CN109157261B - A medical orthopedic punching machine - Google Patents

Abstract

The invention discloses a medical orthopedic punching machine, comprising a punching machine casing, a bottom end of the punching machine casing is provided with a drill hole, and an inner cavity of the punching machine casing is movably installed with one end located inside the punching machine handle The propulsion mechanism is fixedly installed with a power mechanism, the handle of the puncher is fixedly installed on the side of the casing of the puncher away from the end of the drilling port, and the bottom of the inner cavity of the casing of the puncher is fixedly installed with a replacement mechanism. A clamping mechanism is fixedly installed on the upper surface. The moving direction and position of the propulsion ring can be better restricted by the meshing action by setting the chute that matches the teeth, so that the moving direction and position of the propulsion ring can be more accurate. When the servo motor is used to drive the screw to rotate, the interlocking action is made. The rod drives the propulsion ring to move, controls the movement of the propulsion ring to better grasp the distance between the propulsion ring and the bottom end of the punching machine shell, and facilitates the grasp of the fixed relationship between the power mechanism and the clamping block 2, which not only moves stably, but also is easy to operate.

Description

A medical orthopedic punching machine

technical field

The invention relates to the technical field of medical devices, in particular to a medical orthopedic punching machine.

Background technique

Medical devices refer to instruments, equipment, appliances, in vitro diagnostic reagents and calibrators, materials, and other similar or related items that are directly or indirectly used in the human body, including required computer software; Obtained by pharmacological, immunological or metabolic means, or although these means are involved but only play an auxiliary role; its purpose is the diagnosis, prevention, monitoring, treatment or alleviation of disease; the diagnosis, monitoring, treatment, alleviation or function of injury Compensation; examination, replacement, regulation or support of physiological structures or processes; life support or maintenance; pregnancy control; providing information for medical or diagnostic purposes by examining samples from the human body.

At present, the development of medical devices in our country is rapid, and there are many kinds of medical devices. The medical orthopedic punching machine can better provide patients with good treatment, but the current medical orthopedic punching machine can only provide a single punch when in use. The hole diameter, adaptability and pertinence are poor, which is not conducive to the treatment of patients; and the bone powder generated by the punching is not treated, which easily affects the accuracy of the punching and the quality of the treatment, and is less practical.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a medical orthopedic puncher, so as to solve the problem that the medical orthopedic punching machine in the above-mentioned background technology can only provide a single punching diameter when in use, and the adaptability and pertinence are poor, which is not conducive to The treatment of the patient; and the bone powder produced by the punching is not treated, which easily affects the accuracy of the punching and the quality of the treatment, and the practicability is poor.

In order to achieve the above purpose, the present invention provides the following technical solutions: a medical orthopaedic puncher, comprising a puncher casing, the bottom end of the puncher casing is provided with a drill hole, and an inner cavity of the puncher casing is provided. A propulsion mechanism with one end located inside the handle of the punching machine is movably installed, and a power mechanism is fixedly installed on the propulsion mechanism. A replacement mechanism is fixedly installed at the bottom of the inner cavity, a clamping mechanism is fixedly installed on the upper surface of the replacement mechanism, and a drill bit mechanism whose top end matches the power mechanism is movably connected to the clamping mechanism.

Preferably, the propulsion mechanism includes a chute, a movable tooth holder engaged with the teeth is movably installed inside the chute, an annular propulsion ring is fixedly installed on the side of the movable tooth holder, and the inner wall of the propulsion ring is connected by connecting The moving rod is sleeved with a screw rod, and one end of the screw rod is fixedly connected with a servo motor 1 located in a fixing groove 1. The fixing groove 1 is opened on the handle of the punching machine, and the propulsion ring is provided with a fixing groove 2.

Preferably, the power mechanism includes a second servo motor, a card seat is fixedly installed on the rotating shaft of the second servo motor, a cross card slot is opened at the bottom end of the card seat, and the inner wall of the cross card groove is fixedly installed with a card block 1, The inside of the card seat is fixedly installed with an air pump whose air outlet is located at the center of the cross card slot.

Preferably, the replacement mechanism includes a lower chainring, an upper chainring is engaged with the upper side of the lower chainring, and the upper chainring and the side surface of the lower chainring are clamped by a slider, and the shaft center of the upper chainring is There is a servo motor 3 which is fixedly installed inside the casing of the punching machine through the fixing frame.

