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Distal femur prosthesis

A distal and femoral technology, applied in the direction of joint implants, joint implants, elbow joints, etc., can solve the problems affecting the range of knee joint flexion and displacement, unfavorable stability of femoral prosthesis, etc., to reduce morbidity , relieve pain, reduce the effects of abnormal shifting or translation

Inactive Publication Date: 2020-05-01
BEIJING LIDAKANG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, the morphological characteristics of the articular surface in the above patent documents will affect the flexion range and displacement of the knee joint, and are not conducive to the stability of the femoral prosthesis

Method used

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  • Distal femur prosthesis
  • Distal femur prosthesis
  • Distal femur prosthesis

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Embodiment Construction

[0026] The specific implementation manner of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0027] The specific technical scheme is as follows: a kind of distal femur prosthesis, comprises femoral condyle, tibial support component 9, tibial plateau 11; Described femoral condyle is positioned at the top of described tibial support component 9, and described tibial support component 9 is positioned at described tibia The top of platform 11 is characterized in that, described femoral condyle comprises slot 14, condyle area; Described slot divides condyle area into two condyles; Described condyle area comprises joint surface 15, articular surface in the condyle, described The joint surface 15 inside the condyle and the articular surface are integrally designed, and the joint surface formed by the two condyles and the articular surface constitutes the articular surface 16 of the patella for matching with the patella assembly....

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Abstract

The present invention provides a distal femur prosthesis and relates to the technical field of medical devices. The distal femur prosthesis comprises a femur condyle, a tibia support component and a tibia platform; the femur condyle is positioned on the tibial support component, the tibial support component is positioned on the tibial platform, and the femur condyle is characterized by comprisinga narrow groove and a condyle area; the narrow groove divides the condyle area into two condyles; the condyle area comprises a condyle internal joint surface and a joint surface, the condyle internaljoint surface and the joint surface are designed into a whole, and a connecting surface formed by the two condyles and the joint surface jointly forms a patella joint curved surface matched with a patella component. Matching of a groove of the patella joint curved surface and a projection on the tibial support component provides stability to the femur prosthesis, also helps reduce abnormal displacement or translation of entire knee joints and also facilitates enhancing tracking of patellofemoral joints.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a distal femur prosthesis. Background technique [0002] The femur, also known as the femur, the thigh bone, or the femur, is the longest tubular bone in the human body. The upper end forms the hip joint with the femoral head and the acetabulum, and the lower end forms the knee joint with the patella and the upper end of the tibia to support the body weight; the distal end of the femur is further divided into the supracondylar area of ​​the femur (from the femoral condyle to the distal femoral metaphysis) and the intercondylar area. area (including the femoral condyle and the articular surface of the distal femur). [0003] Fractures around the femur are on the rise. With the continuous increase in the number of femoral prosthesis replacement and revision operations, the increase in patient life expectancy, and the continuous innovation of clinical prosthesis technol...

Claims

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Application Information

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IPC IPC(8): A61F2/38
CPCA61F2/3859
Inventor 郝改平
Owner BEIJING LIDAKANG TECH
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