Method of making an orthopaedic implant having a porous surface

Details Method of making an orthopaedic implant having a porous surface Method of making an orthopaedic implant having a porous surface

1995-10-12

1998-03-31

Jenkins, Daniel J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Making porous product

419 9, 419 11, 419 36, 419 46, 419 54, 623 16, 427 226, B22F 310, B22F 704

Patent

active

057349592

ABSTRACT:
The invention is directed to a method of forming an implant having a porous surface using an organic binder compound to enhance the bonding between the porous surface layer and implant. Preferably, the binder is formed from a water-soluble protein that carbonizes during the sintering process to alloy with the metal of the porous surface layer. The porous surface layer may be in the form of beads or of fiber metal and can be preformed to fit with an implant or formed over the surface of the implant.

REFERENCES:
patent: 4612160 (1986-09-01), Donlevy et al.
patent: 5080672 (1992-01-01), Bellis
patent: 5098870 (1992-03-01), Claar et al.

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