Ultrasonic surgical instrument

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/32 (2006.01) A61B 17/22 (2006.01) A61B 17/28 (2006.01)

Patent

CA 2437582

An ultrasonic surgical instrument is provided which includes a handle assembly (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 of Th. power source, the transducer (32, 132) effects vibration of the ultrasonic member (226). In one preferred embodiment, the end effector (222) is mounted for articulation about the distal end of the instrument.

L'instrument chirurgical ultrasonique de cette invention comprend un ensemble poignée (218), un corps (220) s'étendant de manière distale depuis l'ensemble poignée et un effecteur terminal configuré de façon à effectuer une découpe, une dissection, une coagulation et/ou une ligation du tissu. L'effecteur terminal (222) comprend un élément ultrasonique (226). Un transducteur (32, 132) est supporté adjacent sur ou dans l'élément ultrasonique (226) et est raccordé à une source de courant. Lors de l'actionnement de la source de courant, le transducteur (32, 132) fait vibrer l'élément ultrasonique (226). Selon une réalisation préférée, l'effecteur terminal (222) est monté de façon à s'articuler autour de l'extrémité distale de l'instrument.

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