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| Presentation | 2017-11-25 10:50 Analysis of Electrochemical Properties of Stimulation Electrode for Visual Prosthesis in Chronic Stimulation Mariko Kuwabara (NAIST), Hiroyuki Tashiro (Kyushu Univ.), Yasuo Terasawa, Yukari Nakano (Nidek), Jun Ohta (NAIST)  MBE2017-51 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Visual prosthesis is a device that reproduces a lost vision by electrical stimulation to the visual nervous system via metal stimulation electrodes. Excessive stimulation current affects durability of the electrode. In this study, it was obtained that change in interface characteristics of stimulation electrode due to stimulation. Electrochemical impedance spectroscopy (EIS) of active/inactive electrodes implanted into rabbit eyeball was performed, and the EIS result was evaluated by equivalent circuit analysis. Histological evaluation was also conducted, then, granulation tissue was observed around the both electrodes. As a result of equivalent circuit analysis, the electrochemical characteristics of the electrode were different between active and inactive electrode, and it was presumed that desorption of protein adsorbed on electrode surface of active electrode. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Visual prosthesis / Stimulation electrode / Electrochemical impedance spectroscopy / Equivalent circuit analysis / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 324, MBE2017-51, pp. 23-28, Nov. 2017. | |
| Paper # | MBE2017-51 | |
| Date of Issue | 2017-11-17 (MBE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and 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) | |
| Download PDF | MBE2017-51 |
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| Conference Information | |
| Committee | MBE NC |
| Conference Date | 2017-11-24 - 2017-11-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | BCI/BMI, generall |
| Paper Information | |
| Registration To | MBE |
| Conference Code | 2017-11-MBE-NC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Analysis of Electrochemical Properties of Stimulation Electrode for Visual Prosthesis in Chronic Stimulation |
| Sub Title (in English) | |
| Keyword(1) | Visual prosthesis |
| Keyword(2) | Stimulation electrode |
| Keyword(3) | Electrochemical impedance spectroscopy |
| Keyword(4) | Equivalent circuit analysis |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Mariko Kuwabara |
| 1st Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
| 2nd Author's Name | Hiroyuki Tashiro |
| 2nd Author's Affiliation | Kyushu University (Kyushu Univ.) |
| 3rd Author's Name | Yasuo Terasawa |
| 3rd Author's Affiliation | Nidek Co., Ltd. (Nidek) |
| 4th Author's Name | Yukari Nakano |
| 4th Author's Affiliation | Nidek Co., Ltd. (Nidek) |
| 5th Author's Name | Jun Ohta |
| 5th Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
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| Speaker | Author-1 |
| Date Time | 2017-11-25 10:50:00 |
| Presentation Time | 25 minutes |
| Registration for | MBE |
| Paper # | MBE2017-51 |
| Volume (vol) | vol.117 |
| Number (no) | no.324 |
| Page | pp.23-28 |
| #Pages | 6 |
| Date of Issue | 2017-11-17 (MBE) |
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