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Apparatus and method for tracking feature's position in human body

  • US 7,949,089 B2
  • Filed: 04/07/2009
  • Issued: 05/24/2011
  • Est. Priority Date: 04/10/2008
  • Status: Active Grant
First Claim
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1. A CT scanner for scanning a subject comprising:

  • a gantry rotor configured to rotate about the subject;

    at least two cone beam X-Ray sources displaced from each other mounted on said gantry rotor;

    at least one 2D detector array mounted on said gantry rotor, said detector is operable to receive radiation emitted by said at least two cone beam X-Ray sources and attenuated by the subject;

    a first image processor operable to generate CT images of a volume within the subject;

    a second image processor operable to generate fluoroscopy images of said volume, wherein said fluoroscopy images are responsive to X-Rays separately emitted by each of said at least two cone beam X-Ray sources and wherein said fluoroscopy images are spatially registered to said CT images; and

    a third image processor operable to display said fluoroscopy images responsive to X-Rays separately emitted by each of said at least two cone beam X-Ray sources and said CT images wherein the position of at least one feature within said volume may be visualized simultaneously in said fluoroscopy images and said CT images.

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