Ultrasonic oscillator device for surgical operations

Details Ultrasonic oscillator device for surgical operations Ultrasonic oscillator device for surgical operations

B - Operations, Transporting

06

B

128/118, 326/15,

B06B 1/06 (2006.01) A61B 17/36 (1985.01)

Patent

CA 1203562

ABSTRACT OF THE DISCLOSURE An ultrasonic oscillation device adapted for use in surgical operations includes, for the purpose of producing ultrasonic vibrations of an amplitude and power capable of exhibiting a satisfactory tissue shattering capacity in a wide field of living tissues, an ultrasonic oscillation section having a power amplifier circuit for adjusting the amplitude of its output without any differ- ence in phase between the output and a feedback signal, and a starting impulse reducing circuit for reducing the impulse due to a transient current upon the starting of oscillation. Also, an ultrasonic transducer includes an electrostriction type transducer and a horn, and the horn forming a scalpel portion is provided with a suction opening adapted for irrigating an affected part operated on and its surrounding, floating shattered cellular pieces and sucking and removing the floated cellular pieces.

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