Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1997-04-24
1998-09-01
Milano, Michael J.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
623 18, A61F 232
Patent
active
058005552
ABSTRACT:
A bearing liner component for a ball-and-socket joint prosthesis is described. The bearing component comprises a bearing liner and locking component. The bearing liner is formed with a rim that defines an opening to a concave bearing surface that describes more than a hemisphere. The bearing liner is further provided with a lip extending around the rim and a channel formed in the lip. The channel is formed to permit elastic deformation of the bearing liner around the rim sufficient to permit elastic deformation of the bearing liner around the rim to allow a ball prosthesis with generally the same diameter as the bearing surface to enter the bearing liner. A locking component is also provided that couples the lip of the bearing liner to inhibit elastic deformation of the bearing surface around the rim.
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DePuy Orthopaedics, Inc.
Milano Michael J.
Nguyen Tram Anh T.
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