A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
167/322
A61L 27/00 (2006.01) A61L 27/36 (2006.01)
Patent
CA 1254839
64680-336 ABSTRACT OF THE DISCLOSURE Mineralization of implantable tissue, such as pericardial tissue for heart valve manufacture, is retarded by treatment of the tissue with a surface active betaine. The tissue is immersed in an aqueous solution of betaine surfactant before, during or after fixation.
488535
Torrianni Mark W.
Zadro Rebecca K.
Shiley Incorporated
Smart & Biggar
LandOfFree
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