Electrosurgical instrument with end-effector assembly including electrically-conductive, tissue-engaging surfaces and switchable bipolar electrodes

摘要: An electrosurgical instrument includes a housing, an elongated shaft, and end-effector assembly. The proximal end of the shaft is operably associated with housing. assembly coupled to distal first second jaw members. Each members sealing plate bipolar electrode. Either one or both movable from position in spaced relation relative other member at least subsequent wherein plates cooperate grasp tissue therebetween. semiconductor switch electrodes. configured enable user selection between energizing