High-speed observation of two-frequency controlled cloud cavitation in HIFU field

Teiichiro Ikeda, Masataka Tosaki, Shin Yoshizawa, Yoichiro Matsumoto

研究成果: 書籍の章/レポート/Proceedings会議への寄与査読

抄録

Ultrasound induced cavitation control with application to lithotripsy has been investigated. Previously, a two-frequency ultrasound combination has been proposed to utilize the violent collapse of the cloud cavitation. In this paper, the cavitation cloud collapse phenomena is investigated experimentally in more detail. The behaviour of the bubble cloud formation in the high frequency phase (3.88 [MHz]) is photographed. Then low frequency ultrasound (555 kHz, short pulse) is used to expose the various kinds of the cloud. Acoustic emission due to the bubble collapse is recorded with a Passive Cavitation Detector (PCD) and the response of the cloud to the 555 [kHz] ultrasound is investigated.

本文言語英語
ホスト出版物のタイトル4th International Symposium on Therapeutic Ultrasound
ページ199-203
ページ数5
DOI
出版ステータス出版済み - 2005 3月 28
イベント4th International Symposium on Therapeutic Ultrasound - Kyoto, 日本
継続期間: 2004 9月 182004 9月 20

出版物シリーズ

名前AIP Conference Proceedings
754
ISSN(印刷版)0094-243X
ISSN(電子版)1551-7616

会議

会議4th International Symposium on Therapeutic Ultrasound
国/地域日本
CityKyoto
Period04/9/1804/9/20

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