A Neurostimulator Design for Long-term Animal Experiments

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Zhou, Jingai; Woo, Se Joon; Park, Se Ik; Lee, Seung Woo; Chung, Hum; Kim, Sung June
Issue Date
Frontiers in the Convergence of Bioscience and Information Technologies 2007(FBIT 2007), Jeju Island, Korea, October 11-13, 2007
This article reports on a neural prosthesis stimulation system for long-term use in animal electrical stimulation experiments. The presented system consists of an implantable stimulator which provides continuous electrical stimulation, and an external component which provides preset stimulation parameters and power to the implanted stimulator via a paired RF (radio frequency) coil. A rechargeable internal battery and a parameter memory component were introduced to the implanted neural stimulator. As a result, the external component was not necessary during the stimulation cycles. The implantable stimulator was implemented with IC chips and the electronics, except for the stimulation electrodes, were hermetically packaged in a biocompatible metal case. A polyimide-based gold electrode array was used for realization of the animal implantation test using retinal prosthesis approach.
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Others_전기·정보공학부
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