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Methods and systems for focused bipolar tissue ablation

  • US 7,387,628 B1
  • Filed: 09/15/2000
  • Issued: 06/17/2008
  • Est. Priority Date: 09/15/2000
  • Status: Expired due to Fees
First Claim
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1. A probe for deploying electrode arrays, comprising:

  • a shaft having a distal end and a proximal end;

    a first array of electrodes mounted on the shaft and configured to shift between a retracted configuration and a deployed configuration having a concave face; and

    a second array of electrodes mounted on the shaft at a location spaced-apart proximally from the first array of electrodes, wherein the second electrode array is configured to shift between a retracted and a deployed configuration having a concave face;

    wherein the concave face of the first electrode array faces the concave face of the second electrode array when the arrays are deployed, and the deployed first and second electrode arrays are configured to necrose a volume of tissue therebetween when electrical energy is applied between the first and second electrode arrays.

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