DIRECT VISUALIZATION BIPOLAR ABLATION SYSTEMS

  • US 20090062790A1
  • Filed: 08/29/2008
  • Published: 03/05/2009
  • Est. Priority Date: 08/31/2007
  • Status: Abandoned Application
First Claim
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1. A tissue treatment apparatus, comprising:

  • a reconfigurable structure extending from a deployment catheter and which is capable of intravascular delivery in a low profile delivery configuration and expansion to a deployed configuration which defines an open area bounded at least in part by the structure;

    a fluid lumen in communication with the open area of the structure such that introduction of a conductive fluid through the lumen purges the open area of blood when the structure is further bounded by a tissue surface;

    a first electrode positioned within or along the structure and at least one second electrode also within or along the structure in proximity to the first electrode, whereby current is conducted between the first and second electrodes such that tissue between the first and second electrodes is treated.

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