Biological rack material for articular cartilage and its prepn process
A technology for articular cartilage and biological scaffold, which is applied in the field of biological material preparation, can solve the problems of fast degradation of scaffold materials, lack of mechanical strength, and difficulty in shaping, and achieves good tissue compatibility, low price, and easy results.
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[0019] Example: The specific preparation method of the articular cartilage bio-scaffold material with a weight ratio of natural cartilage matrix components and type II collagen of 4:1, a porosity of 90%, and an average pore diameter of 100 μm.
[0020] 1. Extract the extracellular matrix components of articular cartilage, and extract and process according to the following procedures:
[0021] 1) Take fresh pig articular cartilage, try not to get the subchondral bone part, weigh about 200g, use a lathe to grind it into debris with an average size of about 3mm×3mm.
[0022]2) Soak the cartilage debris in a large beaker filled with 0.5M HCl solution for 72 hours, remove the inorganic substances in the bone tissue components that may be mixed, and rinse with distilled water
[0023] 3) Take out the cartilage debris, put it into a large beaker filled with 35% hydrogen peroxide solution, shake and wash it continuously at 35-38°C for 36 hours, and rinse it with distilled water;
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