CN218960896U - Femoral tuberosity fracture reposition forceps - Google Patents
Femoral tuberosity fracture reposition forceps Download PDFInfo
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- CN218960896U CN218960896U CN202222861615.6U CN202222861615U CN218960896U CN 218960896 U CN218960896 U CN 218960896U CN 202222861615 U CN202222861615 U CN 202222861615U CN 218960896 U CN218960896 U CN 218960896U
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Abstract
The utility model discloses a femoral tuberosity fracture reduction forceps which comprises a first forceps handle and a second forceps handle, wherein the first forceps handle and the second forceps handle are mutually overlapped; further comprises: the first clamping handle and the second clamping handle are respectively and fixedly arranged at the left ends of the first clamp handle and the second clamp handle and are used for clamping operation of reduction of the fracture under the tuberosity of femur; the locking latch and the unidirectional rack are respectively arranged on the right sides of the first clamp handle and the second clamp handle, and are mutually clamped and used for temporary fixation between the first clamp handle and the second clamp handle so as to maintain a resetting effect. This fracture pincers under thighbone tuberosity is through installation axle and install the spacing subassembly at the installation axle tip for can accomplish the equipment operation after inserting the connecting hole that first pincers handle and second pincers handle were offered with the installation axle, and press the stopper to get into the installation axle inside and can accomplish the dismantlement operation, improved dismouting efficiency greatly, and can improve centre gripping stability, avoid the activity skew.
Description
Technical Field
The utility model relates to the technical field of reduction forceps, in particular to a reduction forceps for a femoral intertrochanteric fracture.
Background
The fracture from the base of the femoral neck to the position above the level of the small tuberosity is called as intertrochanter fracture, belongs to a common clinical disease of orthopedics, and when the intertrochanter fracture is caused by the traction action of surrounding muscles, the fracture part is displaced and deformed, so that the fracture part needs to be reset before the intertrochanter fracture is internally fixed, but the intertrochanter fracture is difficult to be closed and reset, and the fracture end of the intertrochanter fracture needs to be temporarily fixed by a reset forceps so as to facilitate the subsequent further fixation.
In the prior art, for example, an authorized publication number is CN214017790U, a first handle and a first clamping handle integrally form a first forceps body, a second handle and a second clamping handle integrally form a second forceps body, and the forceps body is more firm and complete in structure; the first clamp body is hinged with the second clamp body through screws, so that the device is convenient to disassemble and assemble;
in the specific implementation process of the femur tuberosity resetting device, the disassembling and assembling operation of the first clamp body and the second clamp body is inconvenient in a screw mode, the screw is required to be rotated for many times to achieve installation, and the first clamping handle and the second clamping handle are smooth in inner wall and easy to deviate when clamping femur, so that stability is poor.
In order to solve the problems presented in the above, we propose a femoral intertrochanteric fracture reduction forceps.
Disclosure of Invention
The utility model aims to provide a femoral tuberosity fracture reduction forceps, which aims to solve the problems that the existing femoral tuberosity fracture reduction forceps on the market at present are inconvenient to assemble and disassemble and poor in fixation of femur.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the femoral tuberosity fracture reduction forceps comprise a first forceps handle and a second forceps handle, wherein the first forceps handle and the second forceps handle are mutually overlapped, connecting holes are formed in the first forceps handle and the second forceps handle, the two connecting holes are oppositely arranged, and an installation shaft is arranged in the connecting holes in a fitting mode and used for connecting the first forceps handle and the second forceps handle;
further comprises:
the first clamping handle and the second clamping handle are respectively and fixedly arranged at the left ends of the first clamp handle and the second clamp handle and are used for clamping operation of reduction of the fracture under the tuberosity of femur;
the locking latch and the unidirectional rack are respectively arranged on the right sides of the first clamp handle and the second clamp handle, and are mutually clamped and used for temporary fixation between the first clamp handle and the second clamp handle so as to maintain a resetting effect.
