FLOWABLE COLLAGEN MATERIAL FOR DURAL CLOSURE
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United States of America Patent
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Issued Date -
Jan 19, 2012
app pub date -
Sep 23, 2011
filing date -
Apr 23, 2008
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Abandoned
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Abstract
Flowable graft materials are provided which comprise collagen powder and a liquid in an amount sufficient to impart a flowable consistency to the material. The graft materials are sufficiently formable and pliable so as to provide both superior contact with and easier access to a surgical site than typical, more rigid grafts such as collagen sheets. These flowable materials may also be in a fluidized, paste-like and/or gel-like state and may be moldable and/or ejectable. The flowable collagen materials reduce and/or eliminate post implantation problems associated with other materials, e.g. synthetic dural sealants (hemostasis products), such as product swelling after application and implantation. The flowable graft materials are particularly useful as a dural graft.
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