Apparatus and method for locating a device tip within a volume
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United States of America Patent
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May 20, 2014
Grant Date -
May 12, 2011
app pub date -
Nov 8, 2010
filing date -
Nov 8, 2009
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Abstract
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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