CN213156379U - Proximal aiming device for femoral reconstruction interlocking intramedullary nail - Google Patents
Proximal aiming device for femoral reconstruction interlocking intramedullary nail Download PDFInfo
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- CN213156379U CN213156379U CN202021026969.3U CN202021026969U CN213156379U CN 213156379 U CN213156379 U CN 213156379U CN 202021026969 U CN202021026969 U CN 202021026969U CN 213156379 U CN213156379 U CN 213156379U
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- intramedullary nail
- hole
- connecting seat
- seat
- interlocking intramedullary
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Abstract
The utility model discloses an interlocking intramedullary nail near-end aiming device is rebuild to thighbone, the electric iron comprises a handle, the upper end of handle is provided with the connecting seat, can dismantle on the connecting seat and be connected with near-end aiming frame, the one end that the connecting seat was kept away from to near-end aiming frame is provided with revolves wrong seat, it is provided with a pair of guiding hole to revolve to twist in the seat, the lower extreme of handle is provided with the bayonet joint, it has implantation portion to peg graft on the bayonet joint, be provided with four locating holes in. The utility model relates to a simple structure, convenient, the strong interlocking intramedullary nail near-end aiming device is rebuild to thighbone of dismouting.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a proximal aiming device of an interlocking intramedullary nail for femoral reconstruction.
Background
The interlocking intramedullary nail of femur is the mainstream internal fixation device for curing femoral fracture in the field of orthopedics at present. In the operation, two locking nails are respectively arranged at the far end and the near end of the intramedullary nail to control the rotation of the fracture end and increase the firmness of fixation. However, the technology has the disadvantage that the proximal locking nail placement accuracy is difficult to guarantee, and therefore, a proximal aiming device for the femoral reconstruction interlocking intramedullary nail is urgently needed to overcome the disadvantage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a thighbone is rebuild interlocking intramedullary nail near-end sighting device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a thighbone is rebuild interlocking intramedullary nail near-end aiming device, includes the handle, the upper end of handle is provided with the connecting seat, can dismantle on the connecting seat and be connected with near-end aiming frame, the one end that near-end aiming frame kept away from the connecting seat is provided with revolves the seat of twisting, it is provided with a pair of guiding hole to revolve to twist in the seat, the lower extreme of handle is provided with the bayonet joint, it has implantation portion to peg graft on the bayonet joint, be provided with four locating holes in the implantation portion.
Preferably, one end of the near-end aiming frame, which is close to the connecting seat, is provided with an eccentric sleeve, and an eccentric hole is formed in the eccentric sleeve.
Preferably, the positioning hole at the rightmost end in the positioning holes is a waist-shaped hole, and the waist-shaped hole is in a long strip shape with two arc-shaped ends.
Preferably, the connecting seat is provided with a threaded hole, one end, far away from the screwing seat, of the near-end aiming frame is provided with a fixing seat, the fixing seat is rotatably connected with a screwing head, the lower end of the screwing head is provided with a screw, and the screw is in threaded connection with the threaded hole.
Preferably, the fixing seat is provided with a pair of pins, the connecting seat is provided with pin holes, and the pins are inserted in the pin holes.
Preferably, the left end of the implantation part is provided with an insertion hole, the end face of the insertion joint is provided with a boss, and the boss is inserted in the insertion hole.
Compared with the prior art, the beneficial effects of the utility model are that: the eccentric hole of the utility model allows the intramedullary nail to be fixed by static force or power through two directions and the matching of the waist-shaped hole and the eccentric hole. The fixing seat and the connecting seat can be disassembled and assembled by rotating the screwing head. The pin is inserted in the pin hole to position the fixed seat and the connecting seat. The lug boss is inserted into the insertion hole to realize connection of the insertion head and the implantation part, and the assembly and disassembly are convenient. The utility model relates to a simple structure, convenient, the strong interlocking intramedullary nail near-end aiming device is rebuild to thighbone of dismouting.
Drawings
FIG. 1 is a schematic structural view of a proximal aiming device of a femoral reconstruction interlocking intramedullary nail;
FIG. 2 is a schematic structural diagram of a proximal aiming block in the proximal aiming device of the femoral reconstruction interlocking intramedullary nail;
FIG. 3 is a schematic structural diagram of a handle of the proximal aiming device for a femoral reconstruction interlocking intramedullary nail;
fig. 4 is a schematic structural diagram of an eccentric sleeve in a proximal aiming device of a femoral reconstruction interlocking intramedullary nail.
In the figure: 1-handle, 2-connecting seat, 3-plug connector, 4-boss, 5-near-end aiming frame, 6-fixing seat, 7-screwing head, 8-screw, 9-pin, 10-eccentric sleeve, 11-eccentric hole, 12-screwing seat, 13-guide hole, 14-implantation part, 15-positioning hole and 16-kidney-shaped hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution:
the utility model provides a thighbone is rebuild interlocking intramedullary nail near-end aiming device, includes handle 1, the upper end of handle 1 is provided with connecting seat 2, can dismantle on the connecting seat 2 and be connected with near-end aiming frame 5, the one end that near-end aiming frame 5 kept away from connecting seat 2 is provided with revolves and revolves seat 12, it is provided with a pair of guiding hole 13 to revolve among the seat 12 to revolve, the lower extreme of handle 1 is provided with bayonet joint 3, it has implantation portion 14 to peg graft on the bayonet joint 3, be provided with four locating holes 15 on the implantation portion 14.
