Three-layer sharp compound film for improving fracture healing
A fracture healing and composite membrane technology, which is applied in medical science, surgery, etc., can solve the problems of large volume and area of biocomposite membrane, inability to fit effectively, and biocomposite membrane degradation speed and time performance indicators cannot meet clinical needs.
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[0033] refer to figure 1 , one A three-layer pointed composite film for improving fracture healing, comprising an elastic layer 1, a drug layer 2, and a guide layer 3 from the inside to the outside, the elastic layer 1 is a dense degradable or non-degradable biofilm, and the drug layer 2 contains Sealed with a slow-release drug system that can promote bone healing, the material is a biodegradable or absorbable material that is biocompatible with human bone, and the material of the guide layer 3 is biodegradable or biocompatible with human bone. Non-degradable, absorbent or non-absorbent porous substance. The biological microstructure membrane is a strip-shaped folded structure with a "V"-shaped cross section, the innermost part is the elastic layer 1, and the outermost part is the drug layer. The width and depth ratio of the "V"-shaped cross-section is 1, which is Width is the gap between broken bone surfaces that are spliced together after fracture surgery.
[0034] The...
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