Process for preparing porous bioceramic materials

Details Process for preparing porous bioceramic materials Process for preparing porous bioceramic materials

1999-01-12

2000-10-24

Milano, Michael J.

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

Implantable prosthesis

Bone

623 17, 523113, 514324, A61F 228, A61F 244, A61F 200, A01N 4340

Patent

active

061360309

ABSTRACT:
A process for preparing porous bioceramic materials includes the following steps: (a) using the cancellous bone of animals, (b) removing organic substances in the cancellous bone by thermal processing to obtain de-organic cancellous bone, (c) soaking the de-organic cancellous bone in a solution of phosphate salts, and (d) obtaining porous bioceramic materials by sintering up to 900.degree. C. or higher after dehydration. The porous bioceramic materials of the present invention are suitable for use as filling materials for bone defect.

REFERENCES:
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patent: 5702449 (1997-12-01), McKay
patent: 5728159 (1998-03-01), Stroever et al.
patent: 5977204 (1999-11-01), Boyan et al.
patent: 5985897 (1999-11-01), Muehl et al.
D.C. Tancred, B.A.O McCormack, A.J. Carr, "A synthetic bone implant macroscopically identical to cancellous bone", Biomaterials 19 (1999) 2303-2311.
Feng-Huei Lin, Chun-Jen Liao, Ko-Shao Chen, Jui-Sheng Sun, "Preparation of a biphasic porous bioceramic by heating bovine cancellous bone with Na4P207-10H20 addition", Biomaterials 20 (1999) 475-484.
D.C. Tancred, A.J. Carr, B.A.O McMormack, "Development od a new synthetic bone graft", Journal of Materials Science: Materials in Medicine 9 (1998) 819-823.

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