Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1998-03-13
1999-08-10
Milano, Michael J.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
A61F 232
Patent
active
059351756
ABSTRACT:
An acetabular prosthesis has a shell component that is implantable within bone and a liner component that is matable to the shell by a locking member disposed with the shell component. The shell has a generally convex bone engaging outer surface and a generally concave inner surface. A groove is formed in the inner surface of the shell and extends about at least a portion of the inner circumference of the shell. The liner has an inner concave surface and an outer, convex surface with a shape complementary to and matable within the inner surface of the shell. One or more deformable tabs are formed on the locking member, adapted for securing the liner within the shell. The liner may be joined to the shell by press fitting the two components together such that the locking members engages one or more positive surface ridges on the liner.
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Ostiguy, Jr. Pierre S.
Sommerich Robert E.
Johnson & Johnson Professional Inc.
Milano Michael J.
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