Vascular grafts
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United States of America Patent
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-
May 31, 1988
Grant Date -
N/A
app pub date -
Oct 17, 1985
filing date -
Nov 30, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of producing a vascular graft comprises impregnating a tube of flexible porous material with gelatinous material which contains a gelatin with has been treated to cause it to contain a predetermined number of amino groups less than that normally present in untreated gelatin then treating the impregnated tube to cause the amino groups to form cross links with one another. The gelatin may be treated by reacting it with the anhydride or the chloride of a polycarboxylic acid.
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