Three-Dimensionally Stacked Analog Retinal Prosthesis Chip
スポンサーリンク
概要
- 論文の詳細を見る
As blind patients with an intact optic nerve and damaged photoreceptor cells increase in number in recent years, there has been a growing interest in visual prostheses by electrically stimulating their retinas. Previous clinical studies indicated that blind patients perceive a controlled electrical current applied to a small area of the retina via electrodes as a spot of light. We propose a novel implantable device, so-called three-dimensionally (3D) stacked retinal prosthesis, which is composed of a photodetector, an image processor, electrical current generator circuits, and an electrode array on one chip. The spice simulation showed that our designed analog circuits for 3D stacked retinal prosthesis chip could output desirable electrical current with variable pulse width by controlling bias voltages.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2004-04-15
著者
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Deguchi Jun
Department Of Neurosurgery Osaka Medical College
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Shim Jeoung-chill
Department Of Bioengineering And Robotics Tohoku University
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Fukushima Takafumi
Department Of Advanced Materials Chemistry Graduate School Of Engineering Yokohama National Universi
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Abe Toshiaki
Graduate School Of Medicine Tohoku University
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WATANABE Taiichiro
Department of Bioengineering and Robotics, Graduate School of Engineering, Tohoku University
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Nakagawa Yoshihiro
Department Of Bioengineering And Robotics Tohoku University
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Nakamura Tomonori
Department Of Molecular Pharmacology And Pharmacotherapeutics Graduate School Of Pharmaceutical Scie
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Koyanagi Mitsumasa
Department Of Bioengineering And Robotics Graduate School Of Engineering Tohoku University
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Kurino Hiroyuki
Department Of Bioengineering And Robotics Graduate School Of Engineering Tohoku University
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Tamai Makoto
Graduate School Of Medicine Tohoku University
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Koyanagi Mitsumasa
Department of Bioengineering and Robotics, Tohoku University, 01 Aza Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan
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Nakagawa Yoshihiro
Department of Bioengineering and Robotics, Tohoku University, 01 Aza Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan
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Shim Jeoung-Chill
Department of Bioengineering and Robotics, Tohoku University, 01 Aza Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan
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Tamai Makoto
Graduate School of Medicine, Tohoku University, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan
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Abe Toshiaki
Graduate School of Medicine, Tohoku University, 2-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan
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Nakamura Tomonori
Department of Bioengineering and Robotics, Tohoku University, 01 Aza Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan
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Deguchi Jun
Department of Bioengineering and Robotics, Graduate School of Engineering, Tohoku University, 6-6-01 Aza Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan
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Watanabe Taiichiro
Department of Bioengineering and Robotics, Tohoku University, 01 Aza Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan
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