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Irrigated ablation electrode assembly and method for control of temperature

  • US 8,128,621 B2
  • Filed: 11/30/2007
  • Issued: 03/06/2012
  • Est. Priority Date: 05/16/2005
  • Status: Active Grant
First Claim
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1. An irrigated ablation electrode assembly for use with an irrigated catheter device, the irrigated ablation electrode assembly comprising:

  • a proximal member having at least one passageway for a fluid with an outlet disposed at an external surface of the proximal member; and

    a distal member connected with the proximal member and having an external surface, a first end, and a second end, wherein one of the first end and the second end of the distal member is configured to receive a portion of the proximal member such that the portion of the proximal member is disposed internally relative to the distal member, the distal member including an electrode;

    wherein the external surface of the proximal member and the external surface of the distal member meet at an intersection;

    wherein the at least one passageway of the proximal member is configured to direct a fluid flow through the outlet toward a region adjacent the intersection; and

    wherein the at least one passageway and the outlet are not positioned longitudinally between the first end and the second end of the distal member.

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