CN113425313A - Test head and nerve separation tester thereof - Google Patents

Abstract

The invention discloses a test head and a nerve separation tester thereof. The test head includes a test head-electrode; the test head-electrode has two pairs; each pair of the test head-electrodes has a positive electrode and a negative electrode; each pair of the test head-electrodes has a positive electrode and a negative electrode; A positive electrode and a negative electrode are separated from each other; a positive electrode and a negative electrode in a pair of the test head-electrodes are respectively close to a positive electrode and a negative electrode in the other pair of the test head-electrodes. The nerve dissociation tester includes the test head described above. The invention can test the nerves on both sides of a nerve incision only by plugging and unplugging once, which greatly facilitates the testing operation of the nerves. A variety of test heads can be produced according to the needs of different customers. Facilitates placement in the nerve incision. The electrical conductivity of the electrodes can be ensured. It can greatly improve the test accuracy of the test head. Can greatly improve the stability of the test head.

Description

A test head and its nerve separation tester

technical field

The invention relates to a test component and a test device thereof, in particular to a test head and a nerve separation tester.

Background technique

In the prior art, the test head of the nerve separation tester is a pair of electrodes, the pair of electrodes includes a positive electrode and a negative electrode, and the shapes of the positive electrode and the negative electrode are both "L"-shaped hooks. During the test, first make a nerve incision along the length direction of the nerve bundle, then use a hemostatic forceps and other instruments to pick up a part of the nerve bundle, and then adjust the direction of the two hook electrodes and place them under the nerve bundle. The nerve on one side; then, use a hemostat and other instruments to pick up the other part of the nerve bundle, and then place two hook electrodes under the nerve bundle for stimulation. The position of the stimulator, which brings great inconvenience to the nerve test.

SUMMARY OF THE INVENTION

The first technical problem to be solved by the present invention is to provide a test head, which can test the nerves on both sides of a nerve incision only once by plugging and unplugging, which greatly facilitates the nerve test operation.

The second technical problem to be solved by the present invention is to provide a nerve separation tester. The test head of the nerve separation tester can test the nerves on both sides of a nerve incision only once by plugging and unplugging, which greatly facilitates the detection of nerves. test operation.

As far as the test components are concerned, in order to solve the above-mentioned first technical problem, the technical solution provides a test head, including a test head-electrode,

The test head-electrode has two pairs;

each pair of said test head-electrodes has a positive electrode and a negative electrode;

A positive electrode and a negative electrode in each pair of said test head-electrodes are spaced apart;

A positive electrode and a negative electrode of a pair of the test head-electrodes are respectively adjacent to a positive electrode and a negative electrode of the other pair of the test head-electrodes.

Various improvements as this technical solution are as follows.

one positive electrode of a pair of said test head-electrodes is adjacent to one positive electrode of the other pair of said test head-electrodes;

One negative electrode of a pair of said test head-electrodes is adjacent to one negative electrode of the other pair of said test head-electrodes;

or,

a positive electrode of a pair of said test head-electrodes is adjacent to a negative electrode of the other pair of said test head-electrodes;

One negative electrode of a pair of the test head-electrodes is adjacent to a positive electrode of the other pair of the test head-electrodes.

The shape of the test head-electrode is a strip;

The test head-electrode is made of conductive material;

The conductive material is one of copper material, stainless steel material and silver material;

A positive electrode and a negative electrode in each pair of said test head-electrodes are parallel to each other;

Two pairs of the test head-electrodes are parallel to each other;

One positive electrode sheet face and one negative electrode sheet face in each pair of said test head-electrodes lie in the same plane;

Two pairs of said test head-electrodes have the same name side ends in the same plane;

Viewed from the length direction of the test head-electrode,

Two pairs of the test head-electrodes are distributed in a matrix of two rows and two columns.

Two pairs of the test head-electrodes are fixedly connected through the test head-board body;

The test head-board body is made of insulating material;

The insulating material is one of plastic, silica gel and rubber;

The shape of the test head-board is rectangular;

The length of the upper and lower sides of the test head-board body is greater than the length of the left and right sides of the test head-board body; or,

The length of the upper and lower sides of the test head-board body is less than the length of the left and right sides of the test head-board body; or,

The length of the upper and lower sides of the test head-board body is equal to the length of the left and right sides of the test head-board body;

The edges of the test head-board body are all rounded;

Two pairs of the test head-electrodes are respectively fixed on the two board surfaces of the test head-board body;

The middle part of the upper side surface of the test head-board body extends upward to form a test head-upper connection part;

The shape of the test head-upper connecting part is a cylinder;

The side surface of the test head-upper connecting part is provided with a fixing structure;

The fixing structure is one of a clamp head, a bayonet, a clamp ring, a clamp ring groove and a thread;

The root of the test head-upper connecting part is perpendicular to the board surface of the test head-board body and is provided with a test head-first wiring hole;

The top surface of the test head-upper connecting part is provided with a test head-second wiring hole;

The test head-second wiring hole communicates with the test head-first wiring hole.

The test head-board is a solid board or a hollow board;

In the hollow plate body,

There are two test head-second wiring holes;

The two test heads-second wiring holes are located on both sides of the center of the top surface of the test head-upper connecting part;

The two test heads-second wiring holes are respectively communicated with the test head-first wiring holes;

The center of the top surface of the test head-upper connecting part is provided with a test head-guide hole;

A test head-guide channel is opened in the middle of the lower side of the test head-board body;

The cross-sectional shape of the test head-guide channel is rhombus;

The test head-guide channel is communicated with the test head-guide hole;

In the solid plate body,

The test head-second wiring hole has one;

One of the test head-the second wiring hole is located in the center of the top surface of the test head-upper connecting part;

One of the test head-second wiring hole is communicated with the test head-first wiring hole.

Compared with the prior art, the test head of the present invention has the following beneficial effects.

1. This technical solution uses two pairs of the test head-electrodes; each pair of the test head-electrodes has a positive electrode and a negative electrode; each pair of the test head-electrodes has a positive electrode. The electrode and one negative electrode are separated from each other; the technical means that one positive electrode and one negative electrode in a pair of said test head-electrodes are respectively approached with one positive electrode and one negative electrode in another pair of said test head-electrodes Therefore, the test head can test the nerves on both sides of a nerve incision only by plugging and unplugging it once, which greatly facilitates the test operation of the nerve.

2. In this technical solution, one positive electrode in a pair of the test head-electrodes is used to be close to one positive electrode in the other pair of the test head-electrodes; one of the pair of test head-electrodes The negative electrode is in close proximity to one negative electrode of the other pair of the test head-electrodes; or, the positive electrode of the pair of the test head-electrodes is adjacent to the negative electrode of the other pair of the test head-electrodes Proximity; a technical means that a negative electrode in a pair of the test head-electrodes is close to a positive electrode in the other pair of test heads-electrodes, so a variety of tests can be produced according to the needs of different customers head.

3. This technical solution adopts the technical means that the test head-electrode is in the shape of a strip, so it is beneficial to be placed in the nerve incision.

4. Since the technical solution adopts the technical means that the test head-electrode is made of conductive material, the conductive performance of the electrode can be ensured.

5. Since the technical solution adopts the technical means that the conductive material is one of copper material, stainless steel material and silver material, various test heads can be produced according to the actual situation.

6. In this technical solution, one positive electrode and one negative electrode in each pair of the test head-electrodes are parallel to each other; two pairs of the test head-electrodes are parallel to each other; A positive electrode sheet and a negative electrode sheet are located in the same plane; two pairs of the test head-electrode with the same name side ends are located in the same plane; from the length direction of the test head-electrode, two pairs of the test The head-electrode is distributed in a matrix with two rows and two columns, so the test accuracy of the test head can be greatly improved.

7. Since the technical solution adopts the technical means that two pairs of the test head-electrodes are fixedly connected through the test head-board body, the stability of the test head can be greatly improved.

8. Since the technical solution adopts the technical means that the test head-board body is made of insulating material, the insulation between the electrodes can be ensured.

9. Since the technical solution adopts the technical means that the insulating material is one of plastic, silica gel and rubber, various test heads can be produced according to the actual situation.

10. Because the shape of the test head-board body is rectangular in this technical solution; the length of the upper and lower sides of the test head-board body is greater than the length of the left and right sides of the test head-board body; or, the test head - The length of the upper and lower sides of the board body is less than the length of the left and right sides of the test head-board body; , a variety of test heads can be produced according to the needs of different patients.

11. This technical solution adopts the technical means that the sides of the test head-board body are rounded; two pairs of the test head-electrodes are respectively fixed on the two surfaces of the test head-board body , so, it can prevent the test head from causing excessive damage to the nerve tissue.

12. In this technical solution, the middle part of the upper side of the test head-board body is extended upward to form a test head-upper connection part; the shape of the test head-upper connection part is a cylinder; the test head-upper connection The side of the test head is provided with a fixing structure; the fixing structure is one of a clamp head, a bayonet, a clamp ring, a clamp ring groove and a thread; the root of the test head-upper connecting part is perpendicular to the test head-board The board surface of the body is provided with a test head-first wiring hole; the top surface of the test head-upper connecting part is provided with a test head-second wiring hole; the test head-second wiring hole and the The technical means of connecting the test head to the first wiring hole, therefore, not only facilitates the connection between the test head and the control handle assembly, but also facilitates the electrical connection between the electrode and the test unit.

13. Since the technical solution adopts the technical means that the test head-board body is a solid board body or a hollow board body, various test heads can be produced according to the actual situation.

14. Since this technical solution adopts the hollow board body, there are two test head-second wiring holes; two test heads-second wiring holes are located on the test head-connection. The two test head-second wiring holes are respectively connected with the test head-first wiring hole; the test head-upper connecting part is provided with a test head in the center of the top surface - Guide hole; a test head-guide channel is opened in the middle of the lower side of the test head-board body; the cross-sectional shape of the test head-guide channel is a diamond; the test head-guide channel and the test head- The technical means that the guide holes are connected, so the cutter head can be passed through the test head to cut the nerve bundle back and forth, and the cutter head can also be placed in the guide channel.

15. Since this technical solution adopts the solid board body, there is one test head-second wiring hole; one of the test head-second wiring holes is located on the test head-upper connecting part. The center of the top surface; a technical means that the test head-second wiring hole is connected to the test head-first wiring hole, so the test head can be made thinner, and the test head can be more easily inserted into the nerve incision Inside.

As far as the testing device is concerned, in order to solve the above-mentioned second technical problem, the technical solution provides a nerve separation tester, including a test head,

The test head is the previously described test head.

Various improvements as this technical solution are as follows.

The test head with the solid plate body is connected with the control handle assembly;

The test head with the hollow plate body is connected to the control handle assembly through a notch mechanism.

