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Diamond and pointed three-layer biological membrane

A biofilm and diamond-shaped technology, which is applied in medical science, surgery, etc., can solve the problems of large volume area of ​​biocomposite membranes, degradation speed and time performance indicators of biocomposite membranes cannot meet clinical needs, and cannot be effectively bonded.

Inactive Publication Date: 2018-01-26
锡山区东港晓鸣电子产品经营部
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. The biocomposite membrane has a relatively large volume area and a small fracture area, and 2 cannot be effectively fitted and fixed together
[0005] 2. The limitations of the current biocomposite membrane materials and manufacturing process lead to performance indicators such as the degradation rate of the biocomposite membrane and the time for the carried growth factors to release the effective drug concentration (the duration of the effective concentration is the key to the healing quality of the fracture line) Unable to meet clinical needs

Method used

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  • Diamond and pointed three-layer biological membrane
  • Diamond and pointed three-layer biological membrane

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Embodiment Construction

[0031] refer to figure 1 1. Rhombus-shaped pointed three-layer biofilm 1, including a diamond-shaped cross-section, a "V"-shaped long-side vertex and a hollow diamond-shaped biofilm whose vertex angle matches the fracture line cross-section. The inner layer of the biofilm is an elastic layer, which is Dense degradable or non-degradable biofilm, the middle layer is a drug layer, encapsulated with a drug slow-release system that can promote bone healing, and the material is a degradable or absorbable material that is biocompatible with human bone. The material of the outer guide layer is degradable or non-degradable, absorbable or non-absorbable porous and loose material that is biocompatible with human bone. Cut the hollow diamond-shaped biofilm to form two "V"-shaped biofilms 2 .

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Abstract

The invention provides a diamond and pointed three-layer biological membrane. The biological membrane comprises a diamond biological membrane which has a diamond section, V-shaped vertex angles on thelong edges as well as matched vertex angles and fracture line section and is hollow inside, wherein the inner layer of the biological membrane is an elastic layer which is a compact and degradable ornon-degradable biological membrane, the middle layer is a drug layer, wraps a drug sustained release system with a promoting function on bone healing and is made of a degradable or absorbable material with good biocompatibility with human bone, and the outer layer is a guide layer and is made of a degradable or non-degradable and absorbable or non-absorbable porous bulk material with good biocompatibility with human bone.

Description

technical field [0001] What the present invention relates to is a rhombus-shaped three-layer biofilm. Background technique [0002] At present, it is a frontier field of medical research to use a biocomposite film containing growth factors / stem cells to stick to the fracture line to enhance the speed and quality of fracture healing. There are blood vessels and bone cells distributed on the inner surface of the fracture line (anastomosis line), and whether the healing is good depends on the growth of blood vessels and bone cells in the fracture line. The reason why biofilm sticking to the surface of fracture anastomosis can increase the quality of fracture healing is that on the one hand, the drugs encapsulated in the biofilm can promote the growth of blood vessels and bone cells in the fracture anastomosis, and on the other hand, the biological The membrane isolates external muscles and other human tissues from the fracture anastomotic line, and prevents the reaction of h...

Claims

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Application Information

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IPC IPC(8): A61L31/02A61L31/04A61L31/06A61L31/14A61L31/16
Inventor 王全宝
Owner 锡山区东港晓鸣电子产品经营部
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