Acetabular prosthesis having a metal supporting shell

Details Acetabular prosthesis having a metal supporting shell Acetabular prosthesis having a metal supporting shell

1990-09-27

1992-10-20

Isabella, David

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

Implantable prosthesis

Bone

A61F 234

Patent

active

051566257

ABSTRACT:
The acetabular prosthesis includes a metal supporting shell having collar-shaped projections which have tapered cutting edges for penetrating into the osseous tissue of a pelvic bone. The distal portions of the projections are tapered so that plugs of bone can be formed upon penetration of the projections into the osseous tissue. The projections may be filled with bone chips prior to fitting in of a plastic shell within the metal supporting shell. A multi layer metal mesh is provided on the outer surface of the metal shell for promoting fusion. If the overall attachment is not adequate, the projections can be used for insertion and centering of bone screws.

REFERENCES:
patent: 4883491 (1989-11-01), Mallory et al.
patent: 4904265 (1990-02-01), MacCollum et al.

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