Patent ID: 6495156
Filing Date: 2002-12-17
Classification: A61L

Abstract:
A mixture of powders suitable for preparation of absorbable calcium phosphate cements comprising:tricalcium phoshate (TCP) in which, 30 to 70% of the TCP particles have a particle size of 0.1 to 7 um and 10 to 60% of the TCP particles have a particle size of 40 to 100 um; precipitated hydroxylapatite (PHA) wherein the PHA is a cation-deficient hydroxylapatite of the formula I Ca8.75V(Ca)1.25[(HPO4)5.5-x(CO3)0.5](OH)xV(OH)2-x in which x is 0-2; andat least one other phosphate-containing inorganic compound.