Devices and methods for creating lesions in blood vessels without obstructing blood flow

  • US 6,656,174 B1
  • Filed: 07/20/2000
  • Issued: 12/02/2003
  • Est. Priority Date: 07/20/2000
  • Status: Active Grant
First Claim
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1. An ablation catheter, comprising:

  • an elongate catheter body, comprising;

    an inner shaft having an inner shaft lumen;

    a stiffening mandrel disposed within the inner shaft lumen;

    and an outer shaft having an outer shaft lumen, wherein the inner shaft is disposed within the outer shaft lumen; and

    an electrode structure mounted on a distal end of the catheter body, the electrode structure comprising a plurality of radially disposed inflatable chambers.

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