Resorptive bone ceramic on the basis of tricalcium phosphate

Details Resorptive bone ceramic on the basis of tricalcium phosphate Resorptive bone ceramic on the basis of tricalcium phosphate

1990-02-07

1992-08-25

Isabella, David

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

Implantable prosthesis

Bone

623 66, A61F 108

Patent

active

051415119

ABSTRACT:
The invention relates to a process for the preparation of a resorptive bone ceramic on the basis of tricalcium phosphate which can be used as a bone replacement material. In the process, natural bone material, freed from the soft tissues, is used as the starting material. The remaining organic substances are removed from this starting material by pyrolysis. The remaining bone material, which consists virtually completely of hydroxyapatite, is subsequently treated with a phosphate carrier and then subjected to a sintering step.

REFERENCES:
patent: 3787900 (1974-01-01), McGee
patent: 3929971 (1975-12-01), Roy
patent: 4113500 (1978-09-01), Ebihara et al.
patent: 4373217 (1983-02-01), Draenert
patent: 4626392 (1986-12-01), Kondo et al.
Unilab Surgibone for Surgical Implant, Unilab, Inc.
Treatment of Jaw Defects with Demineralized Bone Implants, Kaban et al., Osteotech, pp. 623-626, Jun. 6, 1989.
Bioceramic Implants in Surgically Produced Infrabony Defects, Nery et al., Bioceramic Implants, Journal of Periodontol, Jun. 1975.

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