Preferably, the clamping mechanism includes a support, a clamping frame is fixedly installed on the side of the support, the middle part of the outer side of the clamping frame is fixedly connected to the take-up reel through a steel wire, and the axis of the take-up reel is fixed Installed on the four output shafts of the servo motor located on the side of the support.

Preferably, the drill bit mechanism includes a drill bit, the side of the top of the drill bit is symmetrically and fixedly installed with two clamping blocks in a cross shape, a pressure sensor is fixedly installed on the top end of the drill bit, and the bottom end of the drill bit is provided with a chip suction hole for suction The outlet of the chip hole is communicated with the inlet of the chip storage chamber inside the drill bit through the chip guide pipe. A check valve is fixedly installed at the connection between the chip guide pipe and the chip storage chamber, and a partition screen is fixed inside the chip storage chamber. The outlet of the chip cavity corresponds to the air outlet of the air pump through the axial center of the top of the drill bit.

Preferably, the number of the drill bit mechanisms is two, and the lengths of the top ends of the two drill bit mechanisms are matched with the lengths of the bottom ends of the power mechanisms, and an air guide groove is opened at the top end of the drill bit mechanisms.

Preferably, a through hole with an internal thread is provided at the connection between the linkage rod and the screw rod, and four movable tooth seats are fixedly installed on the outer side of the linkage rod at equal distances.

The present invention provides a medical orthopedic puncher to solve the problems raised in the above background art,

1. The propulsion mechanism of the present invention can better restrict the moving direction and position of the propulsion ring through the meshing effect by setting the chute that matches the teeth, so that the moving direction and position of the propulsion ring are more accurate. Drive the screw to rotate and then make the linkage rod drive the propulsion ring to move, which can control the movement of the propulsion ring to better grasp the distance from the bottom end of the punching machine shell, which is convenient to grasp the fixed relationship between the power mechanism and the clamping block 2, not only the movement is stable , and the operation is simple and the use effect is better.

2. The power mechanism of the present invention can drive the rotation of the drill bit for drilling through the second servo motor, and at the same time cooperate with the air pump to generate negative pressure to provide a power source for the collection of bone powder, which is convenient to use, and can be fixed better and more stably with the cross slot. Hold the second block to prevent the drill bit from drifting during work, ensure the quality of punching, and improve the quality of treatment.

3. The replacement mechanism of the present invention drives the upper toothed plate to rotate through the servo motor and then drives the clamping mechanism to rotate. Different drill bits can be replaced according to the patient's condition to ensure that various drilling diameters can be provided during use. It is highly targeted and beneficial to the treatment of patients.

4. The clamping mechanism and the drill bit mechanism of the present invention sense the pressure on the drill bit through the pressure sensor and then control the four rotations of the servo motor to rewind the wire and pull the clamping frame to separate and then release the drill bit, which is more convenient to use, and at the same time, The chip suction hole cooperates with the chip guide tube and the chip storage cavity to collect the bone powder generated during the operation of the drill bit, preventing the bone powder from affecting the accuracy of drilling and the quality of treatment, with strong practicability and safety.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of the front view of a kind of medical orthopedic punching machine proposed by the present invention;

2 is an enlarged schematic view of the structure at A-A of a medical orthopedic punching machine proposed by the present invention;

Figure 3 is an enlarged schematic view of the structure at B-B of a medical orthopedic punching machine proposed by the present invention;

4 is a schematic structural diagram of a bottom view of a propulsion mechanism of a medical orthopedic punching machine proposed by the present invention;

5 is a schematic structural diagram of a top view of a clamping mechanism of a medical orthopedic punch provided by the present invention;

FIG. 6 is a schematic cross-sectional structure diagram of a front view of a drill bit mechanism of a medical orthopedic drilling machine proposed by the present invention.

