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APPARATUS AND METHOD FOR LOCATING A DEVICE TIP WITHIN A VOLUME

  • US 20110112398A1
  • Filed: 11/08/2010
  • Published: 05/12/2011
  • Est. Priority Date: 11/08/2009
  • Status: Active Grant
First Claim
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1. A method for determining by an x-ray projection a position of a target radiopaque marker disposed on a catheter in a subject'"'"'s body, comprising:

  • assigning a landmark in the body as a reference point compensated for periodic movements of the body;

    determining an auxiliary location relative to the reference point using at least one additional radiopaque marker disposed on the catheter; and

    based on the auxiliary location determining the position of the target radiopaque marker with respect to the reference point.

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