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MRI thermography for cardiac lesion assessment

  • US 10,638,932 B2
  • Filed: 11/09/2016
  • Issued: 05/05/2020
  • Est. Priority Date: 11/09/2016
  • Status: Active Grant
First Claim
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1. Apparatus for improving ablation tracking, comprising:

  • an electrical interface; and

    a processor, configured;

    to receive via the electrical interface, from a plurality of sensors, a first signal that indicates a location and orientation of an intrabody tool inside a body of a subject, and a second signal that indicates a phase;

    of a physiological motion cycle of the subject, at which the first signal was acquired, andto acquire, using a magnetic resonance imaging (MRI) scanner, a set of multiple images at the location indicated by the first signal, over a portion, of a subsequent physiological motion cycle of the subject, that includes the phase indicated by the second signal, the processor defining a scan plane covering a pathway of the intrabody tool, a scan window that covers a portion of the physiological motion cycle that is approximately temporally centered around the phase of the physiological motion cycle at the location and orientation of the intrabody tool, and a number of images to be captured in the scan window, the set of multiple images are captured at various phases within the scan window.

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