Joint implant

Details Joint implant Joint implant

1985-04-11

1987-08-18

Apley, Richard J.

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

Implantable prosthesis

Bone

623 22, A61F 230

Patent

active

046874879

ABSTRACT:
The mutually sliding members of a joint implant are each coated with a hard material selected from the group consisting of titanium carbide, oxicarbide, nitride, oxinitride, carbonitride and oxicarbonitride in order to improve the sliding, wear resistance and adhesion properties of the members.
A hip joint prosthesis is provided having a socket bowl coated with titanium (oxi)nitride or titanium (oxi)carbonitride with a thickness of from 2 to 3 microns and an articular head coated with titanium (oxi)carbide or titanium (oxi)carbonitride with a thickness of from 2 to 3 microns.

REFERENCES:
patent: 3643658 (1972-02-01), Steinemenan
patent: 4263681 (1981-04-01), Notton
patent: 4450201 (1984-05-01), Brill et al.
patent: 4522453 (1985-06-01), Lammer et al.
Chemical Abstracts--vol. 100, 1984 No. 39 562.

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