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Apparatus for imaging the anatomy

  • US 5,119,817 A
  • Filed: 01/19/1990
  • Issued: 06/09/1992
  • Est. Priority Date: 11/10/1987
  • Status: Expired due to Term
First Claim
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1. An apparatus for locating a target on a portion of a patient comprising:

  • a. at least three fiducial implants;

    b. imaging means for producing sliced images of a desired cross-section of the portion of the patient'"'"'s anatomy;

    c. a display means for displaying the images produced by said imaging means;

    d. a programmable data-processing computer;

    e. means for selecting from said at least three fiducial implants three fiducial implants for defining an internal coordinate system with respect to the human anatomy identifiable by said imaging means, said means being hidden from the exterior of the anatomy but detectable by said imaging means;

    f. said computer being programmed to store images by said imaging means during a first scan;

    g. said imaging means and said computer cooperating to produce sliced images substantially identical to images of said first scan;

    h. means for defining an external coordinate system using said fiducial implants;

    i. means for relating said internal coordinate system with respect to said external coordinate system whereby the target can be located.

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