CN209059398U - A kind of femoral interlocking nail opener with three-dimensional localization function - Google Patents
A kind of femoral interlocking nail opener with three-dimensional localization function Download PDFInfo
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- CN209059398U CN209059398U CN201820883080.3U CN201820883080U CN209059398U CN 209059398 U CN209059398 U CN 209059398U CN 201820883080 U CN201820883080 U CN 201820883080U CN 209059398 U CN209059398 U CN 209059398U
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Abstract
The utility model relates to the femoral interlocking nail openers with three-dimensional localization function, including mark rod, handle, puncturing lever, puncturing head and guide pin；Mark rod one end is connect with handle, and other end end is equipped with its vertical pilot pin；Puncturing lever one end is detachably connected with handle, and the other end is tilted towards the side of the mark rod other end to be extended, and is connected with the guide pin pipe of arc in the end end, and guide pin pipe is provided with guide pin slot away from the side of mark rod, and it is far from the open at one end of puncturing lever；Puncturing head is conical head, and axial line is parallel with mark rod, and the cone bottom end of puncturing head is connect with guide pin pipe far from one end of puncturing lever；Guide pin front end is protruded into guide pin slot, and sequentially passes through guide pin pipe and channel, forms angle α between the extended line and its rear end axial line of guide pin front end axial line, and 15 °≤α≤20 °；Guide pin is in the same plane with pilot pin.Advantage: can effectively, quickly position, and accurately be inserted into guide pin, flexible operation, conveniently.
Description
Technical field
The utility model relates to the field of medical instrument technology, in particular in a kind of femur marrow with three-dimensional localization function
Follow closely opener.
Background technique
Currently, existing opener has the disadvantage that 1) existing opener puncturing lever is too short on the market, in actual operation
In operation, different patient's local soft tissue difference in thickness are very big, in the case where fat or muscular patient tissue is thicker,
Guide pin is difficult to enter by opener channel internal；
2) existing opener channel is straight line channel, and guide pin through channel is pierced by with straight line.But enter from greater trochanter
There is 6 degree or so of valgus angle in the intramedullary nail end of mouth, that is, guide pin proximal channel is arc, in the practical operation of operation
Only have in lower limb in journey and receives position guide pin just easy reeve pulp cavity center, even when lower limb neutral position is interior receipts position, guide pin
It is easy to penetrate inner sidewall, at outer exhibition position, guide pin is more difficult to be inserted into, and generally requires guide pin bending at an angle through femur
Greater trochanter enters in marrow.And many fractured near end of thighbone patients good apposition, interior receipts position when neutral or outer exhibition position is drawn
When fracture be then displaced；
3) guide pin enters pulp cavity through opener, may determine that guide pin positive position in femur under x-ray normotopia perspective
Whether shift, while needing X-ray side position that could judge whether guide pin shifts on side.In most of bases
Hospital not can simultaneously thoroughly positive side position G shape arm X-ray perspective machine, generally require repeatedly to adjust C-shaped arm X-ray perspective machine, normotopia,
Side position repeatedly can just adjust the accurate location of guide pin thoroughly repeatedly, spend many operations and radiation exposure time.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of femoral interlocking nails with three-dimensional localization function to open
Mouthpart effectively overcomes the defect of the prior art.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of femur marrow with three-dimensional localization function
Interior nail opener, including mark rod, handle, puncturing lever, puncturing head and guide pin；
Above-mentioned mark rod one end is detachably connected with above-mentioned handle, and the direction that the other end is directed away from above-mentioned handle extends,
And its vertical pilot pin is removably installed in other end end；
Above-mentioned puncturing lever one end is detachably connected with above-mentioned handle, an inclination of the other end towards the above-mentioned mark rod other end
Tiltedly extend, and the end end be connected with arc and to far from above-mentioned mark rod side guide pin pipe outstanding, above-mentioned guide pin pipe
Its internal guide pin slot of connection is provided with away from the side of above-mentioned mark rod, and it is far from the open at one end of above-mentioned puncturing lever；
Above-mentioned puncturing head is conical head, is inside axially arranged with through its channel, and axial line is parallel with above-mentioned mark rod,
The cone bottom end of above-mentioned puncturing head is removably connect with above-mentioned guide pin pipe far from one end of above-mentioned puncturing lever；
The front end of above-mentioned guide pin is protruded into along the notch of above-mentioned guide pin slot in above-mentioned guide pin slot, and sequentially passes through above-mentioned guide pin
The channel of pipe and above-mentioned puncturing head, and angle α is formed between the extended line and its rear end axial line of above-mentioned guide pin front end axial line,
And 15 °≤α≤20 °；
Above-mentioned guide pin is in the same plane with above-mentioned pilot pin.
