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A CMOS-based flexible retinal stimulator equipped with bullet-shaped bulk Pt electrodes was fabricated and demonstrated. We designed a new CMOS unit chip with an on-chip stimulator, single- and multi-site stimulation modes, and monitoring functions. We have developed a new structure and packaging process of flexible retinal stimulator with bullet-type bulk Pt electrode. We have confirmed the retinal...
We developed a novel CMOS-based multichip flexible neural stimulator with on-chip stimulation generator. It enables simultaneous multi-site stimulation. We also propose a new type of multi-chip retinal stimulator with single electrode / unit chip configuration. We successfully performed simultaneous multi-site stimulation in an in vivo retinal stimulation experiment using a rabbit.
We developed a CMOS LSI stimulator chip for retinal prosthesis technology with features of (1) multi-site stimulation using an on-chip stimulator, (2) light-controlled (image-based) stimulation. The retinal stimulator was configured as an array of small-sized intelligent CMOS stimulators called a ldquounit chip.rdquo We can set different conditions for each unit chip connected to a single set of 5-channel...
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