Preferably, the front end and the rear end of the mounting shaft are respectively provided with a bottom supporting plate and a limiting component, the bottom supporting plate is fixedly connected with the mounting shaft, the rear side of the bottom supporting plate is mutually attached to the front side of the first clamp handle, the limiting component is in attaching sliding connection with the mounting shaft, and meanwhile, the diameter of the bottom supporting plate is larger than that of the mounting shaft, so that the mounting shaft provided with the bottom supporting plate can limit one side of the joint of the first clamp handle and the second clamp handle.
Preferably, a compression spring in a compressed state is connected between the limiting component and the inside of the installation shaft, and the limiting component is symmetrically arranged with respect to the center of the installation shaft, so that the limiting component can extend out of the inside of the installation shaft under the action of the compression spring after being not blocked.
Preferably, the limiting component comprises an anti-falling plate and a limiting block, the anti-falling plate is attached to the inside of the installation shaft in a sliding manner, the limiting block is installed on one side, far away from the center of the installation shaft, of the anti-falling plate, the front side of the limiting block is attached to the rear end of the second clamp handle, meanwhile, one side of the end portion of the limiting block is inclined, and therefore after the limiting block is attached to the rear side of the second clamp handle, connection operation between the first clamp handle and the second clamp handle is completed.
Preferably, the ball is movably mounted on the outer side of the mounting shaft at equal angles, and the ball is attached to the inner wall of the connecting hole formed in the first clamp handle and the second clamp handle, so that friction between the mounting shaft and the first clamp handle and the second clamp handle can be reduced.
Preferably, the first clamping handle and the second clamping handle are arranged in an opposite arc structure, and the sawtooth block is arranged on one side of the inner arc of the first clamping handle, so that the first clamping handle can improve the anti-skid performance and the clamping stability through the sawtooth block.
Compared with the prior art, the utility model has the beneficial effects that: this thighbone tuberosity fracture pincers that reset down is through the installation axle and install the spacing subassembly at the installation axle tip for can accomplish the equipment operation after inserting the connecting hole that first pincers handle and second pincers handle were offered with the installation axle, and press the stopper to get into the installation axle inside and can accomplish the dismantlement operation, improved dismouting efficiency greatly, and can improve centre gripping stability, avoid the activity skew, its concrete content is as follows:
1. the mounting shaft and the limiting component are arranged, so that when the mounting shaft and the limiting component are required to be dismounted, the limiting block is only required to be pressed towards the inside of the mounting shaft until the limiting block is completely positioned in the inside of the mounting shaft, the mounting shaft is directly pulled out of the inside of the first clamp handle and the inside of the second clamp handle through the bottom supporting plate, when the mounting shaft is required to be mounted, the mounting shaft is only required to be inserted into the connecting holes formed in the first clamp handle and the second clamp handle until the limiting block is positioned at the rear side of the second clamp handle, and at the moment, the limiting block extends out of the inside of the mounting shaft under the action of the pressure spring and is mutually attached to the rear side of the second clamp handle, so that the first clamp handle and the second clamp handle can be quickly dismounted;
2. the sawtooth blocks are arranged, so that when the first clamp handle and the second clamp handle are utilized to drive the first clamp handle and the second clamp handle to clamp the femur, the sawtooth blocks can be utilized to improve the anti-skid performance and the clamping stability, so that the reduction of the fracture under the tuberosity of the femur can be better completed.
Drawings
FIG. 1 is a schematic diagram of the overall front cross-section structure of the present utility model;
FIG. 2 is a schematic side view of a first clamping lever according to the present utility model;
FIG. 3 is a schematic view of the mounting shaft of the present utility model in a top-down cross-section;
FIG. 4 is a schematic illustration of the normal cross-section of the connection between the mounting shaft and the balls in accordance with the present utility model;
fig. 5 is a schematic side view of a spacing assembly according to the present utility model.
