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femoral head support prosthesis

A femoral head and prosthesis technology, applied in prostheses, femurs, bone implants, etc., can solve problems such as bone loss of the femoral head, and achieve the effects of preventing bone loss, reducing stress shielding effect, and improving mechanical properties.

Active Publication Date: 2022-05-03
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 femoral head internal support prosthesis to solve the problem of bone loss of the femoral head that is prone to occur due to the stress shielding effect of the prosthesis in the related art

Method used

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Embodiment Construction

[0025] 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.

[0026] 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 femoral head internal support prosthesis, comprising: a tubular porous outer layer with an inner cavity; a reinforcing beam arranged on the inner wall of the tubular porous outer layer, the reinforcing beam includes a head and a main body, and the head includes an elastic The deformation section; the operating part is arranged at the end of the tubular porous outer layer; the fastening structure is arranged on the outer wall of the tubular porous outer layer. The technical solution of the present application effectively solves the problem in the related art that bone loss of the femoral head is prone to occur due to the stress shielding effect produced by the prosthesis.

Description

technical field [0001] The invention relates to the technical field of medical equipment, in particular to a femoral head internal support prosthesis. Background technique [0002] Osteonecrosis of the femoral head (ONFH) is one of the so far unresolved diseases in the field of orthopedics, often leading to severe hip joint dysfunction. According to relevant data, the incidence rate of non-traumatic ONFH in adults in my country is 0.725%, and it is gradually becoming younger. In order to prevent the progression of the disease, protect the femoral head, delay or even avoid total hip arthroplasty, clinically, core decompression is often used for hip-preserving treatment. Core decompression removes the necrotic bone in the femoral head and reduces The high pressure in the bone restores the blood supply in the femoral head, restores the delivery of nutrients and oxygen, and prevents the progression of femoral head necrosis. [0003] In core decompression, commonly used implant...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/28A61F2/30
CPCA61F2/28A61F2/30771A61F2/30942A61F2002/2828A61F2002/2835A61F2002/30565A61F2002/30784A61F2002/3093A61F2002/30985
Inventor 孟德松
Owner BEIJING AKEC MEDICAL
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