Prosthetic joint with diamond coated interfaces

Details Prosthetic joint with diamond coated interfaces Prosthetic joint with diamond coated interfaces

1996-04-16

1997-07-08

Brittingham, Debra S.

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

Implantable prosthesis

Bone

623 20, 623 22, 623 23, A61F 230, A61F 232, A61F 238

Patent

active

056456018

ABSTRACT:
A prosthetic joint with polycrystalline diamond compact coated interfaces and a method for making the same are disclosed. The prosthetic joint has a diamond layer formed on at least one of the interacting, load-bearing surfaces of the joint. The diamond layer adds resistance to damage from impacts and, when polished, gives the joint a low coefficient of friction, thereby increasing the life of the joint. In accordance with one aspect of the invention, the diamond layer is formed of polycrystalline diamond compact having a common diamond particle diameter of less than 1 micron to further reduce friction.

REFERENCES:
patent: 3913280 (1975-10-01), Hall
patent: 4196181 (1980-04-01), Vereschasin et al.
patent: 4259072 (1981-03-01), Hirabayashi et al.
patent: 4311490 (1982-01-01), Bovenkerk et al.
patent: 5082359 (1992-01-01), Kirkpatrick
patent: 5236545 (1993-08-01), Pryor
patent: 5364192 (1994-11-01), Damm et al.
patent: 5370694 (1994-12-01), Davidson
patent: 5376444 (1994-12-01), Grotepass et al.

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