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Print: ISSN 0914-4935
Online: ISSN 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
Online: ISSN 2435-0869
Sensors and Materials
is an international peer-reviewed open access journal to provide a forum for researchers working in multidisciplinary fields of sensing technology.
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Sensors and Materials
is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.
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English 日本語
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MYU K.K.
Sensors and Materials
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is covered by Science Citation Index Expanded (Clarivate Analytics), Scopus (Elsevier), and other databases.
Instructions to authors
English 日本語
Instructions for manuscript preparation
English 日本語
Template
English
Publisher
MYU K.K.
Sensors and Materials
1-23-3-303 Sendagi,
Bunkyo-ku, Tokyo 113-0022, Japan
Tel: 81-3-3827-8549
Fax: 81-3-3827-8547
MYU Research, a scientific publisher, seeks a native English-speaking proofreader with a scientific background. B.Sc. or higher degree is desirable. In-office position; work hours negotiable. Call 03-3827-8549 for further information.
MYU Research
(proofreading and recording)
MYU K.K.
(translation service)
The Art of Writing Scientific Papers
(How to write scientific papers)
(Japanese Only)
Sensors and Materials, Volume 24, Number 4 (2012)
Copyright(C) MYU K.K.
Copyright(C) MYU K.K.
|
pp. 181-187
S&M878 Research Paper of Special Issue https://doi.org/10.18494/SAM.2012.822 Published: May 14, 2012 Clinical Trial of Chronic Implantation of Suprachoroidal-Transretinal Stimulation System for Retinal Prosthesis [PDF] Takashi Fujikado, Motohiro Kamei, Hirokazu Sakaguchi, Hiroyuki Kanda, Takeshi Morimoto, Yasushi Ikuno, Kentaro Nishida, Haruhiko Kishima, Tomoyuki Maruo, Hajime Sawai, Tomomitsu Miyoshi, Koji Osawa and Motoki Ozawa (Received December 9, 2011; Accepted January 30, 2012) Keywords: retinal prosthesis, retinitis pigmentosa, artificial vision, clinical trial, suprachoroidal-transretinal stimulation
Retinal prosthesis is an implantable medical device to reconstruct the sense of sight for blind individuals. We have been developing a new type of retinal prosthesis called suprachoroidal-transretinal stimulation (STS), whereby an electrode array is not attached to the retina directly. To evaluate the feasibility and safety of the retinal prosthesis using STS, a clinical trial was performed. We have developed an internal device for chronic implantation. It consists of a 49-channel electrode array that has 9 active electrodes. The retinal prosthesis was implanted in two patients with advanced retinitis pigmentosa (RP). Follow-up periods after implantation were five (Pt 1) and seven (Pt 2) weeks. No significant adverse event was observed in either patient after the surgical procedures. A functional test revealed that the detection or discrimination of objects was possible using the device, and a pulse frequency of around 20 Hz is the most effective in evoking phosphene. These clinical examinations showed that the retinal prosthesis with the STS system is safe and feasible for artificial vision.
Corresponding author: Takashi Fujikado Cite this article Takashi Fujikado, Motohiro Kamei, Hirokazu Sakaguchi, Hiroyuki Kanda, Takeshi Morimoto, Yasushi Ikuno, Kentaro Nishida, Haruhiko Kishima, Tomoyuki Maruo, Hajime Sawai, Tomomitsu Miyoshi, Koji Osawa and Motoki Ozawa, Clinical Trial of Chronic Implantation of Suprachoroidal-Transretinal Stimulation System for Retinal Prosthesis, Sens. Mater., Vol. 24, No. 4, 2012, p. 181-187. |
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