The incision mechanism comprises incision mechanism-knife, incision mechanism-lower casing, incision mechanism-spring, incision mechanism-toggle member and incision mechanism-retaining ring;

The incision mechanism-knife comprises incision mechanism-knife-head and incision mechanism-knife-bar;

The lower part of the incision mechanism-knife-head is in the shape of a cone;

The upper shape of the incision mechanism-knife-head is a cylinder;

The cross-sectional shape of the incision mechanism-knife-head is rhombus;

One end of the incision mechanism-knife-rod is vertically and fixedly connected to the center of the upper end surface of the incision mechanism-knife-head;

The shape of the incision mechanism-lower casing is cylindrical;

The notch mechanism-lower case has a notch mechanism-lower case-cavity;

The shape of the incision mechanism-lower casing-cavity is a cylindrical cavity;

The upper end of the incision mechanism-lower casing-cavity is open;

The inner wall of the incision mechanism-lower casing is provided with an incision mechanism-lower casing-wire routing slot;

The incision mechanism-lower casing-wire routing slot is provided on the two inner side walls and inner bottom walls opposite to the incision mechanism-lower casing;

The upper part of the outer side wall of the incision mechanism-lower casing is provided with a fixed structure to constitute the incision mechanism-lower casing-upper connecting part;

The fixing structure is one of a clamp head, a bayonet, a clamp ring, a clamp ring groove and a thread;

The incision mechanism - the upper edge of the lower casing is inverted with the incision mechanism - the lower casing - bevel;

The lower end of the notch mechanism-lower casing is provided with a notch mechanism-lower casing-lower connecting part;

The shape of the incision mechanism-lower casing-lower connecting part is a cylinder;

A smooth transition between the incision mechanism-lower casing-lower connecting part and the incision mechanism-lower casing;

The center of the end face of the incision mechanism-lower casing-lower connecting part is provided with a notched mechanism-lower casing-installation hole;

The incision mechanism-lower casing-the inner side of the mounting hole is provided with a fixing structure;

The fixing structure is one of a bayonet, a bayonet, a bayonet groove, a bayonet and a thread;

The center of the bottom surface of the incision mechanism-lower casing-installation hole is provided with an incision mechanism-lower casing-guide hole;

the incision mechanism-lower casing-guide hole communicates with the incision mechanism-lower casing-cavity;

The edge of the end face of the incision mechanism-lower casing-lower connecting part is provided with a incision mechanism-lower casing-cabling hole;

There are two incision mechanism-lower casing-wire routing holes;

The two incision mechanisms-lower casing-wire routing holes are communicated with the incision mechanism-lower casing-wire routing groove;

The side wall of the notch mechanism-lower casing is provided with a notch mechanism-lower casing-guide groove;

The shape of the incision mechanism-lower casing-guide groove is "E"-shaped or "L"-shaped (viewed in the incision mechanism-lower casing-cavity);

The notch mechanism-toggle member includes a notch mechanism-toggle member-shift fork and a notch mechanism-toggle member-handle;

The notch mechanism-toggle piece-shift fork and the notch mechanism-toggle piece-handle form an integral piece;

The shape of the incision mechanism-toggle member-pivot fork is disc-shaped;

The diameter of the notch mechanism-toggle member-fork is larger than the width of the notch mechanism-lower housing-guide groove;

The diameter of the notch mechanism-toggle member-fork is larger than the maximum width of the notch mechanism-lower housing-guide groove;

The thickness of the incision mechanism-toggle member-fork is smaller than the width of the incision mechanism-lower housing-guide groove;

The head of the notch mechanism-toggle piece-shift fork is provided with a notch mechanism-toggle piece-"U"-shaped groove;

The width of the incision mechanism-toggle member-"U"-shaped groove corresponds to the diameter of the incision mechanism-knife-rod;

The tail of the incision mechanism-toggle-handle is a cylinder;

The two ends of the cylinder are respectively poured with a notch mechanism-toggle piece-fillet;

The shape of the notch mechanism-retaining ring is cylindrical;

The center of the end face of the notch mechanism-retaining ring is provided with a notch mechanism-retaining ring-sleeve hole;

The inner diameter of the incision mechanism-retaining ring-sleeve hole corresponds to the diameter of the incision mechanism-knife-rod;

The side of the notch mechanism-retaining ring is provided with a notch mechanism-retaining ring-threaded fixing hole;

The incision mechanism-retaining ring-threaded fixing hole is communicated with the incision mechanism-retaining ring-sleeve hole;

The notch mechanism-retaining ring-threaded fixing hole is configured with a notch mechanism-retaining ring-cap screw;

The length of the capless screw is less than the depth of the notch mechanism-retaining ring-threaded fixing hole;

The other end of the incision mechanism-knife-rod passes through the test head-guide hole and the incision mechanism-lower housing-guide hole in sequence from bottom to top;

The incision mechanism-retaining ring has two;

The incision mechanism-spring and the two incision mechanism-retaining rings are sequentially sleeved on the incision mechanism-knife-rod from top to bottom and go deep into the incision mechanism-lower housing-cavity;

The notch mechanism-toggle member-shift fork is inserted into the notch mechanism-lower housing-guide groove from the outside to the inside and is placed between the two notch mechanisms-retaining rings;

The two incision mechanisms-retaining rings are respectively fixedly connected to the incision mechanism-knife-rod through the incision mechanism-retaining ring-capscrew.

The control handle assembly includes a control handle assembly-rear upper casing and a control handle assembly-front lower casing;

The control handle assembly-rear upper casing and the control handle assembly-front lower casing are fixedly connected by fixing screws;

The control handle assembly - the rear upper shell is a semi-cylindrical shell;

The control handle assembly-rear upper casing is distributed with two control handle assemblies-rear upper casing-half partition along the length direction;

The two control handle assemblies-rear upper casing-half partition divides the control handle assembly-rear upper casing into three parts;

The three parts from top to bottom are the control handle assembly-rear upper casing-charging unit half compartment, control handle assembly-rear upper casing-battery half compartment and control handle assembly-rear upper casing-test unit half compartment ;

The lower part of the control handle assembly-rear upper casing is provided with a control handle assembly-rear upper casing-lower half connecting part;

The shape of the control handle assembly-rear upper casing-lower half connecting part is a semi-cylindrical body;

a smooth transition between the control handle assembly-rear upper casing-lower half connecting part and the control handle assembly-the lower part of the rear upper casing;

The end face of the control handle assembly-rear upper casing-lower half connecting portion is provided with a control handle assembly-rear upper casing-lower half connecting port;

The inner wall of the control handle assembly-rear upper casing-lower half connecting port is provided with a control handle assembly-rear upper casing-fixing structure;

The control handle assembly-rear upper casing-fixing structure is one of a bayonet, a clamping head, a half-snap ring groove, a half-snap ring and a half-cylindrical thread;

The control handle assembly-rear upper casing-the bottom surface of the lower half connection port and the two control handle assemblies-rear upper casing-half partitions are coaxially provided with a control handle assembly-rear upper casing-cabling half hole;

The upper end face of the control handle assembly-rear upper casing is provided with a control handle assembly-rear upper casing-power switch installation port and a control handle assembly-rear upper casing-indicator light installation opening;

The control handle assembly-rear upper casing-power switch installation port is provided with a control handle assembly-power switch;

The control handle assembly-rear upper casing-indicator installation port is provided with a control handle assembly-indicator;

The upper end section of the control handle assembly-rear upper casing is provided with two control handle assemblies-rear upper casing-fixing holes;

The lower end section of the control handle assembly-rear upper casing is provided with two control handle assemblies-rear upper casing-fixing holes;

Two control handle assemblies-rear upper casing-fixing holes are respectively opened on the cross-sections of the two control handle assemblies-rear upper casing-half partition;

The control handle assembly-front upper casing is a semi-cylindrical casing;

The control handle assembly-front upper casing is distributed with two control handle assemblies-front upper casing-half partition along the length direction;

The two control handle assemblies-front upper casing-half partition divides the control handle assembly-front upper casing into three parts;

The three parts from top to bottom are the control handle assembly-front upper casing-charging unit half compartment, control handle assembly-front upper casing-battery half compartment and control handle assembly-front upper casing-test unit half compartment ;

The lower part of the control handle assembly-front upper casing is provided with a control handle assembly-front upper casing-lower half connecting part;

The shape of the control handle assembly-front upper casing-lower half connecting part is a semi-cylindrical body;

a smooth transition between the control handle assembly-front upper casing-lower half connecting part and the control handle assembly-the lower part of the front upper casing;

The control handle assembly-front upper casing-lower half connecting part is provided with a control handle assembly-front upper casing-lower half connecting port on the end face;

The inner wall of the control handle assembly-front upper casing-lower half connecting port is provided with a control handle assembly-front lower casing-fixing structure;

The control handle assembly-front lower casing-fixing structure is one of a bayonet, a clamping head, a half-snap ring groove, a half-snap ring and a half-cylindrical thread;

The control handle assembly-front upper casing-lower half connecting port and the two control handle assemblies-front upper casing-half partitions are coaxially provided with a control handle assembly-front upper casing-cabling half hole;

The lower part of the control handle assembly-front upper casing is provided with a control handle assembly-front lower casing-test switch installation port;

The control handle assembly-front lower casing-test switch installation port is provided with a control handle assembly-test switch;

The control handle assembly-front upper casing is provided with a control handle assembly-front lower casing-display module installation port in the middle;

The control handle assembly-front lower casing-display screen module installation port is installed with a control handle assembly-display screen module;

The upper end face of the control handle assembly-front upper casing is provided with a control handle assembly-front lower casing-USB socket installation port;

The control handle assembly-front lower casing-USB socket installation port is equipped with a control handle assembly-USB socket;

The upper section of the control handle assembly-front upper casing is provided with two control handle assemblies-front upper casing-threaded fixing holes;

The lower end section of the control handle assembly-front upper casing is provided with two control handle assemblies-front upper casing-threaded fixing holes;

Two control handle assemblies-front upper casing-threaded fixing holes are respectively opened on the cross-sections of the two control handle assemblies-front upper casing-half partition;

The control handle assembly-rear upper casing and the control handle assembly-front lower casing are relatively fastened;

The control handle assembly-rear upper casing-charging unit half compartment and the control handle assembly-front lower casing-charging unit half compartment constitute a charging unit compartment;

The charging unit compartment is provided with a control handle assembly-charging unit;

The control handle assembly-rear upper casing-battery half compartment and the control handle assembly-front lower casing-battery half compartment constitute a battery compartment;

The battery compartment is provided with a control handle assembly-battery;

The control handle assembly-rear upper casing-test unit half compartment and the control handle assembly-front lower casing-test unit half compartment constitute a test unit compartment;

The test unit compartment is provided with a control handle assembly-test unit.

