Temperature sensing return electrode pad
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United States of America Patent
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-
Jul 10, 2012
Grant Date -
Aug 4, 2011
app pub date -
Apr 13, 2011
filing date -
Sep 28, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electrosurgical return electrode is disclosed. The return electrode includes a conductive pad having one or more temperature monitoring zones and a patient-contacting surface configured to conduct electrosurgical energy and a temperature sensing circuit coupled to the conductive pad. The temperature sensing circuit includes at least one diode disposed within the at least one temperature monitoring zone, the at least one diode having a predetermined forward voltage drop that is indicative of temperature of at least one temperature monitoring zone.
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