Methods for treating implantable biological tissues to mitigate the calcification thereof and bioprosthetic articles treated by such methods
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United States of America Patent
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May 13, 2003
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N/A
app pub date -
Dec 12, 1996
filing date -
Jul 29, 1994
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Abstract
A method for treating fixed biological tissue inhibits calcification of the biological tissue following implantation thereof in a mammalian body. The method includes placing the biological tissue in contact with glutaraldehyde and then heating the glutaraldehyde. Alternatively, methods other than heating (e.g., chemical or mechanical means), for effecting polymerization of the glutaraldehyde may also be utilized. Alternatively, the tissue may be heat treated prior to fixing thereof. Alternatively, methods other than glutaraldehyde may also be used for fixing the tissue. The biological tissue may be so treated at any time prior to implantation thereof in a mammalian body.
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