Patent ID: 7544212
Filing Date: 2009-06-09
Classification: A61F,A61L,A61P

Abstract:
1. A bone implant composite comprising a swollen, freeze-dried and crosslinked collagen matrix and a calcium-based mineral, the calcium-based mineral having a particle size of 25-2000 μm and being interspersed in the collagen matrix; wherein the bone implant composite contains 3-60% by weight the collagen matrix and 40-97% by weight the calcium-based mineral, and has a pore size of 50-500 μm, a density range of 0.02-0.8 g/cm 3 , a tensile strength range of 0.4-100 kg/cm 2 , and a compression modulus range of 0.2 to 10 kg/cm 2 .