Round three-layer biological membrane with cross-shaped section
A cross-shaped, biofilm technology, applied in medical science, surgery, etc., can solve the problems of large volume area of biocomposite film, small area of fracture, biocomposite film degradation speed and time performance index can not meet clinical needs and other problems
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[0032] refer to figure 1 , 2 1. A circular three-layer biofilm 1 with a cross-shaped cross-section, including a hollow biofilm folded into a cross-shaped cross-section, with four corners "U", and the cross-section of the corners and the fracture line coincides. The inner layer of the biofilm is The elastic layer is a dense degradable or non-degradable biofilm, and the middle layer is a drug layer, which encapsulates a drug slow-release system that can promote bone healing. The material is biodegradable or biocompatible with human bone. The material to be absorbed, the outer guiding layer, is made of degradable or non-degradable, absorbent or non-absorbable porous and loose material that is biocompatible with human bone.
[0033] After the circular biofilm 1 with a cross-section is cut, four "U"-shaped unit biofilms 2 are formed.
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