Proximal femoral sleeve for a revision hip prosthesis
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 31, 2000
Grant Date -
N/A
app pub date -
Dec 22, 1998
filing date -
Dec 22, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sleeve component for engagement with a prosthetic component, such as a revision femoral component, compensates for bone loss and/or anatomical anomalies. In one embodiment, the sleeve includes a compensating region which provides an eccentric outer surface for offsetting proximal, posterior bone loss in the patient's femur. The sleeve has a bore through which the stem of a femoral component is insertable. The inner walls of the bore taper so as to complement a proximal outer surface of the stem when the sleeve abuts a shoulder portion of the femoral component. In one embodiment, the compensating region is defined by a radius which is offset from the longitudinal axis of the sleeve. In another embodiment, the compensating region is defined by a radius extending from the longitudinal axis and having an increased length.
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