Ultrasound transducer and treatment tool that includes a piezoelectric element and a horn

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United States of America Patent

PATENT NO 11903604
APP PUB NO 20220257278A1
SERIAL NO

17179035

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An ultrasound transducer includes: a piezoelectric element unit including a plurality of piezoelectric elements configured to generate an ultrasound vibration; and a horn that extends from a distal end toward a proximal end to define a longitudinal axis direction and that is connected to a distal end side of the piezoelectric element unit. The horn includes a first transformation portion whose cross-sectional area orthogonal to the longitudinal axis direction decreases toward a distal end, the first transformation portion being configured to amplify amplitude of the ultrasound vibration, and a second transformation portion that is provided between the first transformation portion and a connection position at which the horn and the piezoelectric element unit are connected, the second transformation portion being configured to amplify or attenuates the amplitude of the ultrasound vibration.

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Patent Owner(s)

Patent OwnerAddress
OLYMPUS CORPORATION2951 ISHIKAWA-MACHI HACHIOJI-SHI TOKYO 192-8507

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Toda, Masaya Sagamihara, JP 20 20

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