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Non-invasive plaque detection using combined nuclear medicine and x-ray system

  • US 6,928,142 B2
  • Filed: 10/18/2002
  • Issued: 08/09/2005
  • Est. Priority Date: 10/18/2002
  • Status: Expired due to Term
First Claim
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1. A diagnostic imaging system, the system comprising:

  • a computer workstation for controlling the imaging system, interfacing with an operator and generating images;

    a coordinate system in data communication with the computer workstation, the coordinate system adapted to describe relative position in the diagnostic imaging system;

    a subject support describable within the coordinate system;

    an x-ray sub-system, the x-ray sub-system positionable around the subject support;

    position sensors operatively connected to the x-ray sub-system and workstation, the position sensors providing signals to the workstation indicative of the position of components of the x-ray sub-system within the coordinate system;

    a nuclear camera sub-system, the nuclear camera sub-system positionable around the subject support;

    position sensors operatively connected to the nuclear camera sub-system and workstation, the position sensors providing signals to the workstation indicative of the position of components of the nuclear camera sub-system within the coordinate system;

    means for determining the position within the imaging coordinate system of a region of interest in an associated imaging subject from an image generated by the x-ray sub-system; and

    means for targeting the nuclear camera sub-system to precisely obtain an image at the region of interest.

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