Prosthetic joint with diamond coated interfaces

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

1997-04-18

2000-01-04

Isabella, David J.

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

Implantable prosthesis

Bone

A61F 234

Patent

active

06010533&

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: 5358529 (1994-10-01), Davidson

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