Prosthetic device adapted to promote bone/tissue ingrowth

Details Prosthetic device adapted to promote bone/tissue ingrowth Prosthetic device adapted to promote bone/tissue ingrowth

1981-10-26

1984-10-30

Apley, Richard J.

Surgery

Truss

Pad

3 191, 3 1913, 128 92C, A61F 104, A61F 504

Patent

active

044792719

ABSTRACT:
This invention relates generally to the art of orthopaedic prostheses, and more particularly to the type of prosthesis which is adapted to promote the ingrowth of bone and/or tissue into the portion of the prosthesis surface in contact with the bone surface. The prosthesis is comprised of a bottom base layer of porous fiber metal material an intermediate metal reinforcing layer including at least one opening therein and a top non-metal surface which is molded to the base layer. The portion of the polyethylene layer that is in contact with the base layer penetrates into the interstices of the porous metal material, hence securing the non-metal layer to the porous metal base layer.

REFERENCES:
patent: 3293106 (1966-12-01), Cocco et al.
patent: 3605123 (1971-09-01), Hahn
patent: 3852045 (1974-12-01), Wheeler et al.
patent: 3855638 (1974-12-01), Pilliar
patent: 3906550 (1975-09-01), Rostoker et al.
patent: 4068379 (1978-01-01), Miller et al.
patent: 4165561 (1979-08-01), Miller et al.
patent: 4202055 (1980-05-01), Reiner et al.
patent: 4205400 (1980-06-01), Shen et al.
patent: 4206516 (1980-06-01), Pilliar
patent: 4207627 (1980-06-01), Cloutier
Shen et al., "Plastic Molded on Metal Endoskeleton to Form Top Half of Ankle Joint", Material Engineering, Nov. 1980.
"Multi-Radius Total Knee System," Zimmer, Brochure B-273-1 .COPYRGT.1980.
"The PCA.TM. Total Knee System" Howmedica, Inc., Brochure H2027 .COPYRGT.1981.

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