Method and apparatus for ultrasonic surgical fragmentation and r

Details Method and apparatus for ultrasonic surgical fragmentation and r Method and apparatus for ultrasonic surgical fragmentation and r

1986-04-02

1989-05-09

Jaworski, Francis

Surgery

Truss

Perineal

310317, A61H 100

Patent

active

048279110

ABSTRACT:
A method and apparatus for periodically interrupting ultrasonic power applied to a ultrasonically vibrating tip to control its amplitude between high and low or zero amplitudes with a selectible duty cycle and repetition rate provides enhanced fragmentation and improves surgical control. The duty cycle may also vary as a function of a remotely sensed parameter such as tissue temperature.

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