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Acetabulum prosthesis

An acetabular prosthesis and acetabular technology, applied in the field of acetabular prosthesis, can solve the problems of acetabular main body ball head and femoral stem falling off, and achieve the effect of increasing stability and

Inactive Publication Date: 2015-08-12
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 prosthesis to solve the problem that the acetabular main body is easy to fall off from the ball head and the femoral stem in the prior art

Method used

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Embodiment Construction

[0024] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0025] Such as Figures 1 to 2 As shown, the present invention provides an acetabular prosthesis, which includes an acetabular main body 10 and an anti-off sheath 30 , and the anti-off sheath 30 is connected with the acetabular main body 10 .

[0026] In this embodiment, the acetabular main body 10 is provided with an anti-disengagement sleeve 30, which increases the stability of the hip joint after assembly and the degree of activity sensitivity of the hip joint, so as to solve the problem that the acetabular main body is easy to fall off from the femoral stem.

[0027] In this embodiment, the connection end between the acetabular main body 10 and the femoral stem 20 is provided with an anti-...

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Abstract

The invention provides an acetabulum prosthesis. The acetabulum prosthesis comprises an acetabulum body and a falling-off prevention cover which is connected with the acetabulum body. The falling-off prevention cover is arranged on the acetabulum body and connected with the acetabulum body, the combined stability and the moving flexibility of an articulatio coxae are increased, and the problem that in the prior art the acetabulum body is prone to falling off from a femoral component is solved.

Description

technical field [0001] The invention relates to the technical field of medical equipment, in particular to an acetabular prosthesis. Background technique [0002] In the current hip replacement technology, sometimes due to poor prosthesis design or incorrect surgical installation angle, the joint stability after prosthesis implantation is not good, which makes the ball head prosthesis protrude from the acetabular prosthesis, resulting in hip joint failure. dislocation. [0003] Inventing a hip joint prosthesis that can ensure a stable positional relationship between the acetabular component and the femoral component in the hip joint prosthesis, prevent dislocation, and at the same time ensure a good range of motion is to meet the current market demand and improve hip joint prosthesis. Good measure of body dislocation risk. The combination of the acetabular prosthesis and the hip joint in the prior art is not stable enough, so that the main body of the acetabular prosthesis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/34
Inventor 马淑芹
Owner BEIJING AKEC MEDICAL