Prosthetic device with porous matrix and method of manufacture

Details Prosthetic device with porous matrix and method of manufacture Prosthetic device with porous matrix and method of manufacture

1991-02-28

1993-04-13

Isabella, David

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

Implantable prosthesis

Bone

623 18, 623 21, 623 22, 623 66, A61F 228, A61F 254

Patent

active

052017664

ABSTRACT:
A method of forming a porous matrix and a porous matrix having a uniform surface, depth and a controlled microstructure is provided. The uniform matrix to provide for fixation of prosthetic device by tissue ingrowth is formed through the action of heat and pressure in a hot isostatic pressing process. Such a process provides a porous matrix having a uniform surface and depth due to the isostatic pressure applied and a controlled microstructure of the material due to the relatively low temperatures employed.

REFERENCES:
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patent: 4021910 (1977-05-01), Freeman, Jr. et al.
patent: 4041123 (1977-08-01), Lange et al.
patent: 4156943 (1979-06-01), Collier
patent: 4374669 (1983-02-01), MacGregor
patent: 4550448 (1985-11-01), Kenna
patent: 4612160 (1986-09-01), Donlevy et al.
patent: 4644942 (1987-02-01), Sump
patent: 5030233 (1991-07-01), Ducheyne
patent: 5057101 (1991-10-01), Dorr et al.

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