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Electrosurgery with cooled electrodes

  • US 5,647,871 A
  • Filed: 03/10/1995
  • Issued: 07/15/1997
  • Est. Priority Date: 03/10/1995
  • Status: Expired due to Term
First Claim
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1. An electrosurgery system comprising:

  • an electrosurgical device having an electrode for applying electrical energy to tissue at a surgical site to heat and thus cut or stop bleeding of the tissue;

    a cooling medium;

    an internal cavity within the electrode for containing the cooling medium therein at the surgical site to cool the electrode; and

    a gravity-fed closed circulation system that circulates the cooling medium through the internal cavity, the closed circulation system comprising;

    a first container providing the cooling medium by gravity to the internal cavity, anda second container collecting the cooling medium as it exits the internal cavity.

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