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Paper Abstract and Keywords
Presentation 2016-01-19 13:20
Development of measurement device of gastrointestinal oxygen saturation using red and near-infrared light
Yoshitaka Minami, Takashi Ohnishi (Chiba Univ.), Tomohiro Kurata (Takano Co., Ltd.), Hiroyuki Wasaki (NIT, Kisarazu college), Hiroshi Kawahira, Hideaki Haneishi (Chiba Univ.) MI2015-95
Abstract (in Japanese) (See Japanese page) 
(in English) In reconstructive and resection surgery of gastrointestinal organ, accurate diagnosis of organ viability is strongly required. However, it is difficult to discriminate a small difference of organ’s color by visual inspection. Then, we focus on the tissue oxygen saturation (StO2) that represents balance of oxygen demand and supply in tissue. On the basis of Beer-Lambert law, we determine an organ absorbance model considering scattering effect in tissue and estimate intraoperative gastrointestinal StO2. With the aim of easy-to-use in clinical situation, we have developed a practical prototype device to measure organ absorbance in which we use some red and near-infrared LEDs and a photo detector. Results of in vivo evaluation experiments using swine small intestine suggested the usefulness of the proposed method for quantification of intraoperative gastrointestinal viability.
Keyword (in Japanese) (See Japanese page) 
(in English) Oxygen saturation / Beer-Lambert law / Non-negative matrix factorization (NMF) / Monte Carlo simulation for photon propagation / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 401, MI2015-95, pp. 105-108, Jan. 2016.
Paper # MI2015-95 
Date of Issue 2016-01-12 (MI) 
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 MI  
Conference Date 2016-01-19 - 2016-01-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Bunka Tenbusu Kan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General topics in medical imaging 
Paper Information
Registration To MI 
Conference Code 2016-01-MI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of measurement device of gastrointestinal oxygen saturation using red and near-infrared light 
Sub Title (in English)  
Keyword(1) Oxygen saturation  
Keyword(2) Beer-Lambert law  
Keyword(3) Non-negative matrix factorization (NMF)  
Keyword(4) Monte Carlo simulation for photon propagation  
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1st Author's Name Yoshitaka Minami  
1st Author's Affiliation Chiba University (Chiba Univ.)
2nd Author's Name Takashi Ohnishi  
2nd Author's Affiliation Chiba University (Chiba Univ.)
3rd Author's Name Tomohiro Kurata  
3rd Author's Affiliation Takano Co., Ltd. (Takano Co., Ltd.)
4th Author's Name Hiroyuki Wasaki  
4th Author's Affiliation National Institute of Technology, Kisarazu college (NIT, Kisarazu college)
5th Author's Name Hiroshi Kawahira  
5th Author's Affiliation Chiba University (Chiba Univ.)
6th Author's Name Hideaki Haneishi  
6th Author's Affiliation Chiba University (Chiba Univ.)
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Speaker Author-1 
Date Time 2016-01-19 13:20:00 
Presentation Time 40 minutes 
Registration for MI 
Paper # MI2015-95 
Volume (vol) vol.115 
Number (no) no.401 
Page pp.105-108 
#Pages 4 
Date of Issue 2016-01-12 (MI) 

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