Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1986-04-25
1989-07-11
Apley, Richard J.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
A61F 232
Patent
active
048468410
ABSTRACT:
A femoral prosthesis affixable to a remnant of a natural femoral head and cooperable with an acetabular component comprising a femoral insert having a cavity for at least partially receiving the remnant and a femoral shell having a cavity for at least partially receiving the insert. The insert is affixable to the remnant without cement, and the shell is mounted on the insert by a taper lock. The outer surface of the shell has a part-spherical region for slidably cooperating with the acetabular component to accommodate articulating motion. Selection of an appropriate combination of the insert and the shell enables hemi-surface arthroplasty or total surface arthroplasty with a minimal number of prosthetic components. Replacement of the femoral shells enables a conversion to total surface arthroplasty.
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Apley Richard J.
Isabella David J.
Peterson Gordon L.
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