Bioresorbable Calcium-Deficient Hydroxyapatite Hydrogel Composite

• US 20090074837A1
• Filed: 09/19/2007
• Published: 03/19/2009
• Est. Priority Date: 09/19/2007
• Status: Abandoned Application

• Current Assignee: University of Tennessee Research Foundation (University of Teesside), UT-Battelle LLC
• Original Assignee: UT-Battelle LLC
• Inventors: Hutchens, Stacy A., Benson, Roberto, Evans, Barbara R., O'Neill, Hugh M.
• Application Number:
  US11/857,648
• Publication Number:
  US 20090074837A1
• Time in Patent Office: Days
• US Class Current: 424/426
• CPC Class Codes: A61L 2430/02 for reconstruction of bones; weight-bearing implants
• CPC Class Codes: A61L 27/46 with phosphorus-containing inorganic fillers
• CPC Class Codes: A61P 19/00 Drugs for skeletal disorders
• CPC Class Codes: C08L 1/04 Oxycellulose; Hydrocellulose , e.g. microcrystalline cellulose

Abstract

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.

Claims