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Catheter with enhanced ablation electrode

  • US 6,475,214 B1
  • Filed: 05/01/2000
  • Issued: 11/05/2002
  • Est. Priority Date: 05/01/2000
  • Status: Expired due to Fees
First Claim
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1. An ablation catheter comprising:

  • an elongated, flexible catheter body having proximal and distal ends and at least one lumen extending therethrough; and

    a tip electrode having a length of at least about 3 mm mounted on the distal end of the catheter body, wherein the tip electrode comprises a base material having an outer surface and a porous layer applied over at least a portion of the outer surface of the base material, the porous layer comprising metal nitride, metal oxide, metal carbide, metal carbonitride, carbon, carboxy nitride, or a combination thereof.

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