Acetabular shell having sintered screw hole plugs

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone


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A61F 232




An acetabular shell can receive bone screws through a screw hole that is initially occluded by a plug in sintered connection with the wall of the screw hole. The sintered connection can be broken to permit removal of the plug, if desired. The plug prevents migration of wear debris from the interior of the shell to the exterior of the shell through an unused screw hole.

patent: 5137535 (1992-08-01), Keller
patent: 5314487 (1994-05-01), Schryver et al.
patent: 5360452 (1994-11-01), Engelhardt et al.
patent: 5370702 (1994-12-01), Jones
patent: 5571198 (1996-11-01), Drucker et al.
patent: 5645606 (1997-07-01), Oehy et al.


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