In the picture: 1. punching machine shell, 2. outlet, 3. propulsion mechanism, 31. chute, 32. teeth, 33. movable tooth base, 34. propulsion ring, 35. link rod, 36. screw rod, 37. fixed slot 1, 38 Servo motor 1, 39 fixed slot 2, 4 punching machine handle, 5 power mechanism, 51 servo motor 2, 52 card seat, 53 air pump, 54 cross card slot, 55 card block 1, 6 replacement mechanism, 61 lower chainring, 62 upper chainring, 63 servo motor 3, 7 clamping mechanism, 71 support, 72 clamping frame, 73 steel wire, 74 servo motor 4, 75 wire take-up disc, 8 drill mechanism, 81 drill, 82 clamping block 2, 83 Chip suction hole, 84 chip guide pipe, 85 one-way valve, 86 chip storage chamber, 87 separator, 88 pressure sensor.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-6, the present invention provides a technical solution of a medical orthopedic punch: a medical orthopedic punch, including a punch casing 1, and the bottom end of the punch casing 1 is provided with a drill outlet 2. A propulsion mechanism 3, one end of which is located inside the handle 4 of the puncher, is movably installed in the inner cavity of the puncher casing 1. The pusher mechanism 3 is fixedly installed with a power mechanism 5, and the puncher handle 4 is fixedly installed away from the drill hole. 2. The side of the punching machine shell 1 at one end, the bottom of the inner cavity of the punching machine shell 1 is fixedly installed with a replacement mechanism 6, and a clamping mechanism 7 is fixedly installed on the upper surface of the replacement mechanism 6, and the clamping mechanism 7 is movably connected with a top end The drill bit mechanism 8 is adapted to the power mechanism 5. The medical orthopedic drilling machine is adapted to the external AC power system, with a rated voltage of 110V and a frequency of 60HZ.

In the present invention, the propulsion mechanism 3 includes a chute 31 , a movable tooth base 33 engaged with the teeth 32 is installed inside the chute 31 movably, and an annular propulsion ring 34 is fixedly installed on the side of the movable tooth base 33 , and the propulsion ring The inner wall of 34 is sheathed with a screw rod 36 through a linkage rod 35, and one end of the screw rod 36 is fixedly connected with a servo motor one 38 located in a fixed groove one 37, and the fixed groove one 37 is opened on the punching machine handle 4, and push the ring. The second fixing groove 39 is opened on the 34 .

In the present invention, the power mechanism 5 includes a second servo motor 51 , and the second servo motor 51 adopts a micro motor with a cross-sectional diameter of 3.2 cm. The rotating shaft of the second servo motor 51 is fixedly installed with a card seat 52 , and the bottom end of the card seat 52 is provided with a seat 52 . There is a cross card slot 54, the inner wall of the cross card slot 54 is fixedly installed with a card block 55, and the inside of the card seat 52 is fixedly installed with an air pump 53 whose air outlet is located in the center of the cross card slot 54.

In the present invention, the replacement mechanism 6 includes a lower chainring 61, an upper chainring 62 is engaged with the upper side of the lower chainring 61, and the sides of the upper chainring 62 and the lower chainring 61 are clamped by a slider, and the upper chainring 62 is The shaft center is fixedly connected with a servo motor three 63 which is fixedly installed inside the casing 1 of the punching machine through a fixing frame.

In the present invention, the clamping mechanism 7 includes a support member 71, and the side surface of the support member 71 is fixedly mounted with a clamping frame 72. The number of the clamping frames 72 is four, and each of them is a pair. Clamping, the middle part of the outer side of the clamping frame 72 is fixedly connected with the take-up reel 75 through the steel wire 73, and the axis of the take-up reel 75 is fixedly installed on the output shaft of the servo motor four 74 located on the side of the support 71, and the servo motor The cross-sectional diameter of the four 74 is one-fifth of the cross-sectional diameter of the servo motor two 51.

In the present invention, the drill bit mechanism 8 includes a drill bit 81, the interior of the drill bit 81 is hollow, and the side surface of the top of the drill bit 81 is symmetrically and fixedly installed with the second clamping block 82 in a cross shape. The pressure sensor 88 is fixedly installed at the top of the drill bit 81, and the bottom end of the drill bit 81 is provided with a chip suction hole 83. The inlet of the chip storage chamber 86 is connected, and a check valve 85 is fixedly installed at the connection between the chip guide pipe 84 and the chip storage chamber 86. The check valve 85 ensures that the aggregate can only enter the chip storage chamber 86, and the A partition screen 87 is fixedly installed inside, and the outlet of the chip storage chamber 86 passes through the axial center of the top of the drill bit 81 and corresponds to the air outlet of the air pump 53 .