When the interlocking intramedullary nail is used, the implant part 14 is inserted into a long bone connected with a femur, the handle 1 is connected with the implant part 14, the proximal aiming frame 5 is connected with the handle 1, the screwdriver is inserted into one of the guide holes 13 and one of the positioning holes 15, the guide holes 13 and the positioning holes 15 are matched to realize aiming, and then the screwdriver is rotated to screw the interlocking intramedullary nail into the femur.
Preferably, an end of the proximal aiming block 5 close to the connecting seat 2 is provided with an eccentric sleeve 10, and an eccentric hole 11 is arranged in the eccentric sleeve 10.
The eccentric hole 11 allows for improved adjustability of the position of the targeting device through two directions.
Preferably, the rightmost positioning hole 15 of the positioning holes 15 is a kidney-shaped hole 16, and the kidney-shaped hole 16 is a long strip with two circular arc ends.
The waist-shaped hole 16 is matched with the eccentric hole 11 to carry out static or dynamic fixation on the intramedullary nail.
Preferably, a threaded hole is formed in the connecting seat 2, a fixing seat 6 is arranged at one end, away from the screwing seat 12, of the near-end aiming frame 5, a screwing head 7 is rotatably connected to the fixing seat 6, a screw 8 is arranged at the lower end of the screwing head 7, and the screw 8 is in threaded connection with the threaded hole.
The fixing seat 6 and the connecting seat 2 can be disassembled and assembled by rotating the screwing head 7, and the use is convenient.
Preferably, the fixing seat 6 is provided with a pair of pins 9, the connecting seat 2 is provided with pin holes, and the pins 9 are inserted into the pin holes.
The pin 9 is inserted in the pin hole to position the fixed seat 6 and the connecting seat 2.
Preferably, the left end of the implantation part 14 is provided with an insertion hole, the end face of the insertion head 3 is provided with a boss 4, and the boss 4 is inserted into the insertion hole.
The lug boss 4 is inserted into the insertion hole to realize the connection of the insertion head 3 and the implantation part 14, and the assembly and disassembly are convenient.
The utility model discloses a theory of operation is: when the interlocking intramedullary nail is used, the implant part 14 is inserted into a long bone connected with a femur, the handle 1 is connected with the implant part 14, the proximal aiming frame 5 is connected with the handle 1, the screwdriver is inserted into one of the guide holes 13 and one of the positioning holes 15, the guide holes 13 and the positioning holes 15 are matched to realize aiming, and then the screwdriver is rotated to screw the interlocking intramedullary nail into the femur. The eccentric hole 11 allows for improved adjustability of the position of the targeting device through two directions. The waist-shaped hole 16 is matched with the eccentric hole 11 to carry out static or dynamic fixation on the intramedullary nail. The fixing seat 6 and the connecting seat 2 can be disassembled and assembled by rotating the screwing head 7, and the use is convenient. The pin 9 is inserted in the pin hole to position the fixed seat 6 and the connecting seat 2. The lug boss 4 is inserted into the insertion hole to realize the connection of the insertion head 3 and the implantation part 14, and the assembly and disassembly are convenient.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a thighbone is rebuild interlocking intramedullary nail near-end aiming device, includes handle (1), its characterized in that: the upper end of handle (1) is provided with connecting seat (2), can dismantle on connecting seat (2) and be connected with near-end aiming frame (5), the one end that near-end aiming frame (5) kept away from connecting seat (2) is provided with revolves and revolves seat (12), it is provided with a pair of guiding hole (13) to revolve to be provided with in seat (12), the lower extreme of handle (1) is provided with bayonet joint (3), it has implantation portion (14) to peg graft on bayonet joint (3), be provided with four locating holes (15) on implantation portion (14).
2. The proximal aiming device of femoral reconstruction interlocking intramedullary nail of claim 1, wherein: one end of the near-end aiming frame (5) close to the connecting seat (2) is provided with an eccentric sleeve (10), and an eccentric hole (11) is formed in the eccentric sleeve (10).
3. The proximal aiming device of femoral reconstruction interlocking intramedullary nail of claim 2, wherein: the positioning hole (15) at the rightmost end in the positioning holes (15) is a waist-shaped hole (16), and the waist-shaped hole (16) is in a long strip shape with two arc-shaped ends.
4. The proximal aiming device of femoral reconstruction interlocking intramedullary nail of claim 1, wherein: be provided with the screw hole on connecting seat (2), the one end of revolving wrong seat (12) is kept away from in near-end aiming frame (5) is provided with fixing base (6), it is connected with and twists head (7) to rotate on fixing base (6), the lower extreme of twisting head (7) is provided with screw (8), screw (8) threaded connection is in the screw hole.
5. The proximal aiming device of femoral reconstruction interlocking intramedullary nail of claim 4, wherein: the fixing seat (6) is provided with a pair of pins (9), the connecting seat (2) is provided with pin holes, and the pins (9) are inserted in the pin holes.
6. The proximal aiming device of femoral reconstruction interlocking intramedullary nail of claim 1, wherein: the left end of the implantation part (14) is provided with an insertion hole, the end face of the insertion joint (3) is provided with a boss (4), and the boss (4) is inserted in the insertion hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021026969.3U CN213156379U (en) | 2020-06-05 | 2020-06-05 | Proximal aiming device for femoral reconstruction interlocking intramedullary nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021026969.3U CN213156379U (en) | 2020-06-05 | 2020-06-05 | Proximal aiming device for femoral reconstruction interlocking intramedullary nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213156379U true CN213156379U (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021026969.3U Active CN213156379U (en) | 2020-06-05 | 2020-06-05 | Proximal aiming device for femoral reconstruction interlocking intramedullary nail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213156379U (en) |
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2020
- 2020-06-05 CN CN202021026969.3U patent/CN213156379U/en active Active
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