Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1999-01-28
2000-11-14
Willse, David H.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
A61F 238
Patent
active
061464236
ABSTRACT:
A patella replacement device consists of a porous metal insert which is surrounded by a metallic ring which is press-fit to a portion of the insert. The porous insert has cement accommodating apertures. A polyethylene device or biocompatible articulating material has projections which fit into the apertures in the porous insert and the combination is used for the repair or replacement of the patella bone. The porous metal insert consists of a high porosity metal material for initial stability through the adhesive and frictional properties of the metal material and allows for articulation of one polyethylene or metal bearing surface to a normal non-resurfaced femur or a femur that has been resurfaced with a prosthetic replacement device.
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Cohen Robert C.
Sidebotham Christopher G.
Zubok Rafail
Implex Corporation
Jackson Suzette J.
Plevy Arthur L.
Willse David H.
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