In the present invention, the number of drill bit mechanisms 8 is two, and the lengths of the top ends of the two drill bit mechanisms 8 are matched with the length of the bottom end of the power mechanism 5 .

In the present invention, a through hole with an internal thread is provided at the connection between the interlocking rod 35 and the screw rod 36 , and four moving tooth seats 33 are fixedly installed on the outer side of the interlocking rod 35 at equal distances.

The propulsion mechanism 3 of the present invention can better restrict the moving direction and position of the propulsion ring 34 through the meshing action by setting the chute 31 that matches the teeth 32, so that the moving direction and position of the propulsion ring 34 are more accurate, and the coordination The servo motor 1 38 drives the screw rod 36 to rotate and then makes the interlocking rod 35 drive the propulsion ring 34 to move, which can control the movement of the propulsion ring 34 to better grasp the distance from the bottom end of the puncher casing 1, which is convenient for grasping the power mechanism 5 and the The fixed relationship of the second block 82 not only moves stably, but also has simple operation and better use effect.

The power mechanism 5 of the present invention can drive the rotation of the drill bit 81 through the servo motor 51 to make holes, and at the same time cooperate with the air pump 53 to generate negative pressure to provide a power source for the collection of bone powder, which is convenient to use, and cooperates with the cross slot 54. The second clamping block 82 is stably fixed to prevent the drill bit 81 from shifting during operation, so as to ensure the quality of drilling and improve the quality of treatment.

The replacement mechanism 6 of the present invention drives the upper toothed disc 62 to rotate through the servo motor 3 63 and then drives the clamping mechanism 7 to rotate. Different drill bits 81 can be replaced according to the patient's condition, so as to ensure that various drilling diameters can be provided during use. The compatibility and pertinence are strong, which is beneficial to the treatment of patients.

The clamping mechanism 7 and the drill mechanism 8 of the present invention sense the pressure on the drill 81 through the pressure sensor 88 and then control the rotation of the servo motor 474 to make the wire 73 rewind and pull the clamping frame 72 to separate and then release the drill 81, It is more convenient to use. At the same time, the chip suction hole 83 cooperates with the chip guide tube 84 and the chip storage cavity 86 to collect the bone powder generated when the drill bit 81 is working, so as to prevent the bone powder from affecting the drilling accuracy and the quality of treatment, practicability and safety. strong.

Hold the punch handle 4 in hand, and use the replacement mechanism 6 as required

To replace a different drill bit 81 , use the propulsion mechanism 3 to control the combination of the power mechanism 5 and the drill bit 81 , and at the same time release the drill bit 81 when the contact pressure between the power mechanism 5 and the drill bit 81 is strong through the cooperation of the pressure sensor 88 and the clamping mechanism 7 . It is rotated and punched, and the bone powder produced by the punching is collected into the chip storage cavity 86 through the air pump 53, which is highly practical.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (1)

