Method of locating a target on a portion of anatomy

  • US 5,211,164 A
  • Filed: 03/29/1991
  • Issued: 05/18/1993
  • Est. Priority Date: 11/10/1987
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for locating a target on a portion of anatomy having three fiducial implants comprising:

  • a. taking a first series of cross-sectional image slices of the portion of the anatomy;

    b. defining an internal coordinate system with respect to the three fiducial implants;

    c. defining an external coordinate system;

    d. locating the target in the portion of the anatomy with respect to the internal coordinate system and defining the internal coordinate system with respect to the predefined external coordinate system; and

    e. locating the target with respect to the external coordinate system.

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