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Process and device for the preoperative determination of the positioning data of endoprosthetic parts

  • US 20020095083A1
  • Filed: 03/08/2002
  • Published: 07/18/2002
  • Est. Priority Date: 03/11/1997
  • Status: Active Grant
First Claim
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1. A process for the preoperative determination of positioning data of endoprosthetic parts of a knee joint relative to a thigh bone and a lower leg bone forming the knee joint, comprising the steps of:

  • moving the thigh bone of the knee joint relative to a corresponding hip joint, to determine a first articular point in the area of the hip joint for said thigh bone;

    determining a second articular point in the area of the knee joint for said thigh bone;

    determining a first characteristic direction for said thigh bone by way of a straight-line connection of the first and second articular points; and

    determining an orientation of the endoprosthetic parts relative to the first characteristic direction.

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