The beneficial effects of the utility model are: structure design is simple, reasonable, can effectively and rapidly position, and accurately insert
Enter guide pin, flexible operation, conveniently.
Based on the above technical solution, the utility model can also do following improvement.
Further, above-mentioned mark rod is straight-bar, and above-mentioned handle is equipped with the card slot to match with above-mentioned mark rod, above-mentioned mark
The one end for knowing bar is protruded into and is connected in above-mentioned card slot.
Beneficial effect using above-mentioned further scheme is the dismounting that the design is conducive to mark rod, very convenient.
Further, the other end of above-mentioned mark rod forms perpendicular positioning to the side bending away from above-mentioned puncturing lever
Bar, above-mentioned locating rod are equipped with the positioning through hole for running through it along its length, and above-mentioned pilot pin is removably inserted in above-mentioned fixed
In the through-hole of position.
Beneficial effect using above-mentioned further scheme is the design of locating rod conducive to the positioning to guide pin, meanwhile, it is conducive to
The dismounting of pilot pin.
Further, above-mentioned puncturing lever is straight-bar, and screw thread is equipped with outside one end, corresponds to above-mentioned puncturing lever on above-mentioned handle
Position is equipped with the screw hole to match with above-mentioned puncturing lever, and the threaded one end of above-mentioned puncturing lever is mounted in above-mentioned screw hole.
Beneficial effect using above-mentioned further scheme is the dismounting that the design is conducive to puncturing lever, very convenient.
Further, above-mentioned puncturing lever and above-mentioned guide pin pipe are integrally formed.
Beneficial effect using above-mentioned further scheme is that the two junction structural strength is higher, and use is more stable.
Further, above-mentioned puncturing head is hollow conical head, and cone bottom end is coaxially provided with the open end with above-mentioned guide pin pipe
Relative to pilot hole, inside along it axially penetrate through the channel for being equipped with and passing through for above-mentioned guide pin, the both ends difference in above-mentioned channel
It is connected with above-mentioned pilot hole and needle outlet, the open end of above-mentioned guide pin pipe is removably connected in above-mentioned pilot hole.
Beneficial effect using above-mentioned further scheme is that the two junction structural strength is higher, and use is more stable, and
And puncturing head design is simple, is especially advantageous for passing through for guide pin.
Further, above-mentioned handle integrally formed is equipped with away from the position that one end of above-mentioned mark rod corresponds to above-mentioned puncturing lever
Beat portion.
It is easy for applying external force to entire puncturing lever by the portion of beaing using the beneficial effect of above-mentioned further scheme, thus
Guide pin is preferably punctured.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the femoral interlocking nail opener with three-dimensional localization function of the utility model；
Fig. 2 is the femoral interlocking nail opener with three-dimensional localization function of the utility model in state when using of performing the operation
Figure.