In the figure: 1. a first clamp handle; 2. a second clamp handle; 3. a mounting shaft; 4. a bottom support plate; 5. a limit component; 501. an anti-drop plate; 502. a limiting block; 6. a pressure spring; 7. a ball; 8. a first grip handle; 9. a second grip handle; 10. a saw tooth block; 11. locking the latch; 12. a unidirectional rack.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the femoral tuberosity fracture reduction forceps comprise a first forceps handle 1 and a second forceps handle 2, wherein the first forceps handle 1 and the second forceps handle 2 are mutually overlapped, connecting holes are formed in the first forceps handle 1 and the second forceps handle 2, the two connecting holes are oppositely arranged, and an installation shaft 3 is arranged in the connecting holes in a fitting mode and used for connecting the first forceps handle 1 and the second forceps handle 2; further comprises: the first clamping handle 8 and the second clamping handle 9 are respectively and fixedly arranged at the left ends of the first forceps handle 1 and the second forceps handle 2 and are used for clamping operation of reduction of the femoral tuberosity fracture; a locking latch 11 and a unidirectional rack 12, which are respectively installed at the right sides of the first and second handles 1 and 2, and the locking latch 11 and the unidirectional rack 12 are engaged with each other for temporary fixation between the first and second handles 1 and 2 to maintain a reset effect; the first clamping handle 8 and the second clamping handle 9 are arranged in an opposite arc structure, and a sawtooth block 10 is arranged on one side of the inner arc of the first clamping handle 8;
when the reset forceps are used, the first clamping handle 8 and the second clamping handle 9 are driven to move relatively through the first forceps handle 1 and the second forceps handle 2, so that the clamping effect on the femur is realized, the first forceps handle 1 and the second forceps handle 2 after rotation are temporarily fixed by utilizing the clamping effect of the locking clamping teeth 11 and the unidirectional racks 12, the reset effect is maintained, and meanwhile, the sawtooth blocks 10 arranged on the inner wall of the first clamping handle 8 improve the anti-skid performance, increase the clamping stability, avoid the movable deflection and ensure the reset effect;
the front end and the rear end of the mounting shaft 3 are respectively provided with a bottom supporting plate 4 and a limiting assembly 5, the bottom supporting plate 4 is fixedly connected with the mounting shaft 3, the rear side of the bottom supporting plate 4 is mutually attached to the front side of the first clamp handle 1, the limiting assembly 5 is in attaching sliding connection with the mounting shaft 3, and meanwhile, the diameter of the bottom supporting plate 4 is larger than that of the mounting shaft 3; a compression spring 6 in a compressed state is connected between the limiting component 5 and the inside of the mounting shaft 3, and the limiting component 5 is symmetrically arranged about the center of the mounting shaft 3; the limiting component 5 consists of an anti-falling plate 501 and a limiting block 502, the anti-falling plate 501 is attached and slidingly arranged in the mounting shaft 3, the limiting block 502 is mounted on one side of the anti-falling plate 501 far away from the center of the mounting shaft 3, the front side of the limiting block 502 is attached to the rear end of the second clamp handle 2, and one side of the end part of the limiting block 502 is inclined; the ball 7 is movably arranged at the outer side of the mounting shaft 3 at equal angles, and the ball 7 is attached to the inner wall of a connecting hole formed in the first clamp handle 1 and the second clamp handle 2;
when the first clamp handle 1 and the second clamp handle 2 are required to be disassembled, the limiting block 502 is pressed towards the inside of the installation shaft 3 until the limiting component 5 is completely positioned inside the installation shaft 3, the installation shaft 3 is pulled out of the connecting hole through the bottom supporting plate 4, the disassembling operation between the first clamp handle 1 and the second clamp handle 2 can be completed, when the assembling is required, the installation shaft 3 is only required to be inserted into the connecting hole formed between the first clamp handle 1 and the second clamp handle 2, at the moment, the limiting block 502 cannot block the movement of the installation shaft 3 under the inclined arrangement, and then after the limiting component 5 is completely positioned at the rear side of the second clamp handle 2, the limiting block 502 can extend out of the inside of the installation shaft 3 under the action of the pressure spring 6 and is mutually attached to the second clamp handle 2, so that the quick assembling between the first clamp handle 1 and the second clamp handle 2 is realized.
