Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1989-09-27
1992-07-07
Isabella, David J.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
623 18, A61F 234, A61F 232
Patent
active
051279207
ABSTRACT:
Prostheses and methods are described for replacement of the dome areas of the hip joint. A femoral component is provided with a superior articular surface which is curved so as to simulate the shape of the dome area of the patient's femoral head. The damaged or diseased portion of the weight bearing dome area of the femoral head is removed and the femoral component is implanted. An acetabular component is also provided with an inferior curved articular surface which is generally congruent with the superior articular surface. The acetabular component is implanted in a recess formed in the patient's acetabulum. The position of the acetabular component is chosen to correspond to the location of the implanted femoral component when the joint is in a weight bearing posture. By use of the components, and the accompanying method, a subtotal hip dome arthroplasty may be effected.
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