CN215739683U

CN215739683U - Femoral prosthesis implantation anteversion angle positioning device for hip replacement

Info

Publication number: CN215739683U
Application number: CN202023184705.3U
Authority: CN
Inventors: 夏冰; 张永华; 刘振鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2022-02-08
Anticipated expiration: 2030-12-25

Abstract

A femoral prosthesis implantation anteversion angle positioning device for hip replacement comprises a splint, a manual control fixing screw, a sleeve and a kirschner wire; the clamping plate is arranged into a U-shaped structure, a threaded hole is formed in the center of one side of the clamping plate, and a manual control fixing screw is arranged in the threaded hole; a sleeve is arranged on the other side of the clamping plate, a Kirschner wire can be inserted into the sleeve, and the Kirschner wire can be detached; the number of the sleeves is two, the sleeves are symmetrically distributed on the splint, an included angle between each sleeve and the inner side of the splint is 75 degrees, when the Kirschner wire is inserted into the sleeves and forms a 105-degree angle with the outer side of the splint, the splint is fixed on the femoral prosthesis implantation handle through hand-controlled screws, and when the Kirschner wire is parallel to the axis of the crus of the bent knee 90, the femoral prosthesis implantation anteversion angle is 15 degrees. The device simple structure, can be convenient with the most current brand thighbone prosthesis implantation handle be connected, the anteversion angle that easy accurate judgement thighbone prosthesis was implanted.

Description

Femoral prosthesis implantation anteversion angle positioning device for hip replacement

Technical Field

The utility model relates to a hip joint replacement technical field, concretely relates to hip joint replacement thighbone false body implants anteversion angle positioner.

Background

Artificial hip joint replacement is one of the most common effective means for treating various serious hip joint diseases at present, and is a method for implanting an artificial joint into a human body through an orthopedic replacement operation to replace the damaged hip joint of the human body, so that a patient can well recover the physiological function of the hip joint, relieve pain, improve mobility and improve life quality.

At present, when the artificial hip joint replacement operation is carried out, various angles, depths, matching degrees and the like of the implantation of the artificial joint prosthesis need to be effectively controlled, so that the quality of the replacement operation is ensured, and good functional recovery after the operation is realized. The control of the implantation anteversion angle of the femoral prosthesis at 15 degrees is an important index, but a simple, convenient and accurate professional positioning tool is lacked at present, and often, a doctor judges and controls the femoral prosthesis according to visual inspection and experience during operation, so that errors are easily caused, the recovery of joint functions after the operation is influenced, serious patients can cause early dislocation of artificial joints, the operation is rebuilt again, the pain and the economic burden of the patients are increased, and the physical health of the patients is seriously influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model designs a femoral prosthesis implantation anteversion angle positioning device for hip arthroplasty; the device has simple structure, can be connected with most of femoral prosthesis implantation handles of the existing brands, and accurately and conveniently controls the anteversion angle to be 15 degrees when the femoral prosthesis is implanted.

In order to achieve the technical purpose and achieve the technical effects, the utility model is realized by the following technical scheme:

a femoral prosthesis implantation anteversion angle positioning device for hip replacement comprises a splint, a manual control fixing screw, a sleeve and a kirschner wire; the clamping plate is arranged into a U-shaped structure, a threaded hole is formed in the center of one side of the clamping plate, and a manual control fixing screw is arranged in the threaded hole; a sleeve is arranged on the other side of the clamping plate, a Kirschner wire is inserted into the sleeve, and the Kirschner wire can be detached;

the sleeve is provided with two sleeves which are symmetrically distributed on the splint, the included angle between the sleeves and the inner side of the splint is 75 degrees, so that the Kirschner wire is inserted into the sleeve and forms 105 degrees with the outer side of the splint, the splint is fixed on the femoral prosthesis implantation handle by hand-controlled screws, and when the Kirschner wire is parallel to the axis of the crus of the bent knee 90, the anteversion angle of the femoral prosthesis is 15 degrees.

Furthermore, the clamping plate, the sleeve and the manual control fixing screw are all made of stainless steel.

Further, the kirschner wire is a kirschner wire in the prior art.

