Surgery – Instruments – Electrical application
Reexamination Certificate
2006-01-12
2010-06-15
Cohen, Lee S (Department: 3739)
Surgery
Instruments
Electrical application
Reexamination Certificate
active
07736359
ABSTRACT:
The present disclosure provides an electrosurgical return pad current detection system for use in monopolar surgery as well as a method of using the same. The detection system comprises a plurality of conductive pads which include a plurality of conductive elements. The detection system further includes a sensor which senses the current returning to each conductive pad as well as a comparator which determines the difference in current among a plurality of conductive pads. If the current differential is above or below a prescribed limit, the system will alert the user of potential hazards and/or alter the amount of energy delivered to a surgical device.
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Cohen Lee S
Covidien AG
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