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OwnerSteven F. Badylak, Robert J. Demeter +3inventors
InventorsSteven F. Badylak, Robert J. Demeter, Michael Hiles, Sherry Voytik, Peter M. Knapp, Jr.
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A fluidized, injectable tissue graft composition is described. The composition comprises comminuted intestinal submucosa or protease-digested intestinal submucosa. Methods for the preparation and use of injectable tissue graft compositions are described. In preferred embodiments the tissue graft material is prepared from the intestinal submucosa comprising the tunica submucosa, the muscularis mucosa and the stratum compactum of a segment of intestinal tissue of a warm-blooded vertebrate. Effective amounts of the fluidized graft compositions can be injected to promote repair tissue defects by inducing formation of endogenous tissues.
A method for surgical reconstruction of a collagenous meniscus at the interface of articulating bones, said method comprising the step of surgically implanting into said interface a meniscus graft comprising a sheet of a first tissue graft composition comprising the tunica submucosa and basalar portions of the tunica mucosa of a segment of intestine of a warm-blooded vertebrate, said sheet being formed into a sealed pouch and filled with a second tissue graft composition comprising comminuted or protease digested tunica submucosa and basalar portions of the tunica mucosa of a segment of intestine of a warm-blooded vertebrate.
A tissue graft construct comprising a sheet of a first tissue graft composition comprising the tunica submucosa and basalar portions of the tunica mucosa of a segment of intestine of a warm-blooded vertebrate, said sheet being formed into a sealed pouch and filled with a second tissue graft composition comprising comminuted or protease digested tunica submucosa and basalar portions of the tunica mucosa of a segment of intestine of a warm-blooded vertebrate.
Dependencies are inferred from the claim text.