Surgery – Means for introducing or removing material from body for... – With means for cutting – scarifying – or vibrating tissue
Patent
1998-10-16
2000-05-16
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
With means for cutting, scarifying, or vibrating tissue
606 45, 606169, 601 2, A61B 1720
Patent
active
060630507
ABSTRACT:
An ultrasonic dissection and coagulation system for surgical use is provided. The system includes an ultrasonic instrument, a control module, and a pedal actuator. The ultrasonic actuator has a housing and an elongated body portion extending from the housing. An ultrasonic transducer supported within the housing is operatively connected to a cutting blade by a vibration coupler. The vibration coupler conducts high frequency vibration from the ultrasonic transducer to the cutting blade. The cutting blade has a cutting surface which is angled with respect to the longitudinal axis of the elongated body portion and, thus, with respect to the axis of vibration. A clamp member having a tissue contact surface is positioned adjacent to the blade member and is movable from an open position in which the tissue contact surface is in close juxtaposed alignment with the cutting surface to clamp tissue therebetween. The clamp member and the angled blade combine to enhance contact between tissue and the cutting surface of the blade member.
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U.S. Patent Application Serial No. 08/925,184.
Aranvi Ernie
Isola Scott
Manna Ronald
Mastri Dominick L.
Stone Corbett W.
Misonix Inc.
United States Surgical Corp.
Yasko John D.
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