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Electrode and associated systems using thermally insulated temperature sensing elements

  • US 5,897,552 A
  • Filed: 09/04/1997
  • Issued: 04/27/1999
  • Est. Priority Date: 11/08/1991
  • Status: Expired due to Term
First Claim
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1. An apparatus for transmitting energy to ablate tissue, comprising:

  • an electrode element adapted to be connected to an energy source, the electrode element being formed from a heat conducting material and defining an outer surface and a cavity extending generally inwardly from the outer surface;

    a temperature sensor element located within the cavity; and

    a thermal insulator located within at least a portion of the cavity between the electrode element and the temperature sensor element and adapted to substantially prevent the conduction of heat energy between the temperature sensor element and the electrode element.

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