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Unicondylar knee joint prosthesis

A knee joint prosthesis and unicondylar technology, applied in the field of orthopedic medicine, can solve the problems of poor stability, large wear of the tibial pad, easy dislocation, etc., and achieve the effect of small wear and good articular surface anastomosis

Inactive Publication Date: 2021-01-01
BEIJING LIDAKANG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing movable platform unicondylar knee prosthesis includes the femoral condyle, tibial pad and tibial tray. The tibial pad has the risk of slipping out of the tibial tray. The tibial pad wears a lot, has poor stability, and is easy to dislocate.

Method used

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  • Unicondylar knee joint prosthesis
  • Unicondylar knee joint prosthesis
  • Unicondylar knee joint prosthesis

Examples

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Embodiment Construction

[0030] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0031] Such as Figure 1-5 As shown, the present embodiment provides a unicondylar knee joint prosthesis, comprising a femoral condyle 10, a tibial pad 15 and a tibial tray 20, the femoral condyle 10 is arranged on the tibial pad 15, and the femoral condyle 10 can rotate relative to the tibial pad 15 The tibial pad 15 is connected to the tibial tray 20 through a sliding device, and the tibial pad 15 can slide relative to the tibial...

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Abstract

The invention provides a unicondylar knee joint prosthesis. The unicondylar knee joint prosthesis comprises a femoral condyle, a tibia pad and a tibia support, wherein the femoral condyle is arrangedon the tibia pad, and the femoral condyle can rotate relative to the tibia pad; the tibia pad is connected with the tibia support through a sliding device, and can slide relative to the tibia support;and the tibia support plays a role in supporting the tibia pad, and besides, the problem that the tibia pad is easy to dislocate when sliding on the tibia support is solved. Through the sliding device, the tibia pad slides on the tibia support and cannot be separated from the tibia support, the dislocation phenomenon cannot occur, and the tibia pad is good in stability and small in abrasion loss.

Description

technical field [0001] The invention relates to the technical field of orthopedic medicine, in particular to a unicondylar knee joint prosthesis. Background technique [0002] The knee joint is the largest and most complex joint in the human body. It belongs to the pulley joint and is the most important load-bearing joint of the lower limbs of the human body. Facing serious knee diseases, knee replacement surgery is a common disease treatment method. The existing movable platform unicondylar knee joint prosthesis includes femoral condyle, tibial pad and tibial tray. The tibial pad has the risk of slipping out from the tibial tray. The tibial pad has a large amount of wear, poor stability and is easy to dislocate. Contents of the invention [0003] The invention provides a unicompartmental knee joint prosthesis. Existing knee prostheses have the following problems, [0004] The tibial tray is at risk of slipping out of the tibial pad, which is subject to high wear, poor ...

Claims

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Application Information

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IPC IPC(8): A61F2/38
CPCA61F2/3859A61F2/389A61F2/3886A61F2002/30329A61F2002/30518
Inventor 张亚鹏张天宇蔡宝存马淑芹
Owner BEIJING LIDAKANG TECH
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