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SYSTEM AND METHOD FOR INTRA-OPERATIVE LEG POSITION MEASUREMENT

  • US 20140275940A1
  • Filed: 03/15/2013
  • Published: 09/18/2014
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
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1. A system for providing intra-operative leg position measurements during hip arthroplasty of a pelvis and a femur at a surgical site the system comprising:

  • an optical sensor for coupling to the pelvis and for alignment with the surgical site,a target for coupling to the femur in alignment with the sensor, the sensor providing signals in response to the target for determining relative positions of the sensor and target; and

    a processing unit for communicating with the sensor, the processing unit configured to use a baseline measurement of leg position and a map to calculate and display leg position measurements in real time, where the map is defined through a registration range-of-motion (RROM) procedure.

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