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Device and method for navigating a catheter

  • US 20070167738A1
  • Filed: 01/07/2005
  • Published: 07/19/2007
  • Est. Priority Date: 01/20/2004
  • Status: Abandoned Application
First Claim
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1. A device for navigating an instrument (4) in a body volume that is subject to a spontaneous movement that can be described by a movement parameter (E), comprising a) a locating device (2) for determining the location (r) of the instrument (4);

  • b) a sensor device (5) for determining the movement parameter (E);

    c) a data processing device (10) coupled to the locating device (2) and the sensor device (5) and comprising a movement model (11) that describes the movement of the body volume as a function of the movement parameter (E), wherein the data processing device (10) is designed to correlate an estimated location (r+Δ

    ) of the instrument in a reference phase (E0) of the spontaneous movement with measured values of the location (r) of the instrument (4) and of the associated movement parameter (E) with the aid of the movement model (11).

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