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Multi-pole synchronous pulmonary artery radiofrequency ablation catheter

  • US 9,918,776 B2
  • Filed: 03/27/2015
  • Issued: 03/20/2018
  • Est. Priority Date: 11/13/2012
  • Status: Active Grant
First Claim
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1. A device for ablating a target tissue of a patient, the device comprising:

  • a catheter body comprising a proximal end and a terminal distal end;

    an elliptical ring coupled to the terminal distal end of the catheter body, the elliptical ring having a major axis and a minor axis, wherein the minor axis divides the elliptical ring into a first portion and a second portion, the first portion encompassing an apex of the major axis; and

    a plurality of electrodes supported by the elliptical ring,wherein a number of the plurality of electrodes supported by the first portion of the elliptical ring exceeds a number of the plurality of electrodes supported by the second portion of the elliptical ring, andwherein at least one electrode of the plurality of electrodes is disposed over the apex of the major axis.

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