Prosthetic artificial bone having ceramic layers of different po

Details Prosthetic artificial bone having ceramic layers of different po Prosthetic artificial bone having ceramic layers of different po

1992-02-18

1992-10-06

Shay, Randy C.

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

Implantable prosthesis

Bone

A61F 228

Patent

active

051527910

ABSTRACT:
A prosthetic artificial bone having a double-layered structure obtained by forming a high porosity portion having a porosity of from 40 to 90% and a lower porosity portion having a porosity of 50% or less, into an integral body, and wherein the high porosity portion and the lower porosity portion each comprise a ceramics containing calcium and phosphorus.

REFERENCES:
patent: 4000525 (1977-01-01), Klawitter et al.
patent: 4237559 (1980-12-01), Borom
patent: 4330514 (1982-05-01), Nagai et al.
patent: 4911720 (1990-03-01), Collier
Synthesis of .beta.-Tricalcium Phosphate by Use of Wet Milling, Motohiro Toriyama and Sukezo Kawamura, Yogyo-Kyokai-Shi 94 [9] 1986, 1004-1008.

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