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Natural alignment knee instruments

  • US 9,113,957 B2
  • Filed: 10/28/2014
  • Issued: 08/25/2015
  • Est. Priority Date: 05/21/2010
  • Status: Active Grant
First Claim
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1. A method for replacing a knee joint, comprising:

  • determining a naturally occurring joint surface on a distal femur;

    assessing a deficiency on the distal femur from the naturally occurring joint surface;

    selecting an offset distance between first and second reference surfaces of an instrument based on the deficiency;

    contacting the distal femur with the first and second reference surfaces to determine an orientation of the instrument and a first guide surface relative to the distal femur; and

    resecting the distal femur by guiding a cutting tool along the first guide surface to form a distal resection.

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