The control handle assembly-battery is electrically connected to the input end of the control handle assembly-test unit;

The output end of the control handle assembly-test unit is electrically connected to the input end of the control handle assembly-test switch;

The output end of the control handle assembly-test switch is electrically connected to the test head-electrode;

The control handle assembly-display screen module is electrically connected between the input end of the control handle assembly-test switch and the output end of the control handle assembly-test unit;

A control handle assembly-power switch is connected in series between the positive electrode of the control handle assembly-battery and the control handle assembly-positive electrode of the test unit;

The control handle assembly-indicator light is connected in series between the control handle assembly-power switch and the control handle assembly-positive pole of the battery;

The input end of the control handle assembly-test unit is electrically connected to the output end of the control handle assembly-charging unit;

The positive pole of the control handle assembly-charging unit is electrically connected between the control handle assembly-power switch and the control handle assembly-indicator light;

The input end of the control handle assembly-charging unit is electrically connected to the output end of the control handle assembly-USB socket;

The control handle assembly-indicator light is a light-emitting diode;

The control handle assembly-power switch is a push-button switch;

The control handle assembly-display module is a four-pin display module or a three-pin display module;

The control handle assembly-test switch is a double synchronous double control three-position switch or a double synchronous double control double position switch or a double synchronous single control double position switch;

The double-connection synchronous double-control three-position switch is formed by synchronously connecting the control keys of two double-control three-position switches;

The double-connection synchronous double-control double-position switch is formed by synchronously connecting the control keys of two double-control double-position switches;

The double-linked synchronous single-control double-position switch has four single-control double-position switches;

Four single-control two-position switches are equally divided into two groups;

The control keys of the two single-control double-position switches in each group are connected synchronously;

The control handle assembly-battery is a rechargeable lithium battery.

Compared with the prior art, the nerve separation tester of the present invention has the following beneficial effects.

1. Since this technical solution adopts the nerve separation tester including the test head, the test head is the technical means of the test head described above, so the test head of the nerve separation tester only needs to be plugged and unplugged once to test one. The nerves on both sides in the nerve incision greatly facilitate the test operation of the nerve.

2. Since the technical solution adopts the technical means of connecting the test head with a solid plate body and the control handle assembly, the test head can be made very thin and the test head can be easily inserted into the nerve incision.

3. Since the technical solution adopts the technical means of connecting the test head with the hollow plate body to the control handle assembly through the incision mechanism, the continuous operation of nerve incision and testing can be realized.

4. This technical solution adopts the technical means of the incision mechanism including the incision mechanism-knife, the incision mechanism-lower casing, the incision mechanism-spring, the incision mechanism-toggle member and the incision mechanism-retaining ring, so the structure is simple. .

5. This technical solution adopts the incision mechanism-knife including incision mechanism-knife-head and incision mechanism-knife-rod; the lower part of the incision mechanism-knife-head is in the shape of a cone; the incision mechanism-knife - The upper part of the head is in the shape of a cylinder; the incision mechanism-knife-head has a rhombus-shaped cross-sectional shape, so that the knife head can reciprocate the nerve bundle.

6. This technical solution adopts the technology that one end of the incision mechanism-knife-rod is vertically and fixedly connected to the center of the upper end face of the incision mechanism-knife-head; the shape of the incision mechanism-lower casing is cylindrical Means, therefore, facilitate the installation.

7. This technical solution adopts the incision mechanism-the lower casing has a incision mechanism-lower casing-cavity; the incision mechanism-lower casing-cavity has a cylindrical cavity; the incision mechanism -The upper end of the lower casing-cavity is open; the incision mechanism-the inner wall of the lower casing is provided with an incision mechanism-lower casing-wire routing slot; the incision mechanism-lower casing-wire routing slot is opened in the The two opposite inner side walls and inner bottom wall of the incision mechanism-lower casing; the upper part of the outer sidewall of the incision mechanism-lower casing is provided with a fixed structure to constitute the incision mechanism-lower casing-upper connecting part; the fixing The structure is one of a snap head, a bayonet, a snap ring, a snap ring groove and a thread; the cutout mechanism-the upper edge of the lower shell is inverted with a cutout mechanism-lower shell-bevel; the cutout mechanism-lower The lower end of the casing is provided with a notch mechanism-lower casing-lower connection part; the shape of the notch mechanism-lower casing-lower connection part is a cylinder; the notch mechanism-lower casing-lower connection part and the A smooth transition between the incision mechanism and the lower casing; the center of the end face of the incision mechanism-lower casing-lower connecting part is provided with an incision mechanism-lower casing-installation hole; the incision mechanism-lower casing-installation hole The inner side is provided with a fixing structure; the fixing structure is one of a bayonet, a clamping head, a clamping ring groove, a clamping ring and a thread; the incision mechanism-lower casing-the bottom surface of the mounting hole is provided with an incision mechanism- The lower casing-guide hole; the incision mechanism-lower casing-guide hole communicates with the incision mechanism-lower casing-cavity; the end face edge of the incision mechanism-lower casing-lower connecting part is provided with a notch Mechanism-lower case-wire hole; the incision mechanism-lower case-wire hole has two; two of the incision mechanism-lower case-wire hole and the incision mechanism-lower case- The wiring grooves are connected; the side wall of the incision mechanism-lower case is provided with an incision mechanism-lower case-guide groove; the shape of the incision mechanism-lower case-guide groove is "E" shape or "L" shape ”-shaped technical means, so it is not only conducive to installation, but also to the movement and positioning of the cutter head, and is more conducive to protecting the wire.

8. This technical solution adopts the incision mechanism-toggle member including incision mechanism-toggle member-shift fork and incision mechanism-toggle member-handle; the incision mechanism-toggle member-shift fork is the same as the The incision mechanism-toggle member-handle constitutes an integral piece; the shape of the incision mechanism-toggle member-shift fork is disc-shaped; the diameter of the incision mechanism-toggle member-shift fork is larger than that of the incision mechanism-lower The width of the casing-guide groove; the diameter of the notch mechanism-toggle member-shift fork is larger than the maximum width of the notch mechanism-lower casing-guide groove; the thickness of the notch mechanism-toggle member-shift fork less than the width of the incision mechanism-lower housing-guide groove; the head of the incision mechanism-toggle member-shift fork is provided with an incision mechanism-toggle member-"U"-shaped groove; the incision mechanism-toggle The width of the moving member-"U"-shaped groove corresponds to the diameter of the incision mechanism-knife-rod; the tail of the incision mechanism-toggle member-handle is a cylinder; the two ends of the cylinder are respectively inverted with incisions The technical means of mechanism-toggle member-rounded corners, therefore, not only facilitates the installation of the toggle element, but also helps to prevent the toggle element from coming out, and is more conducive to preventing the toggle element from damaging the fingers of medical staff.

9. The shape of the notch mechanism-retaining ring is cylindrical; the center of the end face of the notch mechanism-retaining ring has a notch mechanism-retaining ring-sleeve hole; the notch mechanism-retaining ring- The inner diameter of the sleeve hole corresponds to the diameter of the incision mechanism-knife-rod; the side of the incision mechanism-retaining ring is provided with an incision mechanism-retaining ring-threaded fixing hole; the incision mechanism-retaining ring-threaded fixing hole and the The incision mechanism-retaining ring-sleeve hole is connected; the incision mechanism-retaining ring-threaded fixing hole is configured with a notching mechanism-retaining ring-cap screw; the length of the capless screw is smaller than that of the incision mechanism-stop Therefore, it is not only conducive to the fixed connection between the retaining ring and the cutter rod, but also helps to prevent the screw from touching the inner wall of the lower casing.

10. In this technical solution, the incision mechanism-knife-rod passes through the test head-guide hole and the incision mechanism-lower housing-guide hole in sequence from bottom to top; the incision mechanism-retaining ring There are two; the incision mechanism-spring and the two incision mechanism-retaining rings are sequentially sleeved on the incision mechanism-knife-rod from top to bottom and go deep into the incision mechanism-lower housing-cavity ; the incision mechanism-toggle member-fork is inserted into the incision mechanism-lower housing-guide groove from the outside to the inside and placed between the two incision mechanisms-retaining rings; the two incision mechanisms-blocking The ring is fixedly connected to the incision mechanism-knife-rod through the technical means of the incision mechanism-retaining ring-capless screw, so the installation is quick and convenient.

11. Since the technical solution adopts the control handle assembly, the control handle assembly includes a control handle assembly-rear upper casing and a control handle assembly-front lower casing; the control handle assembly-rear upper casing and the control handle assembly-front The technical means that the lower casing is fixedly connected by fixing screws, so it is convenient for assembly.

12. This technical solution adopts the control handle assembly-rear upper casing in the form of a semi-cylindrical casing; the control handle assembly-rear upper casing has two control handle assemblies-rear upper casing distributed along the length direction. body-half partition; two control handle assemblies-rear upper casing-half partition divides the control handle assembly-rear upper casing into three parts; the three parts are the control handles from top to bottom Component-rear upper casing-charging unit half compartment, control handle assembly-rear upper casing-battery half compartment and control handle assembly-rear upper casing-test unit half compartment; the control handle assembly-rear upper casing The lower part is provided with a control handle assembly-rear upper casing-lower half connecting part; the shape of the control handle assembly-rear upper casing-lower half connecting part is a semi-cylindrical body; the control handle assembly-rear upper casing- A smooth transition between the lower half connecting part and the lower part of the control handle assembly-rear upper casing; the control handle assembly-rear upper casing-lower half connecting part is provided with a control handle assembly-rear upper casing-lower Half connection port; the inner side wall of the control handle assembly-rear upper casing-lower half connection port is provided with a control handle assembly-rear upper casing-fixing structure; the control handle assembly-rear upper casing-fixing structure is One of a bayonet, a snap head, a half snap ring groove, a half snap ring and a half cylindrical thread; the control handle assembly-rear upper casing-the bottom surface of the lower half connecting port and the two control handle assemblies- A control handle assembly-rear upper casing-cable half hole is coaxially opened on the rear upper casing-half partition; the upper end face of the control handle assembly-rear upper casing is provided with a control handle assembly-rear upper casing -Power switch installation port and control handle assembly-rear upper casing-indicator light installation port; the control handle assembly-rear upper casing-power switch installation port is installed with a control handle assembly-power switch; the control handle assembly- A control handle assembly-indicator light is installed on the rear upper casing-indicator installation port; two control handle assemblies-rear upper casing-fixing holes are provided on the upper end section of the control handle assembly-rear upper casing; The lower end section of the control handle assembly-rear upper casing is provided with two control handle assemblies-rear upper casing-fixing holes; the sections of the two control handle assemblies-rear upper casing-half partition are respectively provided with The technical means of two control handle assemblies-rear upper casing-fixing holes, so it is beneficial to rationally arrange components.