1. A medical orthopedics puncher which characterized in that: the medical orthopedic perforating machine comprises a perforating machine shell, wherein a drilling outlet is formed in the bottom end of the perforating machine shell, a propelling mechanism with one end positioned in a handle of the perforating machine is movably mounted in an inner cavity of the perforating machine shell, a power mechanism is fixedly mounted on the propelling mechanism, the handle of the perforating machine is fixedly mounted on the side face of the perforating machine shell far away from one end of the drilling outlet, a replacing mechanism is fixedly mounted at the bottom of the inner cavity of the perforating machine shell, a clamping mechanism is fixedly mounted on the upper surface of the replacing mechanism, a drill bit mechanism with the top end matched with the power mechanism is movably connected to the clamping mechanism, the medical orthopedic perforating machine is matched with an external alternating-current power supply system, the rated voltage of; the pushing mechanism comprises a sliding chute, a movable tooth holder meshed with teeth is movably mounted in the sliding chute, an annular pushing ring is fixedly mounted on the side face of the movable tooth holder, a screw rod is sleeved on the inner wall of the pushing ring through a linkage rod, one end of the screw rod is fixedly connected with a first servo motor located in a first fixing groove, the first fixing groove is formed in a handle of the punching machine, and a second fixing groove is formed in the pushing ring; the power mechanism comprises a servo motor II, the servo motor II adopts a micro motor with the cross section diameter of 3.2cm, a clamping seat is fixedly arranged on a rotating shaft of the servo motor II, a cross clamping groove is formed in the bottom end of the clamping seat, a clamping block I is fixedly arranged on the inner wall of the cross clamping groove, an air pump with an air outlet end positioned at the center of the cross clamping groove is fixedly arranged in the clamping seat, and the air pump is of a micro air pump SB5505 type; the replacing mechanism comprises a lower fluted disc, an upper fluted disc is meshed with the upper side of the lower fluted disc, the upper fluted disc is clamped with the side surface of the lower fluted disc through a sliding block, and a servo motor III fixedly arranged in the shell of the perforating machine through a fixing frame is fixedly connected to the axis of the upper fluted disc; the clamping mechanism comprises a support, clamping frames are fixedly mounted on the side face of the support, the number of the clamping frames is four, every two clamping frames are in a pair, drill bits of different models can be clamped, the middle of the outer side face of each clamping frame is fixedly connected with a take-up reel through a steel wire, the axis of the take-up reel is fixedly mounted on a four output shaft of a servo motor located on the side face of the support, and the diameter of the cross section of the servo motor four is one fifth of that of the cross section of the servo motor two; the drill bit mechanism comprises a drill bit, the interior of the drill bit is hollow, a second clamping block is symmetrically and fixedly installed on the side face of the top of the drill bit in a cross shape, the second clamping block is matched with the first clamping block and can play a good fixing role during rotation, a pressure sensor is fixedly installed at the top end of the drill bit, a chip suction hole is formed in the bottom end of the drill bit, an outlet of the chip suction hole is communicated with an inlet of a chip storage cavity located in the drill bit through a chip guide pipe, a check valve is fixedly installed at the joint of the chip guide pipe and the chip storage cavity and ensures that aggregate can only enter the chip storage cavity, a separation net is fixedly installed in the chip storage cavity, and an outlet of the chip storage cavity penetrates through the axis of the top of the drill bit and; the number of the drill bit mechanisms is two, the length of the top ends of the two drill bit mechanisms is matched with that of the bottom end of the power mechanism, and the top end of each drill bit mechanism is provided with an air guide groove; a through hole with internal threads is formed at the joint of the linkage rod and the screw rod, and four movable tooth holders are fixedly arranged on the outer side surface of the linkage rod at equal intervals; the pushing mechanism can better limit the moving direction and position of the pushing ring through the meshing effect by arranging the sliding groove matched with the teeth, and the pushing mechanism is matched with the servo motor I to drive the screw rod to rotate so as to drive the linkage rod to drive the pushing ring to move, so that the moving of the pushing ring can be controlled to better master the distance between the pushing ring and the bottom end of the shell of the perforating machine, and the fixed relation between the power mechanism and the second clamping block can be conveniently mastered; the power mechanism can drive the drill bit to rotate through the servo motor II to punch, can generate negative pressure by matching with the air pump to provide a power source for bone powder collection, and can better and more stably fix the fixture block II by matching with the cross-shaped clamping groove, so that the drill bit is prevented from deviating during working, and the punching quality is ensured; the replacing mechanism drives the upper fluted disc to rotate through the servo motor III so as to drive the clamping mechanism to rotate, different drill bits can be replaced according to the condition of a patient, and the fact that various punching diameters can be provided in the use process is guaranteed; the clamping mechanism and the drill bit mechanism sense the pressure applied to the drill bit through the pressure sensor, then control the servo motor to rotate four times to roll and pull the clamping frame to separate the clamping frame and then loosen the drill bit, and meanwhile, bone meal generated during the working of the drill bit can be collected through matching of the chip suction hole with the chip guide pipe and the chip storage cavity, so that the bone meal is prevented from influencing the punching accuracy and the treatment quality; hold the punch handle, utilize the change mechanism to change different drill bits as required, recycle advancing mechanism control power unit and the combination of drill bit, the cooperation through pressure sensor and clamping mechanism simultaneously makes power mechanism and drill bit contact pressure loosen the drill bit when stronger and make it rotate and punch, and the bone meal that will punch the production again passes through the air pump and collects in the storage bits chamber.

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