A prosthesis structure

A technology of prosthesis and hip joint prosthesis, which is applied in the field of medical treatment, can solve the problems of low structural life of the prosthesis, improve safety and reliability, prevent damage to the human body, and increase life expectancy

Inactive Publication Date: 2016-11-16
BEIJING AKEC MEDICAL
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The main purpose of the present invention is to provide a kind of prosthesis structure, to solve the problem that the life-span of the prosthesis structure in the prior art is lower

Method used

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  • A prosthesis structure

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Embodiment Construction

[0020] 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.

[0021] The present invention provides a prosthesis structure, please refer to figure 1 , the prosthesis structure includes a prosthesis main body 10, and the prosthesis structure further includes a protective coating, and the protective coating is coated on the outer surface of the prosthesis main body 10.

[0022] The prosthesis structure in the present invention includes a prosthesis main body 10 and a protective coating coated on the prosthesis main body 10. Since the protective coating is coated on the outer surface of the prosthesis main body 10, the protective coating can wrap The material is Ti 6 Al 4 The outer surface of the prosthesis main body 10 of V alloy prevents the aseptic loo...

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Abstract

The invention provides a prosthesis structure comprising a prosthesis main body and further comprising a protective coating applied to the outer surface of the prosthesis main body. The prosthesis structure comprises the prosthesis and the protective coating covering the prosthesis main body; the protective coating is applied to the outer surface of the prosthesis main body, so that the protective coating can cover the outer surface of the prosthesis main body made of Ti6Al4V alloy, the phenomenon of aseptic loosening of the prosthesis caused by Al and V ion release is avoided, the service life of the prosthesis is prolonged, damage to human bodies caused by Al ions and V ions can be prevented and the safety and reliability of using the prosthesis are improved.

Description

technical field [0001] The invention relates to the field of medical treatment, in particular to a prosthesis structure. Background technique [0002] Ti 6 Al 4 V alloy is widely used in the medical field because of its superior properties such as better biocompatibility, corrosion resistance, high strength, and elastic modulus similar to that of cortical bone. However, long-term use in the human environment will release Al and V ions. Al and V ions are toxic, carcinogenic and teratogenic to the human body. Moreover, Al can positively shift the surface potential of Ti, which will lead to the deposition of fibrin and form thrombus in the environment in contact with thrombus fluid. This reduces the safety and reliability of material use. [0003] At present, most of the hip joints and some knee joints are made of Ti 6 Al 4 V alloy, and then do corresponding modification on the articular surface to increase its wear resistance and hardness. The bone interface does not r...

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Application Information

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IPC IPC(8): A61F2/32A61L27/30A61L27/06
CPCA61F2/32A61L27/06A61L27/306A61L2430/02
Inventor 孟德松许奎雪庞博
Owner BEIJING AKEC MEDICAL
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