13. In this technical solution, the control handle assembly-front upper casing is a semi-cylindrical casing; two control handle assemblies-front upper casing are distributed along the length direction in the control handle assembly-front upper casing body-half partition; two control handle assemblies-front upper casing-half partition divides the control handle assembly-front upper casing into three parts; the three parts are the control handle from top to bottom Components-front upper casing-charging unit half compartment, control handle assembly-front upper casing-battery half compartment and control handle assembly-front upper casing-test unit half compartment; the control handle assembly-front upper casing The lower part is provided with a control handle assembly-front upper casing-lower half connecting part; the shape of the control handle assembly-front upper casing-lower half connecting part is a semi-cylindrical body; the control handle assembly-front upper casing- A smooth transition between the lower half connecting part and the lower part of the control handle assembly-front upper casing; the control handle assembly-front upper casing-lower half connecting part is provided with a control handle assembly-front upper casing-lower end face Half connection port; the inner side wall of the control handle assembly-front upper casing-lower half connection port is provided with a control handle assembly-front lower casing-fixing structure; the control handle assembly-front lower casing-fixing structure is One of a bayonet, a snap head, a half snap ring groove, a half snap ring and a half cylindrical thread; the control handle assembly - the front upper casing - the bottom surface of the lower half connecting port and the two control handle assemblies - The front upper casing-half partition plate is coaxially provided with a control handle assembly-front upper casing-cable half hole; the lower part of the control handle assembly-front upper casing is provided with a control handle assembly-front lower casing- A test switch installation port; the control handle assembly-front lower casing-test switch installation port is provided with a control handle assembly-test switch; the control handle assembly-front upper casing is provided with a control handle assembly-front lower casing in the middle body-display module installation opening; the control handle assembly-front lower casing-display module installation opening is mounted with a control handle assembly-display module; the upper end face of the control handle assembly-front upper casing is provided with a control Handle assembly-front lower casing-USB socket installation port; the control handle assembly-front lower casing-USB socket installation port is equipped with a control handle assembly-USB socket; the control handle assembly-The upper end section of the front upper casing There are two control handle assemblies-front upper casing-threaded fixing holes; the lower end section of the control handle assembly-front upper casing is provided with two control handle assemblies-front upper casing-threaded fixing holes; two The cross section of each of the control handle assembly-front upper casing-half partition plate is respectively provided with two control handle assemblies-front upper casing-threaded fixing holes, so it is conducive to rational arrangement of components.

14. This technical solution adopts the control handle assembly-rear upper casing and the control handle assembly-front lower casing to be relatively fastened; the control handle assembly-rear upper casing-charging unit half compartment and all The control handle assembly-front lower casing-charging unit half compartment constitutes a charging unit compartment; the charging unit compartment is provided with a control handle assembly-charging unit; the control handle assembly-rear upper casing-battery half compartment and all The control handle assembly-front lower casing-battery half compartment constitutes a battery compartment; the battery compartment is provided with a control handle assembly-battery; the control handle assembly-rear upper casing-test unit half compartment and the control handle The assembly-front lower casing-test unit half-silo constitutes the test unit compartment; the test unit compartment is provided with the technical means of controlling the handle assembly-test unit, so it is also favorable for disassembly.

15. This technical solution uses the control handle assembly-battery to be electrically connected to the input end of the control handle assembly-test unit; the output end of the control handle assembly-test unit is electrically connected to the control handle assembly- The input end of the test switch; the output end of the control handle assembly-test switch is electrically connected to the technical means of the test head-electrode, so, only the test switch can test the nerves on both sides of a nerve incision, The earth facilitates the test operation of the nerve.

16. This technical solution adopts the technical means that the control handle assembly-display module is electrically connected between the input end of the control handle assembly-test switch and the output end of the control handle assembly-test unit, so , you can keep abreast of current and voltage changes.

17. This technical solution adopts the technical means of connecting the control handle assembly-power switch in series between the control handle assembly-positive electrode of the battery and the control handle assembly-the positive electrode of the test unit, so it is beneficial to save electric energy.

18. This technical solution adopts the technical means that the control handle assembly-indicator light is connected in series between the control handle assembly-power switch and the control handle assembly-battery positive pole, so it is possible to know the nerve separation in time. The state the tester is in.

18. In this technical solution, the input end of the control handle assembly-test unit is electrically connected to the output end of the control handle assembly-charging unit; the positive electrode of the control handle assembly-charging unit is electrically connected to the control handle assembly-charging unit. Between the handle assembly-power switch and the control handle assembly-indicator light; the control handle assembly-the input end of the charging unit is electrically connected to the control handle assembly-the technical means of the output end of the USB socket, so the nerve separation test The instrument has both plug and play function and charging function.

19. Since the technical solution adopts the technical means that the control handle assembly - the indicator light is a light-emitting diode, it is beneficial to save electric energy.

20. This technical solution adopts the technical means that the control handle assembly-power switch is a push-button switch, so the volume is small, which is beneficial to occupying less space.

21. Since the technical solution adopts the technical means that the control handle assembly-display module is a four-pin display module or a three-pin display module, a variety of nerve separation testers are produced according to the actual situation.

22. This technical solution adopts the technical means that the control handle assembly-test switch is a double synchronous double control three-position switch or double synchronous double control double position switch or double synchronous single control double position switch, so, according to The different needs of the hospital produce a variety of nerve dissociation testers.

23. This technical solution adopts the technical means of synchronizing the control keys of two dual-control three-position switches by using the double-synchronized double-control three-position switch. Therefore, when the test is not temporarily performed, the control keys are placed in the vacant position. , not only conducive to energy saving, but also easy to use.

24. The technical solution adopts the technical means of synchronizing the control keys of two dual-control dual-position switches by using the double-synchronized double-control double-position switch, so that the structure is simple and the cost is saved.

25. This technical solution has four single-control double-position switches due to the use of the double-synchronized single-control double-position switch; the four single-control double-position switches are evenly divided into two groups; two single-control double-position switches in each group The technical means of synchronous connection of the control keys of the switch, so it is not easy to misuse.

26. Since the technical solution adopts the technical means that the control handle assembly-battery is a rechargeable lithium battery, the trouble of replacing the battery is eliminated.

Description of drawings

The test head and the nerve separation tester of the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic three-dimensional structure diagram of a nerve separation tester according to the present embodiment.

FIG. 2 is a schematic three-dimensional structure diagram of the first test head of the present embodiment.

FIG. 3 is a schematic bottom view of the structure of the first test head according to the present embodiment.

FIG. 4 is a schematic view of the cross-sectional structure along the line A-A in FIG. 3 .

FIG. 5 is a schematic three-dimensional structural diagram of a second test head in this embodiment.

FIG. 6 is a schematic three-dimensional structural diagram of the incision mechanism of the present embodiment.

FIG. 7 is a schematic three-dimensional structure diagram of the incision mechanism-knife according to the present embodiment.

FIG. 8 is a schematic three-dimensional structural diagram of the incision mechanism-lower casing according to the present embodiment.

FIG. 9 is a schematic bottom view of the notch mechanism-lower casing of the present embodiment.

FIG. 10 is a schematic view of the cross-sectional structure along the line B-B in FIG. 9 .

FIG. 11 is a schematic three-dimensional structural diagram of the incision mechanism-toggle member according to the embodiment.

FIG. 12 is a schematic three-dimensional structural diagram of the notch mechanism-retaining ring of the present embodiment.

FIG. 13 is a schematic three-dimensional structural diagram (external) of the control handle assembly of the present embodiment.

FIG. 14 is a schematic three-dimensional structural diagram (inside) of the control handle assembly of the present embodiment.

FIG. 15 is a schematic three-dimensional structural diagram of the control handle assembly-rear upper casing according to the present embodiment.

FIG. 16 is a schematic three-dimensional structural diagram of the control handle assembly-front lower casing according to the present embodiment.

FIG. 17 is a schematic diagram of the first circuit principle of the nerve separation tester according to this embodiment.

FIG. 18 is a schematic diagram of the second circuit principle of the nerve separation tester according to the present embodiment.

Reference numerals are explained below.

1～Test head;

1-1～Test head-electrode;

1-2～Test head-board;

1-3～Test head-upper connection part;

1-4～Test head-guide hole;

1-5～Test head-first wiring hole;

1-6～Test head-second wiring hole;

1-7～Test head-guide channel;

2 - incision mechanism;

2-1 ~ incision mechanism-knife;

2-1-1 ~ incision mechanism-knife-head;

2-1-2 ~ incision mechanism-knife-rod;

2-2~Cut Mechanism-Lower Shell;

2-2-1~Cut mechanism-lower casing-cavity;

2-2-2~Cut mechanism-lower casing-guide groove;

2-2-3～Cut mechanism-lower case-wire trough;

2-2-4~Cut mechanism-lower casing-lower connecting part;

2-2-5～Cut mechanism-lower casing-upper connecting part;

2-2-6～Cut Mechanism-Lower Shell-Bevel;

2-2-7~Cut mechanism-lower casing-installation hole;

2-2-8～Cut mechanism-lower casing-guide hole;

2-2-9～Cut mechanism-lower case-wire hole;

2-3 ~ incision mechanism - spring;

2-4~Incision mechanism - toggle;

2-4-1 ~ incision mechanism - toggle element - fork;

2-4-2 ~ incision mechanism - toggle - handle;

2-4-3～Cut mechanism-toggle piece-"U"-shaped groove;

2-4-4～Cut mechanism-toggle piece-rounded corner;

2-5～Cut mechanism-retaining ring;

2-5-1～Cut mechanism-retaining ring-sleeve hole;

2-5-2～Cut mechanism-retaining ring-threaded fixing hole;

2-5-3～Cut mechanism-retaining ring-cap screw;

3. Control handle assembly;

3-1~Control handle assembly-rear upper casing;

3-1-1～Control handle assembly-rear upper casing-half partition;

3-1-2～Control handle assembly-rear upper shell-charging unit half compartment;

3-1-3～Control handle assembly-rear upper casing-battery half compartment;

3-1-4~Control handle assembly-rear upper shell-test unit half compartment;

3-1-5～Control handle assembly-rear upper casing-lower half connecting part;

3-1-6～Control handle assembly-rear upper shell-lower half connection port;

3-1-7～Control handle assembly-rear upper casing-fixed structure;

3-1-8～Control handle assembly-rear upper shell-half hole for wiring;

3-1-9～Control handle assembly-rear upper casing-power switch installation port;

3-1-10～Control handle assembly-rear upper casing-indicator installation port;

3-1-11～Control handle assembly-rear upper casing-fixing hole;

3-2~Control handle assembly-front lower shell;

3-2-1~Control handle assembly-front lower shell-half partition;

3-2-2~Control handle assembly-front lower casing-charging unit half compartment;

3-2-3～Control handle assembly-front lower case-battery half compartment;

3-2-4～Control handle assembly-front lower shell-test unit half compartment;

3-2-5～Control handle assembly-front lower casing-lower half connecting part;

3-2-6～Control handle assembly-front lower shell-lower half connection port;

3-2-7~Control handle assembly-front lower casing-fixed structure;

3-2-8～Control handle assembly-front lower shell-half hole for wiring;

3-2-9～Control handle assembly-front lower shell-test switch installation port;

3-2-10～Control handle assembly-front lower shell-display installation port;

3-2-11~Control handle assembly-front lower shell-USB socket installation port;

3-2-12～Control handle assembly-front lower shell-threaded fixing hole;

3-3～Control handle assembly - test switch;

3-4～Control handle assembly-display module;

3-5~Control handle assembly-USB socket;

3-6～Control handle assembly-power switch;

3-7~Control handle assembly - indicator light;

3-8～Control handle assembly-battery;

3-9～Control handle assembly-charging unit;

3-10～Control handle assembly-test unit;

3-11~Control handle assembly-electricity adjustment unit;

3-12~Control handle assembly-electricity adjustment knob.

