Batch making method for circular three-layer biofilm
A production method and biofilm technology, which are applied in medical science, surgery, etc., can solve the problems of biocomposite film degradation speed time performance indicators that cannot meet clinical needs, small fracture area, and large biocomposite film volume and area.
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[0033] refer to figure 1 1. A method for producing a circular three-layer biofilm in batches, comprising the following steps:
[0034] 1) A model 2 with an elliptical cross-section and a "U"-shaped apex angle on the long side that coincides with the fracture line section is made in advance;
[0035] 2) The model is immersed in the first solution layer, the second solution layer, and the third solution layer in sequence. The first solution forms an elastic layer, which is a dense degradable or non-degradable biofilm. The second solution layer forms a drug layer, which encapsulates The drug slow-release system that can promote bone healing is made of degradable or absorbable substances that are biocompatible with human bone. The third solution layer forms a guiding layer, and the material is biocompatible with human bone. Degradable or non-degradable, absorbent or non-absorbable porous and loose substances;
[0036] 3) After the biological microstructure membrane 1 is air-drie...
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