Porous metal overlay for an implant surface

Details Porous metal overlay for an implant surface Porous metal overlay for an implant surface

1985-12-02

1990-12-11

Cannon, Alan W.

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

Implantable prosthesis

Bone

623 23, A61F 228

Patent

active

049767380

ABSTRACT:
The porous metal overlay for an implant surface is comprised of a plurality of layers of stacked metal grids. Each layer is provided with pores which are of a size which decrease in the direction of the implant surface steadily, that is, without enlargement in an intermediate layer. The progressively decreasing porous sizes provide for a steady ingrowth and nourishment of the ingrowing tissue.

REFERENCES:
patent: 3906550 (1975-09-01), Rostoker et al.
patent: 4064567 (1977-12-01), Buestein et al.
patent: 4479271 (1984-10-01), Bolesky et al.
patent: 4536894 (1985-08-01), Galante et al.
patent: 4542539 (1985-09-01), Rowe, Jr. et al.

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