Acetabular cup prosthesis

An acetabular cup and prosthesis technology, applied in the field of acetabular cup prosthesis, can solve the problems of poor fit between the acetabular fossa and the acetabular outer cup prosthesis, and the contact area cannot be adjusted.

Active Publication Date: 2022-04-19
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 an acetabular cup prosthesis to solve the non-adjustable contact area between the acetabular cup prosthesis and the acetabular socket in the related art, so that the acetabular socket and the acetabular socket of some patients are false. Consideration for poor fit issues

Method used

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  • Acetabular cup prosthesis
  • Acetabular cup prosthesis
  • Acetabular cup prosthesis

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Embodiment Construction

[0035] 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.

[0036] 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 an acetabular cup prosthesis, comprising: an inner cup body with a mouth; an adjusting outer cup sleeved on the outside of the inner cup body; a plurality of adjustment columns arranged along the circumference of the acetabular cup prosthesis A plurality of adjusting columns can be movably installed between the inner cup body and the adjusting outer cup, so that the adjusting outer cup can move between an initial retracted position and an expanded position. The technical solution of the present application can effectively solve the problem in the related art that the contact area between the acetabular cup prosthesis and the acetabular socket cannot be adjusted, which makes the fit between the acetabular socket and the acetabular cup prosthesis not good in some patients .

Description

technical field [0001] The invention relates to the field of joint prosthesis, in particular to an acetabular cup prosthesis. Background technique [0002] Total hip replacement is a relatively mature operation at present, which can effectively help patients with hip joint diseases and improve the lives of patients. Total hip replacement prosthesis includes acetabular side prosthesis and femoral side prosthesis, and common acetabular side prosthesis includes acetabular outer cup, inner liner and ball head. [0003] The existing acetabular outer cup prosthesis generally adopts a one-piece design metal prosthesis, the outer surface of the acetabular outer cup is in contact with the patient's acetabular fossa through bone cement or biological coating, and the inner surface matches the acetabular lining. The shape of the acetabular outer cup is generally hemispherical or ellipsoidal in which the diameter of the cup opening is greater than the height, and it is in contact with t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/34
CPCA61F2/34A61F2002/30329A61F2002/30092A61F2002/3006A61F2002/30426
Inventor 刘敏
Owner BEIJING AKEC MEDICAL
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