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Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue

  • US 9,770,282 B2
  • Filed: 07/24/2007
  • Issued: 09/26/2017
  • Est. Priority Date: 02/22/1995
  • Status: Expired due to Fees
First Claim
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1. A surgical apparatus to deliver radio frequency power and a fluid via a surgical instrument to treat tissue, the apparatus comprising:

  • a radio frequency power source to provide the radio frequency power at a power level; and

    a controller control means configured to control a flow rate of the fluid based upon the power level of the radio frequency power.

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