Working principle: when the femoral tuberosity fracture reduction forceps are used, as shown in the combination of fig. 1-5, the installation shaft 3 is directly inserted into a connecting hole formed between the first forceps handle 1 and the second forceps handle 2 until the limiting component 5 is completely positioned at the rear side of the second forceps handle 2 and is mutually attached to the second forceps handle 2, so that the rapid assembly between the first forceps handle 1 and the second forceps handle 2 is realized, then the first forceps handle 1 and the second forceps handle 2 drive the first clamping handle 8 and the second clamping handle 9 to perform relative movement, the clamping and reduction operation is realized, the temporary fixation is performed by utilizing the clamping action of the locking clamping teeth 11 and the unidirectional racks 12, so as to maintain the reduction effect, meanwhile, the sawtooth block 10 arranged on the inner wall of the first clamping handle 8 can improve the anti-skid performance, avoid the movement deviation, ensure the reduction effect, and finally, when the femur fracture reduction is required, the limiting component 5 is only pressed to be completely positioned in the installation shaft 3, and the installation shaft 3 is taken out.
What is not described in detail in this specification is prior art known to those skilled in the art.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The femoral tuberosity fracture reduction forceps comprise a first forceps handle (1) and a second forceps handle (2), wherein the first forceps handle (1) and the second forceps handle (2) are mutually overlapped, connecting holes are formed in the first forceps handle (1) and the second forceps handle (2), the two connecting holes are oppositely arranged, and an installation shaft (3) is attached to the inner part of the connecting hole and used for connecting the first forceps handle (1) and the second forceps handle (2);
characterized by further comprising:
the first clamping handle (8) and the second clamping handle (9) are respectively and fixedly arranged at the left ends of the first forceps handle (1) and the second forceps handle (2) and are used for clamping operation of reduction of the fracture under the tuberosity of femur;
locking latch (11) and one-way rack (12), it install respectively in the right side of first pincers handle (1) and second pincers handle (2), and locking latch (11) and one-way rack (12) block each other for interim fixed between first pincers handle (1) and second pincers handle (2) to maintain reset effect.
2. The femoral intertrochanter fracture reduction forceps of claim 1, wherein: the front end and the rear end of the mounting shaft (3) are respectively provided with a bottom supporting plate (4) and a limiting assembly (5), the bottom supporting plate (4) is fixedly connected with the mounting shaft (3), the rear side of the bottom supporting plate (4) is mutually attached to the front side of the first clamp handle (1), the limiting assembly (5) is in attaching sliding connection with the mounting shaft (3), and meanwhile, the diameter of the bottom supporting plate (4) is larger than that of the mounting shaft (3).
3. The femoral intertrochanter fracture reduction forceps of claim 2, wherein: a compression spring (6) in a compressed state is connected between the limiting assembly (5) and the inside of the installation shaft (3), and the limiting assembly (5) is symmetrically arranged with respect to the center of the installation shaft (3).
4. The femoral intertrochanter fracture reduction forceps of claim 2, wherein: limiting component (5) comprises anticreep board (501) and stopper (502), and anticreep board (501) laminating slide set up in the inside of installation axle (3), and stopper (502) are installed in one side that installation axle (3) center was kept away from to anticreep board (501), the front side of stopper (502) with the rear end of second pincers handle (2) is laminated each other, and tip one side of stopper (502) is the slope form simultaneously.
5. The femoral intertrochanter fracture reduction forceps of claim 1, wherein: the ball (7) is movably mounted on the outer side of the mounting shaft (3) at equal angles, and the ball (7) is attached to the inner wall of the connecting hole formed in the first clamp handle (1) and the second clamp handle (2).
6. The femoral intertrochanter fracture reduction forceps of claim 1, wherein: the first clamping handle (8) and the second clamping handle (9) are arranged in an opposite arc-shaped structure, and a sawtooth block (10) is arranged on one side of an inner arc of the first clamping handle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222861615.6U CN218960896U (en) | 2022-10-28 | 2022-10-28 | Femoral tuberosity fracture reposition forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222861615.6U CN218960896U (en) | 2022-10-28 | 2022-10-28 | Femoral tuberosity fracture reposition forceps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218960896U true CN218960896U (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222861615.6U Active CN218960896U (en) | 2022-10-28 | 2022-10-28 | Femoral tuberosity fracture reposition forceps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218960896U (en) |
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2022
- 2022-10-28 CN CN202222861615.6U patent/CN218960896U/en active Active
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