Preparation method for implantable medical biological materials of animal origin
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United States of America Patent
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May 9, 2017
Grant Date -
Apr 14, 2016
app pub date -
Aug 8, 2013
filing date -
May 28, 2013
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Abstract
The present invention provides a preparation method for implantable medical biological material of animal origin comprising the following procedures: Pre-processing, and washing of animal tissue materials; inactivation of virus; decellularizing cell; sodium chloride processing; molding and packaging sterilization. Cell-free ECM materials of animal origin produced by this method can achieve the goal of completely removing cell components of animal origin and composition of DNA, and at the same time, the natural ECM composition, three-dimensional structure and active growth factor which can induce and promote tissue regeneration retain. By using this process, endotoxin, organic solvents and toxic solvent residue are thus omitted and products with different sizes, thickness and mechanical strength can be formed.
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