Patent ID: 7044977

Claim:
A system for implanting a prosthesis femoral into the intramedullary canal of a femur bone of a patient, comprising: a femor prosthesis for implantation into the intramedullary canal of a femur bone; and an expandable arthroplasty device for holding said prosthesis within the intramedullary canal, said device comprising: a first section having an outer surface for contacting the interior surface of the bone, an interior surface capable of contacting said prosthesis and two end sections; a second section having an outer surface for contacting the interior surface of the bone, an interior surface capable of contacting said prosthesis, and two end sections; adjusting means, associated with said end sections of said first and second sections, capable of shifting said first and second sections between a first unactuated position and a second actuated position in which the outer surfaces of said first and second sections contact opposing interior surfaces of the bone; and activating means for operating said adjusting means.