Proximal femoral sleeve for a revision hip prosthesis

Details Proximal femoral sleeve for a revision hip prosthesis Proximal femoral sleeve for a revision hip prosthesis

1998-12-22

2000-10-31

Miller, V.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

A61F 236

Patent

active

061395846

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.

REFERENCES:
patent: 5858020 (1999-01-01), Johnson et al.
patent: 5906644 (1999-05-01), Powell

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