Star-shaped sharp biological membrane
A biofilm and font technology, applied in tissue regeneration, medical science, surgery, etc., can solve the problems of small fracture area, ineffective fit, biocomposite film degradation speed and time performance indicators that cannot meet clinical needs, etc.
Inactive Publication Date: 2018-02-02
锡山区东港晓鸣电子产品经营部
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- Description
- Claims
- Application Information
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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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Embodiment Construction
[0030] refer to figure 1 1. Star-shaped pointed biofilm, including a hollow biofilm 1 folded into a star-shaped section, with four "V"-shaped corners and the cross-section of the corners coincides with the fracture line section. The biofilm 1 is divided from the inside to the outside. It is an elastic layer and a drug layer. The elastic layer is a dense degradable or non-degradable biofilm. The material of the drug layer is a degradable or non-degradable, absorbent or non-absorbable or porous material that is biocompatible with human bone. Drugs that can promote bone healing are also encapsulated inside the layer.
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The invention provides a star-shaped biofilm, which includes a hollow biofilm folded into a star-shaped cross-section, with four apex angles in the shape of a "V" and the cross-section of the apex angles coincides with the cross-section of the fracture line. The biofilm is divided from the inside to the outside. It is an elastic layer and a drug layer. The elastic layer is a dense degradable or non-degradable biofilm. The material of the drug layer is a degradable or non-degradable, absorbent or non-absorbable or porous material that is biocompatible with human bone. Drugs that can promote bone healing are also encapsulated inside the layer.
Description
technical field [0001] The present invention relates to star-shaped biofilms. 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 human tissue on the growth ...
Claims
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Patent Timeline
Login to View More IPC IPC(8): A61L31/14A61L31/16A61L31/04A61L31/02A61L31/00
CPCA61L31/146A61L31/005A61L31/028A61L31/042A61L31/047A61L31/12A61L31/148A61L31/16A61L2300/30A61L2300/414A61L2430/02
Inventor 王玉英
Owner 锡山区东港晓鸣电子产品经营部