In attached drawing, parts list represented by the reference numerals are as follows:
1, mark rod, 2, handle, 3, puncturing lever, 4, puncturing head, 5, guide pin, 6, pilot pin, 11, locating rod, 21, beat
Portion, 31, guide pin pipe.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
Embodiment: as shown in Figure 1, the femoral interlocking nail opener with three-dimensional localization function of the present embodiment includes mark
Bar 1, handle 2, puncturing lever 3, puncturing head 4 and guide pin 5；
Above-mentioned 1 one end of mark rod is detachably connected with above-mentioned handle 2, and the direction that the other end is directed away from above-mentioned handle 2 is prolonged
It stretches, and its vertical pilot pin 6 is removably installed in other end end；
Above-mentioned 3 one end of puncturing lever is detachably connected with above-mentioned handle 2, the other end towards above-mentioned 1 other end of mark rod one
Roll tiltedly extend, and the end end be connected with arc and to far from above-mentioned mark rod 1 side guide pin pipe 31 outstanding, it is above-mentioned
Guide pin pipe 31 is provided with its internal guide pin slot of connection, and its one end far from above-mentioned puncturing lever 3 away from the side of above-mentioned mark rod 1
Opening；
Above-mentioned puncturing head 4 is conical head, is inside axially arranged with through its channel, axial line and above-mentioned mark rod 1 are flat
Row, the cone bottom end of above-mentioned puncturing head 4 is removably connect with above-mentioned guide pin pipe 31 far from one end of above-mentioned puncturing lever 3；
The front end of above-mentioned guide pin 5 is protruded into along the notch of above-mentioned guide pin slot in above-mentioned guide pin slot, and sequentially passes through above-mentioned lead
The channel of needle tubing 31 and above-mentioned puncturing head 4, and formed between the extended line and its rear end axial line of 5 front end axial line of above-mentioned guide pin
Angle α, and 15 °≤α≤20 °；
Above-mentioned guide pin 5 is in the same plane with above-mentioned pilot pin 6.
In use process, as shown in Fig. 2, patient, which lies on the back, draws operating bed in orthopaedics under general surgery situation, it is good for limb outreach
It is fixed, traction table traction reduction.Fixed (kneecap is upward) is drawn in suffering limb neutral position (or interior receipts, outer exhibition position), inward turning position, and x-ray is saturating
It is good depending on machine confirmation fracture reduction；Later by puncturing head 4 be placed in greater trochanter of femur point partially inside (at intramedullary nail conventional open,
Different types of intramedullary nail is slightly different)；In next step, the angle of mark rod 1 is adjusted, so that pilot pin 6 is pierced into and is located at stock
The position at alignment femoral bone cavitas medullaris center on the outside of bone, is close to lateral side of femur face for the syringe needle of pilot pin 6, so that the syringe needle of pilot pin 6
It is overlapped at needle point with the center line of pulp cavity, and ensures that the extended line of guide pin 6 is overlapped with the needle point of pilot pin 6, because of pilot pin 6
It is generally aligned in the same plane with guide pin 5, therefore, when the needle point of pilot pin 6 is overlapped with the center line of pulp cavity, guide pin 5 is being squeezed into pulp cavity
It is necessarily overlapped afterwards with the center line of pulp cavity, pulp cavity will not be tilted into and the accident that may pierce out femoral bone cavitas medullaris is caused to occur,
Guide pin is fully inserted into pulp cavity in this case, and last X-ray examination machine confirms that guide pin positive side position position, confirmation position are well used afterwards
Puncturing head 4 is punctured, and can apply external force with or without the portion of beaing 21 depending on sclerotin hardness difference.Auxiliary of the opener in locating rod
Under, three-dimensional localization is realized by pilot pin 6 and guide pin 5, positioning is more accurate, in addition, in puncture process, the rear end of guide pin 5
15~20 ° of angles are formed between front end, portion along greater trochanter of femur point is in the very convenient guide pin 5 of the design of the angle out of the human body
Bending is pierced into pulp cavity (one end for being pierced into pulp cavity is straight), is conducive to medical staff's surgical procedure.
Preferably, above-mentioned mark rod 1 is straight-bar, above-mentioned handle 2 is equipped with the card slot to match with above-mentioned mark rod 1, on
The one end for stating mark rod 1 is protruded into and is connected in above-mentioned card slot, which is conducive to the dismounting of mark rod 1, very convenient.
