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Acetabulum prosthesis

An acetabular prosthesis and acetabular technology, applied in the field of acetabular prosthesis, can solve the problems of poor hip joint function recovery effect, etc., and achieve the effects of early high-strength filling and support, and high stability

Pending Publication Date: 2019-12-20
BEIJING AKEC MEDICAL
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The present invention provides an acetabular prosthesis to solve the problem that the acetabular prosthesis in the prior art has poor function recovery effect on the hip joint for patients with severe bone defects

Method used

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. 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.

[0024] Such as Figure 1 to Figure 3 As shown, the embodiment of the present invention provides a kind of acetabular prosthesis, comprises: acetabular cup 10, has articular surface in the groove of acetabular cup 10; Filling structure 20, is arranged on acetabular cup 10, and fills The struct...

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Abstract

The invention provides an acetabulum prosthesis. An acetabular cup and a filling structure are arranged in the acetabulum prosthesis, and an articular surface is arranged in a groove of the acetabularcup; and the filling structure is arranged on the acetabular cup, the filling structure is located on the side, away from the articular surface, of the acetabular cup, at least one part of the filling structure is used for filling a defective acetabular fossa to support the acetabular cup, and at least one part of the filling structure is made of absorbable alloy. Due to the fact that the fillingstructure is connected with the acetabular cup, after implantation, the filling structure supports the acetabular cup, dislocation and slippage between the filling structure and the acetabular cup are avoided, and stability is high; and moreover, at least one part of the filling structure is made of the absorbable alloy so that the absorbable alloy can be gradually absorbed by a human body afterlong-term implantation and can be replaced by newly grown bones, thereby realizing bone reconstruction. Therefore, through the technical scheme, the effects of early-stage high-strength filling and supporting and middle-and-long-term bone reconstruction can be achieved.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to an acetabular prosthesis. Background technique [0002] With the widespread development of artificial joint replacement, more and more patients need surgery, and artificial joint revision has become a routine operation. For the extensive bone defect of the acetabulum after hip replacement and the bone loss around the knee joint, there are many clinical reconstruction methods, one of which is bone grafting, the main purpose is to restore sufficient bone mass and mechanics as much as possible initial stability characteristics. [0003] Bone defects are very common in arthroplasty revision. For small defects, granular bone grafting, structural bone grafting, or enlarged diameter of the revision prosthesis can be used to reconstruct small defects, and good results can be obtained. When the defect is serious, revision is often very difficult. The difficulty lies in the lack ...

Claims

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Application Information

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IPC IPC(8): A61F2/34A61F2/30
CPCA61F2/34A61F2/30771A61F2002/3483A61F2002/30329A61F2002/30784
Inventor 王彩梅
Owner BEIJING AKEC MEDICAL
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