The utility model has the beneficial effects that: a femoral prosthesis implantation anteversion angle positioning device for hip replacement has the following advantages:

1. the femoral prosthesis implanting handle is provided with a clamping plate, a sleeve is arranged on the clamping plate, a Kirschner wire is arranged on the sleeve, the outer side angle of the sleeve and the clamping plate is 105 degrees, the femoral prosthesis implanting handle is fixed on the femoral prosthesis implanting handle through the clamping plate, whether the implanting anteversion angle of the femoral prosthesis is 15 degrees or not can be judged by judging whether the Kirschner wire is parallel to the axis of a shank of a bent knee 90, the length of a force line is increased through the Kirschner wire, and whether two lines are parallel or not can be accurately and visually observed easily.

2. The manual control fixing screw is arranged on the splint, and the device is fixed on most of femoral prosthesis implantation handles of the existing brands through the manual control fixing screw, so that the device is easy to disassemble, convenient to use and good in universality.

3. The sleeve pipe is provided with two symmetrical sleeves, the use on the left side and the right side can be met, and the Kirschner wire is directly inserted into the sleeve pipe and is convenient to use.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic axial view of a hip arthroplasty femoral prosthesis implantation anteversion positioning device;

fig. 2 is a front view structural diagram of a hip replacement femoral prosthesis implantation anteversion angle positioning device.

In the drawings, the components represented by the respective reference numerals are listed below:

1-splint, 2-manual control fixing screw, 3-sleeve and 4-Kirschner wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-2, a femoral prosthesis implantation anteversion angle positioning device for hip arthroplasty comprises a splint 1, a manual control fixing screw 2, a sleeve 3 and a kirschner wire 4; the clamp plate 1 is arranged into a U-shaped structure, a threaded hole is formed in the center of one side of the clamp plate 1, and a manual control fixing screw 2 is arranged in the threaded hole; the other side of splint 1 is provided with sleeve pipe 3, the interpolation of sleeve pipe 3 has ke shi needle 4, ke shi needle 4 can be dismantled.

The two sleeves 3 are symmetrically distributed on the splint 1, the included angle between each sleeve 3 and the inner side of the splint 1 is 75 degrees, so that the Kirschner wire 4 is inserted into each sleeve 3, the Kirschner wire 4 and the outer side of the splint 1 form a 105 degree angle, the splint 1 is fixed on the femoral prosthesis implantation handle, and when the Kirschner wire 4 is parallel to the axis of the lower leg of the bent knee 90, the implantation anteversion angle of the femoral prosthesis is 15 degrees. The clamping plate 1, the sleeve 3 and the manual control fixing screw 2 are all made of stainless steel. The kirschner wire 4 is a prior art kirschner wire.

When the femoral prosthesis is implanted, the splint 1 is clamped and fixed on the femoral prosthesis implantation handle through the manual control fixing screw 2, the Kirschner wire 4 is inserted into the sleeve 3 to prolong the force line, whether the Kirschner wire 4 is parallel to the axis of the bent knee 90 shank is judged, whether the implantation anteversion angle of the femoral prosthesis is 15 degrees is judged, whether the Kirschner wire 4 is parallel to the axis of the bent knee 90 shank is easy to visually observe because the force line of the Kirschner wire 4 is longer, the judgment is accurate, the two symmetrical sleeves 3 are arranged, the implantation of the femoral prosthesis on the left side and the right side is realized through the two sleeves 3, the device is convenient and quick to use, and the judgment is accurate.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A femoral prosthesis implantation anteversion angle positioning device for hip arthroplasty is characterized by comprising a splint, a manual control fixing screw, a sleeve and a kirschner wire; the center of one side of the clamping plate with the U-shaped structure is provided with a threaded hole, and a manual control fixing screw is arranged in the threaded hole; a sleeve is arranged on the other side of the clamping plate, a Kirschner wire is inserted into the sleeve, and the Kirschner wire can be detached;

the sleeve pipe is provided with two, and the sleeve pipe symmetric distribution is on the splint, the inboard contained angle of sleeve pipe and splint is 75, so the ke shi needle is inserted in the sleeve pipe, and the ke shi needle becomes 105 with the splint outside.

2. The hip replacement femoral prosthesis implantation anteversion positioning device of claim 1, wherein the splint, the sleeve and the manual fixation screw are made of stainless steel.