Production method of three-layered pointed composite film for improving fracture healing
A technology for fracture healing and manufacturing method, which is applied in medical science, surgery, etc., and 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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[0039] refer to figure 1 , one A method for making a three-layer pointed composite membrane for improving fracture healing, comprising the following steps:
[0040] 1) Make the fracture line after artificial fracture with isolated human bone, pour wax on the fracture line, and then form model 1 after the wax solidifies. Take Model 1 off the fracture line.
[0041] 2) Wet elastic layer, drug layer, and guide layer were prepared separately. The elastic layer was a dense degradable or non-degradable biofilm. The drug layer encapsulated a drug slow-release system that can promote bone healing. The material was A degradable or absorbable material that is biocompatible with human bone, and the material of the guide layer is a porous and loose material that is biocompatible with human bone, degradable or non-degradable, absorbent or non-absorbable;
[0042] 3) Cover the top corner of model 1 with the wet elastic layer, wrap the top corner of model 1 and extend to both sides of the ...
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