Ceramic prosthetic implant suitable for a knee joint plateau

Details Ceramic prosthetic implant suitable for a knee joint plateau Ceramic prosthetic implant suitable for a knee joint plateau

1975-08-21

1977-01-04

Frinks, Ronald L.

Surgery

Truss

Pad

3 191, 128 92C, 264 44, 106 40R, A61F 124

Patent

active

040005259

ABSTRACT:
A ceramic prosthesis of high aluminum oxide suitable for the tibial plateau of a knee joint with the superior (upper) portion of the prosthesis being of a high density AL.sub.2 O.sub.3 having a very low porosity and the inferior (lower) portion being of high density AL.sub.2 O.sub.3 having a high degree of porosity capable of accepting bone growth.

REFERENCES:
patent: 3314420 (1967-04-01), Smith et al.
patent: 3707006 (1972-12-01), Bokros et al.
patent: 3728742 (1973-04-01), Averill et al.
patent: 3924275 (1975-12-01), Heimke et al.
"Ceramics In Surgery" by R. P. Welsh et al., Journal Biomedical Materials mposium, vol. 2 (part 1), pp. 231-249, 1972.
"Biological Activity And Histocompatiblity of Dense Al.sub.2 O.sub.3 /MgO Ceramic Implants in Rats" by P. Griss et al., J. Biomedical Material Research Symposium, No. 4, pp. 453-462, 1973.
"Experimental Analysis of Ceramic-Tissue Interactions. A Morphologic, Fluoroscenseoptic, and Radiographic Study on Dense Alumina Oxide Ceramic in Various Animals" by Peter Griss et al., J. Biomedical Materials Research Symposium, No. 5, (part 1), pp. 39-48, 1974.
"Effects of Stress on Tissue Ingrowth into Porous Alumina Oxide" by S. F. Hulbert et al., J. Biomedical Materials Research Symposium, No. 5 (part 1), pp. 85-97, 1974.

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