Method of preparing collagenous tissue

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert

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424423, 424548, 424549, 424569, 424572, 424583, 530356, 514 21, 623901, A61F 1300, A61F 200, A61K 3534, A61K 3817

Patent

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055588751

ABSTRACT:
A process of preparation of a collagenous prosthesis for removing cell membrane proteins from a biological collagenous tissue and preserving elasticity of the collagenous prosthesis comprises the following steps: (a) soaking the tissue in an organic detergent for a sufficient time to disrupt the cell membrane and to solubilize the cellular membrane proteins of the collagenous tissue; (b) extracting and removing the cellular membrane proteins from the collagenous tissue by mechanical washing to obtain the collagenous prosthesis; (c) preserving the collagenous prosthesis in alcohol.

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