Detailed ways

As shown in Figure 2 to Figure 5,

This embodiment provides a test head, including a test head-electrode 1-1,

The test head-electrode 1-1 has two pairs.

Each pair of the test head-electrodes 1-1 has a positive electrode and a negative electrode.

One positive electrode and one negative electrode of each pair of the test head-electrodes 1-1 are spaced apart.

One positive electrode and one negative electrode in a pair of the test head-electrodes 1-1 are respectively close to one positive electrode and one negative electrode in the other pair of the test head-electrodes 1-1.

Various modifications of the present embodiment are described in detail below.

As shown in Figure 2 to Figure 5,

One positive electrode of a pair of the test head-electrodes 1-1 is adjacent to one positive electrode of the other pair of the test head-electrodes 1-1.

One negative electrode of a pair of the test head-electrodes 1-1 is adjacent to one negative electrode of the other pair of the test head-electrodes 1-1.

Of course, it can also be

One positive electrode of a pair of the test head-electrodes 1-1 is adjacent to a negative electrode of the other pair of the test head-electrodes 1-1.

One negative electrode of a pair of the test head-electrodes 1-1 is adjacent to a positive electrode of the other pair of the test head-electrodes 1-1.

As shown in Figure 2 to Figure 5,

The shape of the test head-electrode 1-1 is a strip.

The test head-electrode 1-1 is made of conductive material.

The conductive material is one of copper material, stainless steel material and silver material.

One positive electrode and one negative electrode in each pair of the test head-electrodes 1-1 are parallel to each other.

The two pairs of the test head-electrodes 1-1 are parallel to each other.

One positive electrode sheet and one negative electrode sheet in each pair of the test head-electrodes 1-1 lie in the same plane.

The ends on the same name side of the two pairs of the test head-electrodes 1-1 are located in the same plane (as can be seen from FIG. 2, the upper ends of the two pairs of the test head-electrodes 1-1 are located in the same plane, The lower ends of the two pairs of the test head-electrodes 1-1 are in the same plane).

Viewed from the length direction of the test head-electrode 1-1,

The two pairs of the test head-electrodes 1-1 are distributed in a matrix with two rows and two columns.

As shown in Figure 2 to Figure 5,

The two pairs of the test head-electrode 1-1 are fixedly connected through the test head-board body 1-2.

The test head-board body 1-2 is made of insulating material.

The insulating material is one of plastic, silica gel and rubber.

The shape of the test head-board body 1-2 is rectangular.

The length of the upper and lower sides of the test head-board body 1-2 is greater than the length of the left and right sides of the test head-board body 1-2. or,

The length of the upper and lower sides of the test head-board body 1-2 is smaller than the length of the left and right sides of the test head-board body 1-2. or,

The length of the upper and lower sides of the test head-board body 1-2 is equal to the length of the left and right sides of the test head-board body 1-2.

The sides of the test head-board body 1-2 are all rounded with rounded corners.

Two pairs of the test head-electrodes 1-1 are respectively fixed on the two board surfaces of the test head-board body 1-2.

The middle part of the upper side surface of the test head-board body 1-2 extends upward to form a test head-upper connecting part 1-3.

The shape of the test head-upper connecting part 1-3 is a cylinder.

The side surface of the test head-upper connecting part 1-3 is provided with a fixing structure.

The fixing structure is one of a snap head, a bayonet, a snap ring, a snap ring groove and a thread.

The root of the test head-upper connecting portion 1-3 is perpendicular to the board surface of the test head-board body 1-2, and a test head-first wiring hole 1-5 is opened.

The top surface of the test head-upper connecting portion 1-3 is provided with a test head-second wiring hole 1-6.

The test head-second wiring hole 1-6 communicates with the test head-first wiring hole 1-5.

The test head-board 1-2 is a solid board or a hollow board.

As shown in Figure 2 to Figure 4,

In the hollow plate body,

There are two test head-second wiring holes 1-6.

The two test head-second wiring holes 1-6 are located on both sides of the center of the top surface of the test head-upper connecting portion 1-3.

The two test head-second wiring holes 1-6 are respectively communicated with the test head-first wiring holes 1-5.

A test head-guide hole 1-4 is provided in the center of the top surface of the test head-upper connecting portion 1-3.

A test head-guide channel 1-7 is opened in the middle of the lower side surface of the test head-board body 1-2.

The cross-sectional shape of the test head-guide channel 1-7 is rhombus.

The test head-guide channel 1-7 communicates with the test head-guide hole 1-4.

As shown in Figure 5,

In the solid plate body,

There is one test head-second wiring hole 1-6.

One of the test head-second wiring holes 1-6 is located in the center of the top surface of the test head-upper connecting part 1-3.

One of the test head-second wiring holes 1-6 communicates with the test head-first wiring hole 1-5.

As shown in Figure 1,

This embodiment provides a nerve separation tester, including a test head 1,

The test head 1 is the aforementioned test head.

Various modifications of the present embodiment are described in detail below.

As shown in Figure 1,

The test head 1 with the hollow plate body is connected with the control handle assembly 3 through the notch mechanism 2 .

The test head 1 with a solid plate body can be directly connected to the control handle assembly 3 .

As shown in Figure 6 to Figure 12,

The incision mechanism 2 includes incision mechanism-knife 2-1, incision mechanism-lower casing 2-2, incision mechanism-spring 2-3, incision mechanism-toggle member 2-4 and incision mechanism-retaining ring 2-5 .

The incision mechanism-knife 2-1 includes an incision mechanism-knife-head 2-1-1 and an incision mechanism-knife-bar 2-1-2.

The lower part of the incision mechanism-knife-head 2-1-1 is in the shape of a cone (ie: a pointed double-edged sheet).

The upper shape of the incision mechanism-knife-head 2-1-1 is a cylinder.

The cross-sectional shape of the incision mechanism-knife-head 2-1-1 is a diamond shape (the maximum thickness of the diamond shape is very thin).

One end of the incision mechanism-knife-rod 2-1-2 is vertically and fixedly connected to the center of the upper end surface of the incision mechanism-knife-head 2-1-1.

The shape of the notch mechanism-lower case 2-2 is cylindrical.

The cutout mechanism-lower case 2-2 has a cutout mechanism-lower case-cavity 2-2-1.

The shape of the incision mechanism-lower casing-cavity 2-2-1 is a cylindrical cavity.

The upper end of the incision mechanism-lower casing-cavity 2-2-1 is open.

The inner wall of the notch mechanism-lower casing 2-2 is provided with a notch mechanism-lower casing-wire groove 2-2-3.

The incision mechanism-lower casing-wire groove 2-2-3 is opened on the two inner side walls and inner bottom walls opposite to the incision mechanism-lower casing 2-2.

The upper part of the outer side wall of the incision mechanism-lower casing 2-2 is provided with a fixed structure to constitute the incision mechanism-lower casing-upper connecting part 2-2-5.

The fixing structure is one of a snap head, a bayonet, a snap ring, a snap ring groove and a thread.

The edge of the upper end of the notch mechanism-lower casing 2-2 is inverted with a notch mechanism-lower casing-bevel 2-2-6.

The lower end of the notch mechanism-lower casing 2-2 is provided with a notch mechanism-lower casing-lower connecting portion 2-2-4.

The shape of the incision mechanism-lower casing-lower connecting part 2-2-4 is a cylinder.

There is a smooth transition between the incision mechanism-lower casing-lower connecting part 2-2-4 and the incision mechanism-lower casing 2-2.

A notch mechanism-lower casing-installation hole 2-2-7 is provided in the center of the end face of the notch mechanism-lower casing-lower connecting portion 2-2-4.

A fixing structure is provided on the inner side of the incision mechanism-lower casing-installation hole 2-2-7.

The fixing structure is one of a bayonet, a bayonet, a bayonet groove, a bayonet and a thread.

The center of the bottom surface of the notch mechanism-lower casing-installation hole 2-2-7 is provided with a notch mechanism-lower casing-guide hole 2-2-8.

The incision mechanism-lower case-guide hole 2-2-8 communicates with the incision mechanism-lower case-cavity 2-2-1.

The edge of the end face of the notch mechanism-lower casing-lower connecting portion 2-2-4 is provided with a notch mechanism-lower casing-cabling hole 2-2-9.

There are two incision mechanisms-lower casing-cabling holes 2-2-9.

The two incision mechanisms-lower casing-wire routing holes 2-2-9 are communicated with the incision mechanism-lower casing-wire routing grooves 2-2-3.

The side wall of the notch mechanism-lower casing 2-2 is provided with a notch mechanism-lower casing-guide groove 2-2-2.

The shape of the incision mechanism-lower case-guide groove 2-2-2 is "E"-shaped or "L"-shaped (as viewed from the incision mechanism-lower case-cavity 2-2-1).

The notch mechanism-toggle member 2-4 includes a notch mechanism-toggle member-shift fork 2-4-1 and a notch mechanism-toggle member-handle 2-4-2.

The incision mechanism-toggle member-shift fork 2-4-1 and the incision mechanism-toggle member-handle 2-4-2 form an integral piece.

The shape of the incision mechanism-toggle member-pivot fork 2-4-1 is disc-shaped.

The diameter of the notch mechanism-toggle member-shift fork 2-4-1 is larger than the width of the notch mechanism-lower casing-guide groove 2-2-2.

