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Knee joint prosthesis

A technology of knee joint prosthesis and main body, applied in the field of knee joint prosthesis, can solve the problems of poor versatility of knee joint prosthesis, achieve the effect of improving implantation effect, increasing length and improving versatility

Pending Publication Date: 2021-06-15
BEIJING AKEC MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a knee joint prosthesis to solve the problem of poor versatility of the knee joint prosthesis in the related art

Method used

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  • Knee joint prosthesis
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Embodiment Construction

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0033] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include...

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Abstract

The invention provides a knee joint prosthesis which comprises a tibial plateau, an oversleeve structure and a plug, and the oversleeve structure comprises a first oversleeve and a second oversleeve located below the first oversleeve; wherein at least one of the first oversleeve and the second oversleeve is assembled between the tibial plateau and the plug, and the maximum cross sectional area of the first oversleeve is larger than that of the second oversleeve. According to the technical scheme, the problem that a knee joint prosthesis in the prior art is poor in universality is effectively solved.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a knee joint prosthesis. Background technique [0002] The knee joint is the main joint of the lower limbs, and its structure and function are the most complex among human joints. At the same time, the knee joint is also one of the most vulnerable joints. Knee replacement surgery is an effective means of treating severe lesions and deformities of the knee joint. Successful knee arthroplasty can significantly relieve knee joint pain, improve knee joint function, and ensure the stability of lower limb standing and joint activities required for daily life in a long period of time. [0003] At present, for bone defects in the proximal tibia, cone-shaped or sleeve-shaped prostheses are usually used for filling and fixation. The cone-shaped prosthesis can effectively fill the bone defect in the proximal tibia, but the cone-shaped prosthesis cannot form an effective fit with ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/38A61F2/30
CPCA61F2/389A61F2/30734A61F2002/30331A61F2002/30354A61F2002/30604A61F2002/30607
Inventor 张帅刘昆玺李志疆
Owner BEIJING AKEC MEDICAL
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