METHOD OF MAKING FLEXIBLE BIORESORBABLE HEMOSTATIC PACKING AND STENT HAVING A PRESELECTABLE IN-VIVO RESIDENCE TIME
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United States of America Patent
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app pub date -
Nov 30, 2010
filing date -
Sep 10, 2004
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Abstract
The invention provides a method of making flexible bioresorbable foam having hemostatic properties and a preselectable in-vivo residence time. A blend of crosslinked collagen blended and a hyaluronic acid component is prepared. The blend is mixed with water to form a suspension. The blend is freezed and lyophilized at less than about 0° C. Next, the blend is crosslinked. The product is then sterilized and chain scission is performed by bombardment with gamma rays or a beam of electrons.
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