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Bioresorbable Calcium-Deficient Hydroxyapatite Hydrogel Composite

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
The present invention provides a composite material comprising oxidized bacterial cellulose and calcium-deficient hydroxyapatite, and methods for preparing the composite material. The composite material is useful as a bone graft material. In another embodiment, the invention provides a method for tissue repair in a mammal. The method comprises inserting the composite material into cartilage or bone tissue.
Evans, Barbara R. (Oak Ridge, TN), O'Neill, Hugh M. (Knoxville, TN), Hutchens, Stacy A. (Knoxville, TN), Benson, Roberto (Knoxville, TN)
11/ 857,648
September 19, 2007
[0001] The United States Government has rights in this invention pursuant to contract no. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.