ULTRASONIC SURGICAL INSTRUMENT

摘要

An ultrasonic surgical instrument is provided which includes a handle assemb ly (218), a body (220) extending distally form the handle assembly and an end effector (222) configured to effect cutting, dissection, coagulation and/or ligation of tissue. The end effector (222) includes an ultrasonic member (226). A transducer (32, 132) is supported adjacent, on or within the ultrasonic member (226) and is connected to a power source. Upon actuation o f Th. power source, the transducer (32, 132) effects vibration of the ultrason ic member (226). In one preferred embodiment, the end effector (222) is mounted for articulation about the distal end of the instrument.