Variable resistor jaw
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United States of America Patent
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-
Feb 2, 2016
Grant Date -
Nov 19, 2015
app pub date -
Jul 21, 2015
filing date -
Jul 21, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A bipolar forceps for sealing tissue includes an end effector assembly having opposing first and second jaw members each having a proximal end and a distal end. A first electrically conductive surface having two or more conductive sealing plates and a dielectric layer is operably coupled to the first jaw member. Each sealing plate is connected to a reactive element and positioned along the first electrically conductive surface from the proximal end to the distal end. The reactive element of the sealing plate have different impedances. A second electrically conductive surface having one or more conductive sealing plates is operably coupled to the second jaw member. Each electrically conductive surface on the jaw members connects to a source of electrosurgical energy such that the sealing plates are capable of conducting energy through tissue held therebetween to effect a tissue seal.
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