Patent ID: 6437018
Filing Date: 2002-08-20
Classification: A61F,A61K,A61L,C08L

Abstract:
A sterile formable bone composition for application to a bone defect site to promote new bone growth at the site comprising a mixture of demineralized osteoinductive and osteoconductive bone powder with a particle size ranging from about 100 to about 850 microns in an aqueous carrier solution, the bone powder ranging from about 25 to about 35% of the weight of the composition, the carrier comprising a hydrogel component of sodium hyaluronate in a phosphate buffered aqueous solution, said hydrogel component having a high molecular weight ranging from over six hundred thousand to three million Daltons with a stable viscosity at a temperature range from about 22Â° to about 37Â° C. and ranging from about 0.75% to about 5.0% by weight of the aqueous carrier solution, said composition having a pH ranging from about 6.8 to about 7.4.