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High molecular human body implant and its preparing method and use

A technology of implants and polymers, applied in medical science, surgery, surgical instruments, etc., can solve the problems of easy sinus tracts, patient pain, and low degradation speed and strength, and achieve the effect of reducing prices and expanding the scope of application

Inactive Publication Date: 2005-07-13
刘建宇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, fixation rods and bone screws made of (PLA) and (PGA) can only be used for the reconnection of broken bones in the human body with small force loads, such as palm joints, ankle joints, etc.
[0007] 3. Easy to produce sinus tract
Bring great pain to patients, but also bring inconvenience to medical care
[0009] 4. Because (PLA) and (PGA) degrade too fast and have low strength, as implants in the human body, they can only be made into fixation rods and small-load bone screws, and cannot be used for broken bones and bone joints at places with high stress and high load.

Method used

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Experimental program
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Embodiment Construction

[0021] The sum of all component weight percentages is 100%.

[0022] The above materials, due to the different products required and the different parts of the products, the proportions required for each product are slightly different. The above materials are formed by hot pressing of resin.

[0023] The material of the present invention can be made into various broken bones and then connected to human implants, and human implants of various bone pathways, such as intramedullary nails used for the femur and tibia of the thigh, the humerus of the arm and the broken bone of the radius to connect again ; It can be made into bone splints for shoulder bone fractures; it can also be made into bone implants such as high-strength bone screws and bone sleeves used in human surgery. It can also be made into medical surgical sutures. These above products, due to the different products, the parts implanted in the human body are different in use, and the biochemistry, bioelectricit...

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PUM

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Abstract

The invention discloses a preparation process and method of a human body polymer implant and the application of the implant. The material provided by the present invention is made of the formula provided by the present invention through resin hot pressing. It has high strength and good toughness during the bone healing period after implantation, and its shape can be reprocessed as required; It begins to degrade at four weeks, and can be completely absorbed in one and a half to two years; it does not produce effusion and sinus tracts, and can be made into fixation blocks, plastic blocks, fasteners and sutures for rejoining wounds and broken bones. The cost is greatly reduced, and it is an ideal polymer implant for human body.

Description

Technical field: [0001] The invention relates to a human body absorbable polymer human implant, a preparation method, a product and an application thereof. Background technique [0002] At present, Finland and some European countries have used a kind of polymer human body implant material that can be absorbed by the human body to fix broken bones in medicine, and use this material to make fixation rods and bone screws for fixing broken bones. . This material is made of polyethylene glue (PGA for short) and polypropylene glue (PLA for short) as raw materials through polymer polymerization. (PLA) and (PGA) fixed rods and bone screws have the following disadvantages in medical applications; [0003] 1. About the degree of degradation [0004] After the human implant is implanted into the human body, it should be dissolved or decomposed within an appropriate time without producing harmful substances to the human body. This dissolution or decomposition is called degradation. ...

Claims

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Application Information

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IPC IPC(8): A61B17/56A61L17/10A61L31/04
Inventor 刘建宇
Owner 刘建宇
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