Coated biomaterials and methods for making same

Details Coated biomaterials and methods for making same Coated biomaterials and methods for making same

1989-04-28

1990-12-11

Cannon, Alan W.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

427 2, 501 1, 4332011, 4332121, 606 77, A61F 228

Patent

active

049767364

ABSTRACT:
Biomaterials useful for onthopedicanel dental applications is disclosed. These materials have a base portion of calcium carbonate and a surface layer of a synthetic phosphate such as hydroxyapatite. The base portion may be a calcium carbonate structure having three-dimensional interconnected porosity such as may be found in porous skeletal carbonate of marine life, e.g. coral porites skeletal aragonite, or it may be porous or non-porous granules of calcium carbonate.
A method for making the biomaterials is also disclosed. The synthetic phosphate surface is made using a hydroconversion reaction with a soluble or solubilized phosphate such as ammonium dibasic phosphate ((NH4).sub.2 HPO4).

REFERENCES:
patent: 3929971 (1975-12-01), Roy
patent: 4356572 (1982-11-01), Guillemin et al.
patent: 4917702 (1990-04-01), Scheicher et al.

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