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Bone ingrowth prosthesis with isolation layer

A technology of isolation layer and prosthesis, applied in the direction of prosthesis, bone implants, joint implants, etc., can solve the problem that the penetration depth is not easy to control, and achieve the effect of blocking erosion and enhancing the holding force

Active Publication Date: 2019-01-08
TRAUSON CHINA MEDICAL INSTR COMPANY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, most of the current orthopedic porous metal spacers are integrally porous materials, which have no pressurizing effect on the bonding bone cement, and the infiltration depth is not easy to control, which relatively squeezes the porous space for bone ingrowth.

Method used

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  • Bone ingrowth prosthesis with isolation layer

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Embodiment Construction

[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0017] In the present invention, terms such as "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense, for example, it can be a fixed connection or a detachable connection, unless otherwise clearly specified and limited. , or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

[0018] like figure 1 Shown is the bone ingrowth prosthesis with the isolation layer of the present invention, the prosthesis has a surface layer 1 and a bone ce...

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Abstract

The invention belongs to the technical field of bone ingrowth prostheses, and particularly relates to a bone ingrowth prosthesis with an isolation layer. The prosthesis is provided with a surface layer and a bone cement binding layer, a screw hole is formed in the prosthesis, the bone cement entity isolation layer is arranged at the position, close to the bone cement binding layer, inside the prosthesis, and the surface is provided with an exposed face entity isolation layer. According to the bone ingrowth prosthesis with the isolation layer, screw holding force is not enhanced, and erosion of joint fluid on the bone ingrowth face is blocked.

Description

technical field [0001] The invention belongs to the technical field of bone ingrowth prosthesis, in particular to a bone ingrowth prosthesis with an isolation layer. Background technique [0002] Porous biomaterials, including biocompatible metal materials such as titanium or titanium alloys, have the characteristics of cell tissue, especially bone cell ingrowth. At the same time, it also has other functions, such as combining with bone cement to play a bonding role, and can also be combined with bone screws to strengthen the fixation of the prosthesis. However, most of the current orthopedic porous metal spacers are integrally porous materials, which have no pressurizing effect on the bonding bone cement, and the infiltration depth is difficult to control, which relatively squeezes the porous space for bone ingrowth. Contents of the invention [0003] The object of the present invention is to provide a bone ingrowth prosthesis with an isolation layer, which not only enha...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/28A61F2/30
CPCA61F2/30A61F2002/30001
Inventor 王爱国
Owner TRAUSON CHINA MEDICAL INSTR COMPANY
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