Vibration generating unit, vibrating body unit, and ultrasonic treatment apparatus
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United States of America Patent
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Aug 14, 2018
Grant Date -
Jul 14, 2016
app pub date -
Mar 18, 2016
filing date -
Nov 15, 2013
priority date (Note) -
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Abstract
A vibration generating unit includes a proximal side vibration transmitting section extended from a proximal end of the ultrasonic transducer toward a proximal direction. A proximal end of the proximal side vibration transmitting section is placed at a position apart from a reference antinode position toward the proximal direction by an extending dimension equal to an integral multiple of a half wavelength, when the reference antinode position is the closest to the ultrasonic transducer among antinode positions placed on the proximal direction side with respect to the ultrasonic transducer. The vibration generating unit includes an amplitude increasing section increasing an amplitude of the ultrasonic vibration transmitted toward the proximal direction in the proximal side vibration transmitting section.
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