Clamp coagulator/cutting system for ultrasonic surgical instrume

Details Clamp coagulator/cutting system for ultrasonic surgical instrume Clamp coagulator/cutting system for ultrasonic surgical instrume

1993-01-27

1994-06-21

Cohen, Lee S.

Surgery: kinesitherapy

Kinesitherapy

Ultrasonic

604 22, 606169, 606170, 606171, A61B 1732

Patent

active

053220552

ABSTRACT:
An ultrasonic surgical apparatus includes a surgical instrument having a handpiece with a transducer for converting an electrical signal into longitudinal vibratory motion of a blade connected to the handpiece and an accessory releasably connected to the handpiece to enable clamping of tissue against the vibrating blade to afford improved coagulating and cutting of tissue. Scissors-like grips actuate a pivoted clamp jaw along one side of the ultrasonically vibrating blade to compress and bias tissue against the blade in a direction normal to the direction of longitudinal vibratory movement. The clamp jaw and blade are rotatable relative to one another to align a selected blade edge of a multi-edged blade with the clamp jaw for cutting and coagulating while clamping or circumferentially spacing a selected blade edge from the clamp jaw for cutting and coagulating without clamping.

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