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System and Method for Monitoring Ablation Size

  • US 20110184403A1
  • Filed: 01/25/2010
  • Published: 07/28/2011
  • Est. Priority Date: 01/25/2010
  • Status: Active Grant
First Claim
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1. A system for monitoring ablation size, comprising:

  • a power source;

    a microwave antenna configured to deliver microwave energy from the power source to tissue to form an ablation zone; and

    a plurality of spaced-apart electrodes operably disposed along a length of the microwave antenna, the electrodes in electrical communication with one another, each of the electrodes having a threshold impedance associated therewith corresponding to the radius of the ablation zone.

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