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Paper Abstract and Keywords
Presentation 2016-10-07 15:35
Study on Control of Coagulation Size Induced by Bubble-Enhanced Ultrasound Heating Using Scattered Ultrasound Signal from Focal Region of Therapeutic Ultrasound
Kentaro Tomiyasu, Ryo Takagi, Ryosuke Iwasaki, Shin Yoshizawa, Shin-ichiro Umemura (Tohoku Univ.) US2016-46
Abstract (in Japanese) (See Japanese page) 
(in English) High-intensity Focused Ultrasound (HIFU) treatment is a noninvasive method of treatment in which ultrasound is generated by transducer set outside the body and focused on a target tissue such as a cancer inside the body to be thermally coagulated. Recent years, bubble-enhanced treatment is known to enhance the efficiency of treatment. Thermal dose of each HIFU exposure should be adjusted in real-time to enhance the safety and accuracy of this treatment. In this study, the therapeutic ultrasound scattered by the thermal region, potentially containing HIFU-induced bubbles, is regarded as a feedback element and therapeutic ultrasound duration time is controlled by detecting the change in such feedback element. The result suggests that the proposed method significantly improves the reproducibility of coagulation size.
Keyword (in Japanese) (See Japanese page) 
(in English) HIFU / ultrasound imaging / cavitation bubble / real-time feedback / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 241, US2016-46, pp. 11-15, Oct. 2016.
Paper # US2016-46 
Date of Issue 2016-09-30 (US) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee US  
Conference Date 2016-10-07 - 2016-10-07 
Place (in Japanese) (See Japanese page) 
Place (in English) College of Eng., Nihon Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To US 
Conference Code 2016-10-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study on Control of Coagulation Size Induced by Bubble-Enhanced Ultrasound Heating Using Scattered Ultrasound Signal from Focal Region of Therapeutic Ultrasound 
Sub Title (in English)  
Keyword(1) HIFU  
Keyword(2) ultrasound imaging  
Keyword(3) cavitation bubble  
Keyword(4) real-time feedback  
1st Author's Name Kentaro Tomiyasu  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Ryo Takagi  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Ryosuke Iwasaki  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Shin Yoshizawa  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
5th Author's Name Shin-ichiro Umemura  
5th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2016-10-07 15:35:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2016-46 
Volume (vol) vol.116 
Number (no) no.241 
Page pp.11-15 
Date of Issue 2016-09-30 (US) 

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