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MULTI-REGION STAGED INFLATION BALLOON

  • US 20080086073A1
  • Filed: 10/10/2006
  • Published: 04/10/2008
  • Est. Priority Date: 10/10/2006
  • Status: Active Grant
First Claim
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1. An ablation device assembly for ablating a circumferential region of tissue at a location within a body space where a pulmonary vein extends from an atrium, comprising:

  • an elongate body with a proximal end portion, a distal end portion, and a longitudinal axis;

    an elastic contact member located along the distal end portion, the contact member having a circumferential wall and being expandable from a radially collapsed condition to a radially expanded condition, the contact member including a single chamber having a single bulbous section, the single bulbous section having a plurality of longitudinally adjacent circumferential regions wherein adjacent regions have dissimilar wall thicknesses; and

    an ablation element having an ablative energy source that is located along the distal end portion, wherein the ablation element cooperates with the contact member such that the ablative energy source emits a substantially circumferential pattern of energy through the circumferential wall.

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