65 ° are formed between the extended line of 1 axial line of extended line and above-mentioned mark rod of above-mentioned 3 axial line of puncturing lever -- 70 °
Angle.
In general, elasticity and fixture block outstanding are respectively equipped on two sides cell wall opposite in card slot, the one of above-mentioned mark rod 1
Two sides are held to be equipped with groove corresponding with above-mentioned fixture block, when one end of mark rod 1 is protruded into above-mentioned card slot, above-mentioned groove is along right
The above-mentioned fixture block surface answered slips over, and squeezes fixture block, and after slipping over fixture block, fixture block restPoses and protrudes into corresponding groove
It is interior, so that mark rod 1 is fixed at card slot, realize the fixation of mark rod 1 and handle 2.
Perpendicular determine preferably, the other end of above-mentioned mark rod 1 is formed to the side bending away from above-mentioned puncturing lever 3
Position bar 11, above-mentioned locating rod 11 are equipped with the positioning through hole for running through it along its length, and above-mentioned pilot pin 6 is removably inserted in
In above-mentioned positioning through hole, the design of locating rod 11 is convenient to offset with bone surface, meanwhile, it is also convenient for the dismounting of pilot pin 6, design is closed
Reason, enables pilot pin 6 fast, accurately to dismount with it and combines.
Preferably, above-mentioned puncturing lever 3 is straight-bar, it is equipped with screw thread outside one end, corresponds to above-mentioned puncturing lever on above-mentioned handle 2
3 position is equipped with the screw hole to match with above-mentioned puncturing lever 3, and the threaded one end of above-mentioned puncturing lever 3 is mounted in above-mentioned screw hole, should
Design comparison is conducive to the fast assembling-disassembling of puncturing lever 3 and handle 2, very convenient, it is of course also possible to be designed to that other have with similar
The clamping engagement of the disassembly and assembly structure of effect, such as above-mentioned mark rod 1 and 2 card slot of handle designs.
Preferably, above-mentioned puncturing lever 3 is integrally formed with above-mentioned guide pin pipe 31, so that the two junction structural strength is higher,
It will not be subjected to displacement or deform in the course of surgery, it is ensured that the precision that guide pin 5 punctures.
Above-mentioned puncturing lever 3 is also possible to hollow stem, but must assure that its structural strength meets operation standard, and hand will not occur
The situations such as deformation when being punctured during art.
Preferably, above-mentioned puncturing head 4 is hollow conical head, cone bottom end is coaxially provided with the opening with above-mentioned guide pin pipe 31
Hold relative to pilot hole, inside along it axially penetrate through the channel for being equipped with and passing through for above-mentioned guide pin 5, the both ends point in above-mentioned channel
It is not connected with above-mentioned pilot hole and needle outlet, the open end of above-mentioned guide pin pipe 31 is removably connected in above-mentioned pilot hole,
The two is especially advantageous for dismounting combination, will not be subjected to displacement or deform in the course of surgery, it is ensured that the precision that guide pin 5 punctures, together
When, the hollow design of puncturing head 4 compares passing through conducive to guide pin 5.
