2008 | OriginalPaper | Buchkapitel
A Flexible Thin-film Microelectrode for Optic-Nerve Visual Prosthesis
verfasst von : Xiaohong Sui, Yinghui Li, Yijing Xie, Ting Liang, Wei Chen, Yiliang Lu, Gang Li, Kai Wang, Qiushi Ren
Erschienen in: 7th Asian-Pacific Conference on Medical and Biological Engineering
Verlag: Springer Berlin Heidelberg
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A novel 16-channel flexible thin-film microelectrode was fabricated for optic-nerve visual prosthesis by MEMS (Micro Electromechanical System) technology. It was encapsulated by medical-grade silicone adhesive and suitable for chronic stabilization
in-vivo
. Testing results
in-vitro
showed that average impedance of each channel was 100kΩ at 1kHz and that the microelectrode had good biocompatibility with the optic-nerve glial cells. Proper surgery was adopted to implant the microelectrode in the optic-nerve dura.