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Ablation device with internally cooled electrodes

  • US 8,915,878 B2
  • Filed: 01/14/2013
  • Issued: 12/23/2014
  • Est. Priority Date: 12/21/2007
  • Status: Active Grant
First Claim
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1. An electrosurgical end-effector for ablating tissue comprising:

  • at least one electrically-conductive ablation electrode adapted to be connected to a source of RF energy, the ablation electrode having a tissue-engaging surface and partially demarcating an internal fluid passageway within a housing of the end-effector, the tissue-engaging surface extending beyond the housing and the internal fluid passageway looping within the housing, wherein the housing contains the ablation electrode partially demarcating the intern fluid passageway.

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