The diameter of the notch mechanism-toggle member-shift fork 2-4-1 is larger than the maximum width of the notch mechanism-lower casing-guide groove 2-2-2.

The thickness of the notch mechanism-toggle member-shift fork 2-4-1 is smaller than the width of the notch mechanism-lower casing-guide groove 2-2-2.

The head of the notch mechanism-toggle member-shift fork 2-4-1 is provided with a notch mechanism-toggle member-"U"-shaped groove 2-4-3.

The width of the incision mechanism-toggle member-"U"-shaped groove 2-4-3 corresponds to the diameter of the incision mechanism-knife-rod 2-1-2.

The tail of the notch mechanism-toggle-handle 2-4-2 is a cylinder.

The two ends of the cylinder are respectively provided with a notch mechanism-toggle member-rounded corners 2-4-4.

The shape of the notch mechanism-retaining ring 2-5 is cylindrical.

A notch mechanism-retaining ring-sleeve hole 2-5-1 penetrates through the center of the end face of the notch mechanism-retaining ring 2-5.

The inner diameter of the incision mechanism-retaining ring-sleeve hole 2-5-1 corresponds to the diameter of the incision mechanism-knife-rod 2-1-2.

The side surface of the notch mechanism-retaining ring 2-5 is provided with a notch mechanism-retaining ring-threaded fixing hole 2-5-2.

The notch mechanism-retaining ring-threaded fixing hole 2-5-2 is communicated with the notch mechanism-retaining ring-sleeve hole 2-5-1.

The notch mechanism-retaining ring-threaded fixing hole 2-5-2 is equipped with a notch mechanism-retaining ring-cap screw 2-5-3.

The length of the capless screw 2-5-3 is smaller than the depth of the notch mechanism-retaining ring-threaded fixing hole 2-5-2.

The other end of the incision mechanism-knife-rod 2-1-2 passes through the test head-guide hole 1-4 and the incision mechanism-lower housing-guide hole 2-2-8 sequentially from bottom to top.

There are two notch mechanisms-retaining rings 2-5.

The incision mechanism-spring 2-3 and the two incision mechanisms-retaining rings 2-5 are sequentially sleeved on the incision mechanism-knife-rod 2-1-2 from top to bottom and penetrate deep into the incision mechanism- Lower case - inside cavity 2-2-1.

The notch mechanism-toggle member-shift fork 2-4-1 is inserted into the notch mechanism-lower housing-guide groove 2-2-2 from the outside to the inside and placed in two of the notch mechanisms-retaining ring 2- between 5.

The two incision mechanisms-retaining rings 2-5 are respectively fixedly connected to the incision mechanism-knife-rod 2-1-2 through the notching mechanisms-retaining rings-cap screws 2-5-3.

As shown in Figure 13 to Figure 16,

The control handle assembly 3 includes a control handle assembly-rear upper casing 3-1 and a control handle assembly-front lower casing 3-2.

The control handle assembly-rear upper casing 3-1 and the control handle assembly-front lower casing 3-2 are fixedly connected by fixing screws.

The control handle assembly-rear upper casing 3-1 is a semi-cylindrical casing.

In the control handle assembly-rear upper casing 3-1, two control handle assemblies-rear upper casing-half partition 3-1-1 are distributed along the length direction.

The two control handle assemblies-rear upper casing-half partitions 3-1-1 divide the control handle assembly-rear upper casing 3-1 into three parts.

The three parts are, from top to bottom, the control handle assembly-rear upper casing-charging unit half compartment 3-1-2, the control handle assembly-rear upper casing-battery half compartment 3-1-3 and the control handle assembly - Rear upper housing - Test unit half compartment 3-1-4.

The lower part of the control handle assembly-rear upper casing 3-1 is provided with a control handle assembly-rear upper casing-lower half connecting part 3-1-5.

The shape of the control handle assembly-rear upper casing-lower half connecting part 3-1-5 is a semi-cylindrical body.

There is a smooth transition between the control handle assembly-rear upper casing-lower half connecting portion 3-1-5 and the lower portion of the control handle assembly-rear upper casing 3-1.

The control handle assembly-rear upper casing-lower half connecting portion 3-1-5 is provided with a control handle assembly-rear upper casing-lower half connecting port 3-1-6 on the end surface.

The inner wall of the control handle assembly-rear upper casing-lower half connection port 3-1-6 is provided with a control handle assembly-rear upper casing-fixing structure 3-1-7.

The control handle assembly-rear upper casing-fixing structure 3-1-7 is one of a bayonet, a clamping head, a half snap ring groove, a half snap ring and a half cylindrical thread.

The bottom surface of the control handle assembly-rear upper casing-lower half connection port 3-1-6 and the two control handle assemblies-rear upper casing-half partition 3-1-1 are coaxially opened with control Handle assembly-rear upper casing-cable half hole 3-1-8.

The upper end face of the control handle assembly-rear upper casing 3-1 is provided with a control handle assembly-rear upper casing-power switch installation port 3-1-9 and a control handle assembly-rear upper casing-indicator light installation port 3-1-10.

The control handle assembly-rear upper casing-power switch installation port 3-1-9 is installed with a control handle assembly-power switch 3-6.

The control handle assembly-rear upper casing-indicator light installation port 3-1-10 is installed with a control handle assembly-indicator light 3-7.

The upper end section of the control handle assembly-rear upper casing 3-1 is provided with two control handle assemblies-rear upper casing-fixing holes 3-1-11.

The lower end section of the control handle assembly-rear upper casing 3-1 is provided with two control handle assemblies-rear upper casing-fixing holes 3-1-11.

Two control handle assemblies-rear upper casing-fixing holes 3-1-11 are respectively opened on the cross-sections of the two control handle assemblies-rear upper casing-half partition 3-1-1.

The control handle assembly-front upper casing 3-2 is a semi-cylindrical casing.

In the control handle assembly-front upper casing 3-2, two control handle assemblies-front upper casing-half partition 3-2-1 are distributed along the length direction.

The two control handle assemblies-front upper casing-half partitions 3-2-1 divide the control handle assembly-front upper casing 3-1 into three parts.

The three parts are, from top to bottom, the control handle assembly-front upper casing-charging unit half compartment 3-2-2, the control handle assembly-front upper casing-battery half compartment 3-2-3 and the control handle assembly - Front upper housing - Test unit half compartment 3-2-4.

The lower part of the control handle assembly-front upper casing 3-2 is provided with a control handle assembly-front upper casing-lower half connecting part 3-2-5.

The shape of the control handle assembly-front upper casing-lower half connecting part 3-2-5 is a semi-cylindrical body.

There is a smooth transition between the control handle assembly-front upper casing-lower half connecting portion 3-2-5 and the lower portion of the control handle assembly-front upper casing 3-2.

The end face of the control handle assembly-front upper casing-lower half connecting portion 3-2-5 is provided with a control handle assembly-front upper casing-lower half connecting port 3-2-6.

The inner wall of the control handle assembly-front upper casing-lower half connection port 3-2-6 is provided with a control handle assembly-front lower casing-fixing structure 3-2-7.

The control handle assembly-front lower casing-fixing structure 3-2-7 is one of a bayonet, a clamping head, a half snap ring groove, a half snap ring and a half cylindrical thread.

The bottom surface of the control handle assembly-front upper casing-lower half connecting port 3-2-6 and the two control handle assemblies-front upper casing-half partition 3-2-1 are coaxially opened with control Handle assembly-front upper casing-cable half hole 3-2-8.

The lower part of the control handle assembly-front upper casing 3-2 is provided with a control handle assembly-front lower casing-test switch installation port 3-2-9.

The control handle assembly-front lower casing-test switch installation port 3-2-9 is installed with a control handle assembly-test switch 3-3.

The control handle assembly-front upper casing 3-2 is provided with a control handle assembly-front lower casing-display module installation port 3-2-10 in the middle.

The control handle assembly-front lower casing-display screen module installation port 3-2-10 is installed with a control handle assembly-display screen module 3-4.

The upper end surface of the control handle assembly-front upper casing 3-2 is provided with a control handle assembly-front lower casing-USB socket installation port 3-2-11.

The control handle assembly-front lower casing-USB socket installation port 3-2-11 is installed with a control handle assembly-USB socket 3-5.

The upper section of the control handle assembly-front upper casing 3-2 is provided with two control handle assemblies-front upper casing-threaded fixing holes 3-2-12.

The lower end section of the control handle assembly-front upper casing 3-2 is provided with two control handle assemblies-front upper casing-threaded fixing holes 3-2-12.

Two control handle assemblies-front upper casing-threaded fixing holes 3-2-12 are respectively opened on the cross-sections of the two control handle assemblies-front upper casing-half partition plate 3-2-1.

The control handle assembly-rear upper casing 3-1 and the control handle assembly-front lower casing 3-2 are relatively fastened.

The control handle assembly-rear upper casing-charging unit half compartment 3-1-2 and the control handle assembly-front lower casing-charging unit half compartment 3-2-2 constitute a charging unit compartment.

The charging unit compartment is provided with a control handle assembly-charging unit 3-9.

The control handle assembly-rear upper casing-battery half compartment 3-1-3 and the control handle assembly-front lower casing-battery half compartment 3-2-3 constitute a battery compartment.

The battery compartment is provided with a control handle assembly-battery 3-8.

The control handle assembly-rear upper casing-test unit half compartment 3-1-4 and the control handle assembly-front lower casing-test unit half compartment 3-2-4 constitute a test unit compartment.

The test unit compartment is provided with a control handle assembly-test unit 3-10.

As shown in Figure 17 to Figure 18,

The control handle assembly-battery 3-8 is electrically connected to the input end of the control handle assembly-test unit 3-10.

The output end of the control handle assembly-test unit 3-10 is electrically connected to the input end of the control handle assembly-test switch 3-3.

The control input end of the control handle assembly-test unit 3-10 is electrically connected to the control output end of the control handle assembly-electricity adjustment unit 3-11.

The control handle assembly-electricity adjustment unit 3-11 control handle assembly-electricity adjustment knob 3-12 is installed on the control handle assembly-front upper casing 3-2 or the control handle assembly-rear upper casing 3 -1 on (not pictured).

The output end of the control handle assembly-test switch 3-3 is electrically connected to the test head-electrode 1-1.

The control handle assembly-display screen module 3-4 is electrically connected between the input end of the control handle assembly-test switch 3-3 and the output end of the control handle assembly-test unit 3-10.

A control handle assembly-power switch 3-6 is connected in series between the positive electrode of the control handle assembly-battery 3-8 and the positive electrode of the control handle assembly-test unit 3-10.

The control handle assembly-indicator light 3-7 is connected in series between the control handle assembly-power switch 3-6 and the positive electrode of the control handle assembly-battery 3-8.

