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Bipolar forceps with variable resistor jaw
专利权人:
发明人:
申请号:
EP09165753.6
公开号:
EP2147649B1
申请日:
2009.07.17
申请国别(地区):
EP
年份:
2015
代理人:
摘要:
A bipolar forceps includes an end effector assembly having opposing first and second jaw members each having a proximal end and a distal end. The jaw members are movable relative to each other in order to grasp tissue therebetween. An 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 electrically conductive surface from the proximal end to the distal end. The reactive element of the sealing plate positioned on the proximal end of the first jaw member has a different impedance than the reactive element positioned on the distal end. An 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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