Wrist joint prosthesis

A wrist joint prosthesis and articular surface technology, applied in the field of prosthesis, can solve the problem of easy loosening of the wrist joint prosthesis

Pending Publication Date: 2020-02-28
BEIJING AKEC MEDICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention provides a wrist joint prosthesis to solve the ...

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  • Wrist joint prosthesis
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Embodiment Construction

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative, and in no way serves as any limitation to the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0032] Such as Figure 1 to Figure 9 As shown, the embodiment of the present invention provides a wrist joint prosthesis, which includes a wrist component 10 and a radius component 20. The carpal component 10 includes a carpal body 11 and a locking screw...

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Abstract

The invention provides a wrist joint prosthesis, which comprises a wrist bone component and a radius bone component, wherein the wrist bone component comprises a wrist bone body and locking screws, mounting holes are formed in the wrist bone body, the locking screws are arranged in the mounting holes in a penetrating manner, and a porous structure is arranged at one end of the wrist bone body close to the locking screws; and one end of the wrist bone body far away from the locking screws is abutted against the end part of the radius bone component, and a porous structure is arranged on the radius bone component. Through the technical scheme, the problem of easy loosening of the wrist joint prosthesis in the prior art can be solved.

Description

Technical field [0001] The present invention relates to the technical field of prostheses, in particular to a wrist joint prosthesis. Background technique [0002] At present, degenerative wrist arthritis, rheumatoid arthritis and trauma can all cause severe damage to the wrist joint, causing severe pain and loss of function of the wrist joint. In order to enable patients to resolve pain while retaining the mobility of their wrist joints, wrist joint prostheses are usually implanted into the human body, and wrist joint replacement surgery is used to restore most of the wrist joint functions and solve the patient's pain and deformity problems. [0003] In the prior art, after the total wrist joint prosthesis is implanted into the human body to complete the total wrist joint replacement, there are problems such as loosening, sinking, breaking, and dislocation of the prosthesis. In particular, the incidence of prosthesis loosening is very high, which has become the wrist One of the m...

Claims

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Application Information

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IPC IPC(8): A61F2/42
CPCA61F2/4261A61F2002/30507A61F2002/30515A61F2002/30784A61F2002/4264
Inventor 陈山林马骏
Owner BEIJING AKEC MEDICAL
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