Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1997-04-02
1999-07-20
Yu, Mickey
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
A61F 232
Patent
active
059250771
ABSTRACT:
This invention relates to an apparatus and method for plugging holes in an acetabular shell component. The apparatus includes an acetabular shell component having an inner concave surface and an outer convex surface with at least a first selectively pluggable hole passing therethrough. The first selectively pluggable hole being defined by at least a cylindrical threaded sidewall. The apparatus further includes a plug having a tapered threaded sidewall. The cylindrical threaded sidewall of the first selectively pluggable hole threadably receives the tapered threaded sidewall of the plug to create an interference fit. This interference fit substantially seals the first selectively pluggable hole to minimize migration of debris through the first selectively pluggable hole. The apparatus further includes a second selectively pluggable hole and a removal instrument which is operable to removably engage a second plug without scratching the inner concave surface of the acetabular shell component during the removal of the second plug.
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Intermedics Orthopedics, Inc., Inter-Op Acetabular System; Copyright 1997 (4 pp.).
Biomet, Inc., Vision Hip System Acetabular Series, copyright 1996 (19 pp.).
Blaschke Richard Craig
Sheetz Jane
Williamson Daniel E.
Biomet Inc.
Black John M.
Yu Mickey
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