Absorbable topical hemostat
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United States of America Patent
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Oct 21, 1997
Grant Date -
N/A
app pub date -
Apr 26, 1995
filing date -
Nov 2, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
An absorbable spun, cotton-like topical hemostat containing fibers entangled with each other and being made of atelcollagen obtained by reconstituting solubilized collagen. Each of the fibers has a diameter of 10 to 70 .mu.m and a length of 3 to 70 mn. At least a part of the collagen molecules constituting the fibers are crosslinked by heat at a temperature of 50.degree. to 200.degree. C. The hemostat is swellable upon contact with blood. In use, the hemostat readily adapts to the shape of the hemorrhagic site, has an adhesiveness to a bleeding surface and provides an effective suppression of hemorrhage.
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