The input end of the control handle assembly-testing unit 3-10 is electrically connected to the output end of the control handle assembly-charging unit 3-9.

The positive pole of the control handle assembly-charging unit 3-9 is electrically connected between the control handle assembly-power switch 3-6 and the control handle assembly-indicator light 3-7.

The input end of the control handle assembly-charging unit 3-9 is electrically connected to the output end of the control handle assembly-USB socket 3-5.

The control handle assembly - indicator lights 3-7 are light emitting diodes.

The control handle assembly-power switch 3-6 is a push-button switch.

The control handle assembly-display module 3-4 is a four-pin display module or a three-pin display module.

The control handle assembly-test switch 3-3 is a double-synchronized double-control three-position switch (see FIG. 17 ).

Of course, it can also be that the control handle assembly-test switch 3-3 is a double-synchronized double-control double-position switch.

Alternatively, the control handle assembly-test switch 3-3 is a double-synchronized single-control double-position switch.

The double-connected synchronous double-control three-position switch is formed by synchronously connecting the control keys of two double-control three-position switches (see FIG. 17 ).

The double-connection synchronous double-control double-position switch is formed by synchronously connecting the control keys of two double-control double-position switches.

The double synchronous single-control double-position switch has four single-control double-position switches.

The four single-control two-position switches are equally divided into two groups.

The control keys of the two single-control two-position switches in each group are connected synchronously (see Figure 18).

The control handle assembly-battery 3-8 is a rechargeable lithium battery.

Claims (10)