Preferably, above-mentioned handle 2 is integrally formed away from the position that one end of above-mentioned mark rod 1 corresponds to above-mentioned puncturing lever 3
Equipped with the portion of beaing 21, positioning or brill of the puncturing head 4 on greater trochanter of femur articular surface in surgical procedure can be facilitated by the portion of beaing
Hole etc. other operation, also be conducive to by this beat portion 21 apply external force make entire opener held stationary in the course of surgery.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (7)
1. a kind of femoral interlocking nail opener with three-dimensional localization function, it is characterised in that: including mark rod (1), handle
(2), puncturing lever (3), puncturing head (4) and guide pin (5)；
Described mark rod (1) one end is detachably connected with the handle (2), and the other end is directed away from the direction of the handle (2)
Extend, and its vertical pilot pin (6) is removably installed in other end end；
Described puncturing lever (3) one end is detachably connected with the handle (2), and the other end is towards the mark rod (1) other end
Side inclination extend, and the end end be connected with arc and to far from the mark rod (1) side guide pin pipe outstanding
(31), the guide pin pipe (31) is provided with its internal guide pin slot of connection away from the side of the mark rod (1), and it is separate described
Puncturing lever (3) it is open at one end；
The puncturing head (4) is conical head, is inside axially arranged with through its channel, axial line and the mark rod (1) are flat
Row, the cone bottom end of the puncturing head (4) are removably connect with the guide pin pipe (31) far from the one end of the puncturing lever (3)；
The front end of the guide pin (5) is protruded into along the notch of the guide pin slot in the guide pin slot, and sequentially passes through the guide pin
The channel of (31) and the puncturing head (4) is managed, and between the extended line and its rear end axial line of the guide pin (5) front end axial line
Form angle α, and 15 °≤α≤20 °；
The guide pin (5) is in the same plane with the pilot pin (6).
2. a kind of femoral interlocking nail opener with three-dimensional localization function according to claim 1, it is characterised in that: institute
Stating mark rod (1) is straight-bar, and the handle (2) is equipped with the card slot to match with the mark rod (1), the mark rod (1)
One end protrude into and be connected in the card slot.
3. a kind of femoral interlocking nail opener with three-dimensional localization function according to claim 2, it is characterised in that: institute
The other end for stating mark rod (1) is formed perpendicular locating rod (11) to the side bending away from the puncturing lever (3), described
Locating rod (11) is equipped with the positioning through hole for running through it along its length, and it is described fixed that the pilot pin (6) is removably inserted in
In the through-hole of position.
4. a kind of femoral interlocking nail opener with three-dimensional localization function according to claim 1, it is characterised in that: institute
Stating puncturing lever (3) is straight-bar, and screw thread is equipped with outside one end, and the position that the puncturing lever (3) is corresponded on the handle (2) is equipped with
The threaded one end of the screw hole to match with the puncturing lever (3), the puncturing lever (3) is mounted in the screw hole.
5. a kind of femoral interlocking nail opener with three-dimensional localization function according to claim 4, it is characterised in that: institute
It states puncturing lever (3) and the guide pin pipe (31) is integrally formed.
6. a kind of femoral interlocking nail opener with three-dimensional localization function according to claim 1, it is characterised in that: institute
Stating puncturing head (4) is hollow conical head, and cone bottom end is coaxially provided with dress corresponding with the open end of the guide pin pipe (31)
Distribution, inside along it axially penetrate through the channel for being equipped with and passing through for the guide pin (5), the both ends in the channel respectively with the dress
Distribution and needle outlet are connected, and the open end of the guide pin pipe (31) is removably connected in the pilot hole.
7. a kind of femoral interlocking nail opener with three-dimensional localization function according to any one of claims 1 to 6, special
Sign is: the handle (2) integrally formed sets away from the position that the one end of the mark rod (1) corresponds to the puncturing lever (3)
Beat portion (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820883080.3U CN209059398U (en) | 2018-06-08 | 2018-06-08 | A kind of femoral interlocking nail opener with three-dimensional localization function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820883080.3U CN209059398U (en) | 2018-06-08 | 2018-06-08 | A kind of femoral interlocking nail opener with three-dimensional localization function |
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| Publication Number | Publication Date |
|---|---|
| CN209059398U true CN209059398U (en) | 2019-07-05 |
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ID=67088798
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820883080.3U Active CN209059398U (en) | 2018-06-08 | 2018-06-08 | A kind of femoral interlocking nail opener with three-dimensional localization function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108814697A (en) * | 2018-06-08 | 2018-11-16 | 罗政强 | A kind of femoral interlocking nail opener with three-dimensional localization function |
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2018
- 2018-06-08 CN CN201820883080.3U patent/CN209059398U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108814697A (en) * | 2018-06-08 | 2018-11-16 | 罗政强 | A kind of femoral interlocking nail opener with three-dimensional localization function |
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