Acetabular cup groove insert

Details Acetabular cup groove insert Acetabular cup groove insert

1994-04-26

1996-01-02

Isabella, David

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

Implantable prosthesis

Bone

623 18, A61F 234

Patent

active

054804485

ABSTRACT:
An acetabular cup assembly having a non-metallic inner cup to be positioned within a metal shell with a dome shaped interior surface. The non-metallic inner cup is formed with a plurality of interconnecting grooves and ribs. The ribs are configured to contact the interior surface of the metal shell while the grooves have inner surface areas spaced from the interior surface of the metal shell. The combination of the ribs and the groove define cavitites in the outer surface of the inner cup. The assembly further includes groove insert members that are configured to be positioned in and filling substantially all of the cavities.

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