1. A test head, comprising a test head-electrode (1-1), characterized in that: The test head-electrode (1-1) has two pairs; each pair of said test head-electrodes (1-1) has a positive electrode and a negative electrode; One positive electrode and one negative electrode in each pair of said test head-electrodes (1-1) are spaced apart; One positive electrode and one negative electrode in a pair of said test head-electrodes (1-1) are respectively close to one positive electrode and one negative electrode in the other pair of said test head-electrodes (1-1). 2. test head according to claim 1, is characterized in that: One positive electrode in a pair of said test head-electrodes (1-1) is close to one positive electrode in the other pair of said test head-electrodes (1-1); One negative electrode of a pair of said test head-electrodes (1-1) is close to one negative electrode of the other pair of said test head-electrodes (1-1); or, A positive electrode of a pair of said test head-electrodes (1-1) is close to a negative electrode of the other pair of said test head-electrodes (1-1); A negative electrode of a pair of said test head-electrodes (1-1) is adjacent to a positive electrode of the other pair of said test head-electrodes (1-1). 3. test head according to claim 1, is characterized in that: The shape of the test head-electrode (1-1) is a strip; The test head-electrode (1-1) is made of conductive material; The conductive material is one of copper material, stainless steel material and silver material; One positive electrode and one negative electrode in each pair of said test head-electrodes (1-1) are parallel to each other; Two pairs of the test head-electrodes (1-1) are parallel to each other; One positive electrode sheet and one negative electrode sheet in each pair of the test head-electrodes (1-1) are located in the same plane; Two pairs of the test head-electrodes (1-1) have the same name side ends located in the same plane; Viewed from the length direction of the test head-electrode (1-1), The two pairs of the test head-electrodes (1-1) are distributed in a matrix with two rows and two columns. 4. The test head according to claim 3, wherein: Two pairs of the test head-electrodes (1-1) are fixedly connected through the test head-board body (1-2); The test head-board body (1-2) is made of insulating material; The insulating material is one of plastic, silica gel and rubber; The shape of the test head-board body (1-2) is rectangular; The length of the upper and lower sides of the test head-board body (1-2) is greater than the length of the left and right sides of the test head-board body (1-2); or, The length of the upper and lower sides of the test head-board body (1-2) is smaller than the length of the left and right sides of the test head-board body (1-2); or, The length of the upper and lower sides of the test head-board body (1-2) is equal to the length of the left and right sides of the test head-board body (1-2); The edges of the test head-board body (1-2) are all rounded with rounded corners; Two pairs of the test head-electrodes (1-1) are respectively fixed on the two board surfaces of the test head-board body (1-2); The middle part of the upper side surface of the test head-board body (1-2) extends upward to form a test head-upper connecting part (1-3); The shape of the test head-upper connecting part (1-3) is a cylinder; The side surface of the test head-upper connecting part (1-3) is provided with a fixing structure; The fixing structure is one of a clamp head, a bayonet, a clamp ring, a clamp ring groove and a thread; The root of the test head-upper connecting part (1-3) is perpendicular to the board surface of the test head-board body (1-2) and is provided with a test head-first wiring hole (1-5); The top surface of the test head-upper connecting part (1-3) is provided with a test head-second wiring hole (1-6); The test head-second wiring hole (1-6) communicates with the test head-first wiring hole (1-5). 5. The test head according to claim 4, wherein: The test head-board (1-2) is a solid board or a hollow board; In the hollow plate body, There are two test head-second wiring holes (1-6); The two test heads-second wiring holes (1-6) are located on both sides of the center of the top surface of the test head-upper connecting portion (1-3); The two test heads-second wiring holes (1-6) are respectively communicated with the test head-first wiring holes (1-5); The center of the top surface of the test head-upper connecting part (1-3) is provided with a test head-guide hole (1-4); A test head-guide channel (1-7) is provided in the middle of the lower side surface of the test head-board body (1-2); The cross-sectional shape of the test head-guide channel (1-7) is rhombus; The test head-guide channel (1-7) communicates with the test head-guide hole (1-4); In the solid plate body, There is one test head-second wiring hole (1-6); One of the test head-second wiring holes (1-6) is located in the center of the top surface of the test head-upper connecting part (1-3); One of the test head-second wiring holes (1-6) communicates with the test head-first wiring hole (1-5). 6. A nerve separation tester, comprising a test head (1), characterized in that: The test head (1) is the test head of claim 5. 7. Nerve separation tester according to claim 6, is characterized in that: The test head (1) with a solid plate body is connected with the control handle assembly (3); The test head (1) with the hollow plate body is connected with the control handle assembly (3) through the notch mechanism (2). 8. nerve separation tester according to claim 7, is characterized in that: The incision mechanism (2) includes an incision mechanism-knife (2-1), an incision mechanism-lower casing (2-2), an incision mechanism-spring (2-3), and an incision mechanism-toggle member (2-4) ) and cutout mechanism - retaining ring (2-5); The incision mechanism-knife (2-1) comprises an incision mechanism-knife-head (2-1-1) and an incision mechanism-knife-rod (2-1-2); The lower part of the incision mechanism-knife-head (2-1-1) is in the shape of a cone; The upper shape of the incision mechanism-knife-head (2-1-1) is a cylinder; The cross-sectional shape of the incision mechanism-knife-head (2-1-1) is rhombus; One end of the incision mechanism-knife-rod (2-1-2) is vertically and fixedly connected to the center of the upper end surface of the incision mechanism-knife-head (2-1-1); The shape of the incision mechanism-lower casing (2-2) is cylindrical; The incision mechanism-lower casing (2-2) has an incision mechanism-lower casing-cavity (2-2-1); The shape of the incision mechanism-lower casing-cavity (2-2-1) is a cylindrical cavity; The upper end of the incision mechanism-lower casing-cavity (2-2-1) is open; The inner wall of the incision mechanism-lower casing (2-2) is provided with an incision mechanism-lower casing-wire routing slot (2-2-3); The incision mechanism-lower casing-wire routing slot (2-2-3) is provided on two opposite inner side walls and inner bottom walls of the incision mechanism-lower casing (2-2); The upper part of the outer side wall of the incision mechanism-lower casing (2-2) is provided with a fixed structure to constitute the incision mechanism-lower casing-upper connecting part (2-2-5); The fixing structure is one of a clamp head, a bayonet, a clamp ring, a clamp ring groove and a thread; The upper edge of the incision mechanism-lower casing (2-2) is inverted with an incision mechanism-lower casing-bevel (2-2-6); The lower end of the incision mechanism-lower casing (2-2) is provided with an incision mechanism-lower casing-lower connecting part (2-2-4); The shape of the incision mechanism-lower casing-lower connecting part (2-2-4) is a cylinder; A smooth transition between the incision mechanism-lower casing-lower connecting portion (2-2-4) and the incision mechanism-lower casing (2-2); A notch mechanism-lower casing-installation hole (2-2-7) is provided in the center of the end face of the incision mechanism-lower casing-lower connecting part (2-2-4); A fixing structure is provided on the inner side of the incision mechanism-lower casing-installation hole (2-2-7); The fixing structure is one of a bayonet, a bayonet, a bayonet groove, a bayonet and a thread; The center of the bottom surface of the incision mechanism-lower casing-installation hole (2-2-7) is provided with an incision mechanism-lower casing-guide hole (2-2-8); The incision mechanism-lower casing-guide hole (2-2-8) communicates with the incision mechanism-lower casing-cavity (2-2-1); The edge of the end face of the incision mechanism-lower casing-lower connecting part (2-2-4) is provided with a notched mechanism-lower casing-cabling hole (2-2-9); There are two incision mechanisms-lower casing-cabling holes (2-2-9); The two incision mechanisms-lower casing-wire routing holes (2-2-9) are communicated with the incision mechanism-lower casing-wire routing grooves (2-2-3); The side wall of the incision mechanism-lower casing (2-2) is provided with an incision mechanism-lower casing-guide groove (2-2-2); The shape of the incision mechanism-lower housing-guide groove (2-2-2) is an "E" shape or an "L" shape; The notch mechanism-toggle member (2-4) includes a notch mechanism-toggle member-shift fork (2-4-1) and a notch mechanism-toggle member-handle (2-4-2); The incision mechanism-toggle member-shift fork (2-4-1) and the incision mechanism-toggle member-handle (2-4-2) form an integral piece; The shape of the incision mechanism-toggle member-pivot fork (2-4-1) is disc-shaped; The diameter of the notch mechanism-toggle member-shift fork (2-4-1) is larger than the width of the notch mechanism-lower housing-guide groove (2-2-2); The diameter of the notch mechanism-toggle member-shift fork (2-4-1) is greater than the maximum width of the notch mechanism-lower housing-guide groove (2-2-2); The thickness of the incision mechanism-toggle member-fork (2-4-1) is smaller than the width of the incision mechanism-lower housing-guide groove (2-2-2); The head of the incision mechanism-toggle member-shift fork (2-4-1) is provided with an incision mechanism-toggle member-"U"-shaped groove (2-4-3); The width of the incision mechanism-toggle member-"U"-shaped groove (2-4-3) corresponds to the diameter of the incision mechanism-knife-rod (2-1-2); The tail of the incision mechanism-toggle-handle (2-4-2) is a cylinder; Both ends of the cylinder are respectively provided with a notch mechanism-toggle member-round corners (2-4-4); The shape of the notch mechanism-retaining ring (2-5) is cylindrical; The center of the end face of the notch mechanism-retaining ring (2-5) is provided with a notch mechanism-retaining ring-sleeve hole (2-5-1); The inner diameter of the incision mechanism-retaining ring-sleeve (2-5-1) corresponds to the diameter of the incision mechanism-knife-rod (2-1-2); The side surface of the notch mechanism-retaining ring (2-5) is provided with a notch mechanism-retaining ring-threaded fixing hole (2-5-2); The incision mechanism-retaining ring-threaded fixing hole (2-5-2) is communicated with the incision mechanism-retaining ring-sleeve hole (2-5-1); The incision mechanism-retaining ring-threaded fixing hole (2-5-2) is provided with an incision mechanism-retaining ring-cap screw (2-5-3); The length of the capless screw (2-5-3) is less than the depth of the notch mechanism-retaining ring-threaded fixing hole (2-5-2); The other end of the incision mechanism-knife-rod (2-1-2) passes through the test head-guide hole (1-4) and the incision mechanism-lower housing-guide hole (2-2) in sequence from bottom to top -8); There are two incision mechanisms-retaining rings (2-5); The incision mechanism-spring (2-3) and the two incision mechanism-retaining rings (2-5) are sequentially sleeved on the incision mechanism-knife-rod (2-1-2) from top to bottom, and Go deep into the incision mechanism-lower housing-cavity (2-2-1); The notch mechanism-toggle member-fork (2-4-1) is inserted into the notch mechanism-lower housing-guide groove (2-2-2) from the outside to the inside and placed in two of the notch mechanisms- Between retaining rings (2-5); The two incision mechanisms-retaining rings (2-5) respectively pass through the incision mechanism-retaining rings-capscrew (2-5-3) and the incision mechanism-knife-rod (2-1-2) Fixed connection. 9. nerve separation tester according to claim 8, is characterized in that: The control handle assembly (3) comprises a control handle assembly-rear upper casing (3-1) and a control handle assembly-front lower casing (3-2); The control handle assembly-rear upper casing (3-1) and the control handle assembly-front lower casing (3-2) are fixedly connected by fixing screws; The control handle assembly-rear upper casing (3-1) is a semi-cylindrical casing; In the control handle assembly-rear upper casing (3-1), two control handle assemblies-rear upper casing-half partition (3-1-1) are distributed along the length direction; The two control handle assemblies-rear upper casing-half partition (3-1-1) divide the control handle assembly-rear upper casing (3-1) into three parts; The three parts are, from top to bottom, the control handle assembly-rear upper casing-charging unit half compartment (3-1-2), the control handle assembly-rear upper casing-battery half compartment (3-1-3) And control handle assembly-rear upper casing-test unit half compartment (3-1-4); The lower part of the control handle assembly-rear upper casing (3-1) is provided with a control handle assembly-rear upper casing-lower half connecting part (3-1-5); The shape of the control handle assembly-rear upper casing-lower half connecting part (3-1-5) is a semi-cylindrical body; A smooth transition between the control handle assembly-rear upper casing-lower half connecting portion (3-1-5) and the lower portion of the control handle assembly-rear upper casing (3-1); The control handle assembly-rear upper casing-lower half connecting portion (3-1-5) is provided with a control handle assembly-rear upper casing-lower half connecting port (3-1-6) on the end surface; The inner wall of the control handle assembly-rear upper casing-lower half connection port (3-1-6) is provided with a control handle assembly-rear upper casing-fixing structure (3-1-7); The control handle assembly-rear upper casing-fixing structure (3-1-7) is one of a bayonet, a chuck, a half snap ring groove, a half snap ring and a half cylindrical thread; The bottom surface of the control handle assembly-rear upper casing-lower half connecting port (3-1-6) and the two control handle assemblies-rear upper casing-half partition (3-1-1) are coaxial The ground is provided with a control handle assembly-rear upper casing-cabling half-hole (3-1-8); The upper end surface of the control handle assembly-rear upper casing (3-1) is provided with a control handle assembly-rear upper casing-power switch installation port (3-1-9) and a control handle assembly-rear upper casing- Indicator light installation port (3-1-10); The control handle assembly-rear upper casing-power switch installation port (3-1-9) is installed with a control handle assembly-power switch (3-6); The control handle assembly-rear upper casing-indicator light installation port (3-1-10) is installed with a control handle assembly-indicator light (3-7); The upper end section of the control handle assembly-rear upper casing (3-1) is provided with two control handle assemblies-rear upper casing-fixing holes (3-1-11); The lower end section of the control handle assembly-rear upper casing (3-1) is provided with two control handle assemblies-rear upper casing-fixing holes (3-1-11); Two control handle assemblies-rear upper casing-fixing holes (3-1-11) are respectively opened on the cross-sections of the two control handle assemblies-rear upper casing-half partition (3-1-1); The control handle assembly-front upper casing (3-2) is a semi-cylindrical casing; In the control handle assembly-front upper casing (3-2), two control handle assemblies-front upper casing-half partition (3-2-1) are distributed along the length direction; The two control handle assemblies-front upper casing-half partitions (3-2-1) divide the control handle assembly-front upper casing (3-1) into three parts; The three parts are, from top to bottom, the control handle assembly-front upper casing-charging unit half compartment (3-2-2), the control handle assembly-front upper casing-battery half compartment (3-2-3) and control handle assembly-front upper casing-test unit half compartment (3-2-4); The lower part of the control handle assembly-front upper casing (3-2) is provided with a control handle assembly-front upper casing-lower half connecting part (3-2-5); The shape of the control handle assembly-front upper casing-lower half connecting part (3-2-5) is a semi-cylindrical body; A smooth transition between the control handle assembly-front upper casing-lower half connecting portion (3-2-5) and the lower portion of the control handle assembly-front upper casing (3-2); The end face of the control handle assembly-front upper casing-lower half connecting portion (3-2-5) is provided with a control handle assembly-front upper casing-lower half connecting port (3-2-6); The inner wall of the control handle assembly-front upper casing-lower half connecting port (3-2-6) is provided with a control handle assembly-front lower casing-fixing structure (3-2-7); The control handle assembly-front lower casing-fixing structure (3-2-7) is one of a bayonet, a clamping head, a half snap ring groove, a half snap ring and a half cylindrical thread; The bottom surface of the control handle assembly-front upper casing-lower half connecting port (3-2-6) and the two control handle assemblies-front upper casing-half partition (3-2-1) are coaxial The ground is provided with a control handle assembly-front upper casing-cable half hole (3-2-8); The lower part of the control handle assembly-front upper casing (3-2) is provided with a control handle assembly-front lower casing-test switch installation port (3-2-9); The control handle assembly-front lower casing-test switch installation port (3-2-9) is installed with a control handle assembly-test switch (3-3); The control handle assembly-front upper casing (3-2) is provided with a control handle assembly-front lower casing-display module installation port (3-2-10) in the middle; The control handle assembly-front lower casing-display screen module installation port (3-2-10) is installed with a control handle assembly-display screen module (3-4); The upper end surface of the control handle assembly-front upper casing (3-2) is provided with a control handle assembly-front lower casing-USB socket installation port (3-2-11); The control handle assembly-front lower casing-USB socket installation port (3-2-11) is installed with a control handle assembly-USB socket (3-5); The upper section of the control handle assembly-front upper casing (3-2) is provided with two control handle assemblies-front upper casing-threaded fixing holes (3-2-12); The lower end section of the control handle assembly-front upper casing (3-2) is provided with two control handle assemblies-front upper casing-threaded fixing holes (3-2-12); Two control handle assemblies-front upper casing-threaded fixing holes (3-2-12) are respectively opened on the cross-sections of the two control handle assemblies-front upper casing-half partition (3-2-1) ; The control handle assembly-rear upper casing (3-1) and the control handle assembly-front lower casing (3-2) are relatively fastened; The control handle assembly-rear upper casing-charging unit half compartment (3-1-2) and the control handle assembly-front lower casing-charging unit half compartment (3-2-2) constitute a charging unit compartment; A control handle assembly-charging unit (3-9) is arranged in the charging unit compartment; The control handle assembly-rear upper casing-battery half compartment (3-1-3) and the control handle assembly-front lower casing-battery half compartment (3-2-3) constitute a battery compartment; The battery compartment is provided with a control handle assembly-battery (3-8); The control handle assembly-rear upper casing-test unit half compartment (3-1-4) and the control handle assembly-front lower casing-test unit half compartment (3-2-4) constitute a test unit compartment; The test unit compartment is provided with a control handle assembly-test unit (3-10). 10. The nerve separation tester according to claim 9, wherein: The control handle assembly-battery (3-8) is electrically connected to the input end of the control handle assembly-test unit (3-10); The output end of the control handle assembly-test unit (3-10) is electrically connected to the input end of the control handle assembly-test switch (3-3); The output end of the control handle assembly-test switch (3-3) is electrically connected to the test head-electrode (1-1); The control handle assembly-display screen module (3-4) is electrically connected to the input end of the control handle assembly-test switch (3-3) and the output end of the control handle assembly-test unit (3-10) between; A control handle assembly-power switch (3-6) is connected in series between the positive electrode of the control handle assembly-battery (3-8) and the positive electrode of the control handle assembly-test unit (3-10); The control handle assembly-indicator light (3-7) is connected in series between the control handle assembly-power switch (3-6) and the positive electrode of the control handle assembly-battery (3-8); The input end of the control handle assembly-test unit (3-10) is electrically connected to the output end of the control handle assembly-charging unit (3-9); The positive pole of the control handle assembly-charging unit (3-9) is electrically connected between the control handle assembly-power switch (3-6) and the control handle assembly-indicator light (3-7); The input end of the control handle assembly-charging unit (3-9) is electrically connected to the output end of the control handle assembly-USB socket (3-5); The control handle assembly-indicator light (3-7) is a light-emitting diode; The control handle assembly-power switch (3-6) is a push-button switch; The control handle assembly-display module (3-4) is a four-pin display module or a three-pin display module; The control handle assembly-test switch (3-3) is a double synchronous double-control three-position switch or a double synchronous double-control double-position switch or a double synchronous single-control double-position switch; The double-connection synchronous double-control three-position switch is formed by synchronously connecting the control keys of two double-control three-position switches; The double-connection synchronous double-control double-position switch is formed by synchronously connecting the control keys of two double-control double-position switches; The double-linked synchronous single-control double-position switch has four single-control double-position switches; Four single-control two-position switches are equally divided into two groups; The control keys of the two single-control double-position switches in each group are connected synchronously; The control handle assembly-battery (3-8) is a rechargeable lithium battery.

Images