Plastic bone implant having a reinforced contact surface

Details Plastic bone implant having a reinforced contact surface Plastic bone implant having a reinforced contact surface

1986-01-06

1990-12-18

Isabella, David J.

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

Implantable prosthesis

Bone

A61F 230

Patent

active

049783556

ABSTRACT:
A metal grid is embedded in the contact surface of a plastic implant in order to increase the wear resistance of the plastic implant. The ridge dimensions of the metal grid are chosen so that the elasticity of the plastic implant is not unduly reduced. An additional anchoring surface formed of layers of porous metal may be secured to the embedded grid to provide a surface into which bone tissue may grow in a cementless anchorage.

REFERENCES:
patent: 3906550 (1975-09-01), Rostoker et al.
patent: 4195368 (1980-04-01), Patrichi
patent: 4479271 (1984-10-01), Bolesky et al.
patent: 4542539 (1985-09-01), Rowe, Jr. et al.
patent: 4570271 (1986-02-01), Sump

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