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Paper Abstract and Keywords
Presentation 2015-01-23 13:50
Fundamental study to realize optical imaging of arteriovenous fistula with PSF
Takahiro Enomoto, Masataka Kitama, Hisae Shimizu, Masaji Yamashita, Junji Arisawa (Hokkaido Univ. of Science), Yoshinori Tanaka (Asahikawa City Hospital), Koichi Shimizu (Hokkaido Univ.) MBE2014-113
Abstract (in Japanese) (See Japanese page) 
(in English) In clinical treatment, an arteriovenous fistula is constructed in the forearm for effective dialysis therapy. To prevent the stenosis and occlusion of the fistula, its routine care is indispensable. We have developed a simple and noninvasive technique to obtain a transillumination image of the arteriovenous fistula utilizing the light scattered in the body tissue. In this study, we tried to estimate the inner diameter of blood vessel by improving the transillumination image with a point spread function and the brightness profile of the improved image. In the experiment with a model phantom of adult forearm, we could obtain good agreement between the given and the estimated diameters of blood vessel. Using the calibration curve obtained from a different model phantom, the estimation error was reduced from 66% to 2% for the blood vessel of 2 mm diameter. Through these analyses, the feasibility to realize the daily care of an arteriovenous fistula was verified.
Keyword (in Japanese) (See Japanese page) 
(in English) arteriovenous fistula / optical imaging / point spread function (PSF) / vascular access stenosis / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 408, MBE2014-113, pp. 105-109, Jan. 2015.
Paper # MBE2014-113 
Date of Issue 2015-01-15 (MBE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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reproduction		 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 MBE  
Conference Date 2015-01-22 - 2015-01-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Kumamoto University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2015-01-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Fundamental study to realize optical imaging of arteriovenous fistula with PSF 
Sub Title (in English)  
Keyword(1) arteriovenous fistula  
Keyword(2) optical imaging  
Keyword(3) point spread function (PSF)  
Keyword(4) vascular access stenosis  
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1st Author's Name Takahiro Enomoto  
1st Author's Affiliation Hokkaido University of Science (Hokkaido Univ. of Science)
2nd Author's Name Masataka Kitama  
2nd Author's Affiliation Hokkaido University of Science (Hokkaido Univ. of Science)
3rd Author's Name Hisae Shimizu  
3rd Author's Affiliation Hokkaido University of Science (Hokkaido Univ. of Science)
4th Author's Name Masaji Yamashita  
4th Author's Affiliation Hokkaido University of Science (Hokkaido Univ. of Science)
5th Author's Name Junji Arisawa  
5th Author's Affiliation Hokkaido University of Science (Hokkaido Univ. of Science)
6th Author's Name Yoshinori Tanaka  
6th Author's Affiliation Asahikawa City Hospital (Asahikawa City Hospital)
7th Author's Name Koichi Shimizu  
7th Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2015-01-23 13:50:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # MBE2014-113 
Volume (vol) vol.114 
Number (no) no.408 
Page pp.105-109 
#Pages 5 
Date of Issue 2015-01-15 (MBE) 

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