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HIP REPLACEMENT IN COMPUTER-ASSISTED SURGERY

  • US 20090099570A1
  • Filed: 10/10/2008
  • Published: 04/16/2009
  • Est. Priority Date: 10/10/2007
  • Status: Active Grant
First Claim
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1. A device for digitizing a femoral neck axis of with respect to a pelvic frame of reference in computer-assisted surgery, comprising:

  • a trackable member trackable for position and orientation by a computer-assisted surgery system;

    a body connected to the trackable member, the body having an interface portion adapted to be releasably coupled to a neck of one of an implanted femoral implant and a provisional in a known relation, and a bone interface portion adapted to be positioned against a pelvis such that the body of the device interrelates the implanted femoral implant or provisional to the pelvis, the neck axis of the femoral implant or provisional being calculable thereat with respect to the pelvic frame of reference as a function of the known relation and of the position and orientation of the trackable member.

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