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Apparatus and method for catheter navigation using endovascular energy mapping

  • US 10,271,762 B2
  • Filed: 11/30/2016
  • Issued: 04/30/2019
  • Est. Priority Date: 06/12/2009
  • Status: Active Grant
First Claim
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1. A method for locating an indwelling medical device within a vasculature of a patient, comprising:

  • identifying with indicators of a graphical user interface on a display screen of a portable device an endovascular ECG waveform complex from an endovascular ECG signal associated with endovascular electrodes of the indwelling medical device;

    determining an energy of the endovascular ECG waveform complex;

    calculating an absolute value of the energy of the endovascular ECG waveform complex over a predetermined segment thereof by applying data-processing algorithms of a computer module of the portable device; and

    determining a position of the indwelling medical device within the vasculature by observation of the absolute value of the energy of the predetermined segment of the endovascular ECG waveform complex in the graphical user interface by a user of the portable device.

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