Ultrasonic treating apparatus with device for inhibiting drive w

Details Ultrasonic treating apparatus with device for inhibiting drive w Ultrasonic treating apparatus with device for inhibiting drive w

1989-06-28

1991-08-27

Smith, Ruth S.

Surgery

Truss

Perineal

606128, 310316, A61B 1722

Patent

active

050424602

ABSTRACT:
An ultrasonic treating apparatus includes an inpedance detection unit for detecting the impedance of an ultrasonic vibration element for transmitting ultrasonic vibrations and a determining unit for determining whether the ultrasonic vibration element is good or not. If the ultrasonic vibration element is found not to be good, then a control unit inhibits ultrasonic vibrations from being generated from the ultrasonic vibration element. It is thus possible to prevent any breakage of the apparatus.

REFERENCES:
patent: 4371816 (1983-02-01), Wieser
patent: 4551690 (1985-11-01), Quist
patent: 4658172 (1987-04-01), Izukawa
patent: 4658819 (1987-04-01), Harris et al.
patent: 4708127 (1987-11-01), Abdelghani
patent: 4721107 (1988-01-01), Bolg et al.
patent: 4791915 (1988-12-01), Barsotti et al.
patent: 4893624 (1990-01-01), Lele
patent: 4979952 (1990-12-01), Kubota et al.

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