Ultrasonic surgery apparatus

Details Ultrasonic surgery apparatus Ultrasonic surgery apparatus

2004-01-08

2010-12-14

Manahan, Todd E (Department: 3734)

Surgery

Instruments

Cutting, puncturing or piercing

C606S170000

Reexamination Certificate

active

07850707

ABSTRACT:
An ultrasonic surgery apparatus enabling smooth surgery. The ultrasonic apparatus is provided with an ultrasonic chip, a vibration inducing unit which induces ultrasonic vibration to the ultrasonic chip, an aspiration unit which aspirates tissue emulsified by vibration of the ultrasonic chip, a detection unit which detects a clogging condition of the ultrasonic chip, a footswitch, having a pedal, for emitting an output signal which is based on a depression amount or a depression position of the pedal, and a control unit which controls at least one of ultrasonic power and a pulse-duty ratio of the ultrasonic vibration based on the output signal from the footswitch and a detection result obtained by the detection unit.

REFERENCES:
patent: 5591127 (1997-01-01), Barwick, Jr. et al.
patent: 5700240 (1997-12-01), Barwick et al.
patent: 7077820 (2006-07-01), Kadziauskas et al.
patent: 05-300921 (1993-11-01), None
patent: 9-508298 (1997-08-01), None
patent: 11-206803 (1999-08-01), None
Japanese Notice of Rejection issued Oct. 17, 2007.
“Invention of an Ultrasonic Apparatus for Cataract Having the Function of Automatic Control of Ultrasonic Pulses” Shigeo Yaguchi et al, Subject No. 189, Japanese Journal of Ophthalmic Surgery, 2003, vol. 16, Extra No., p. 70, Jan. 10, 2003.

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