Regeneration-Type Nerve Electrode Using Bundled Microfluidic Channels

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  • Suzuki Takafumi
    Department of Information Physics and Computing, Graduate School of Information Science and Technology
  • Kotake Naoki
    Department of Advanced Interdisciplinary Studies Graduate School of Engineering, The University of Tokyo
  • Mabuchi Kunihiko
    Department of Information Physics and Computing, Graduate School of Information Science and Technology
  • Takeuchi Shoji
    Institute of Industrial Science, The University of Tokyo

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Other Title
  • 束状微小流路を利用した神経再生型電極の開発
  • タバジョウ ビショウ リュウロ オ リヨウシタ シンケイ サイセイガタ デンキョク ノ カイハツ

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Abstract

Neural interface devices that will allow signals from the human nervous system to control external equipment are extremely important for the next generation of prosthetic systems. A novel multichannel regeneration-type nerve electrode designed to record from and stimulate peripheral nerves has been developed to allow the control of artificial hands and to generate artificial sensations. In this study a novel flexible regeneration microelectrode based on the nerve regeneration principle was designed and fabricated using MEMS technologies. The electrode, which was fabricated on a 25-μm-thick Parylene C substrate, has multiple fluidic channels. Each fluidic channel was 100 μm wide × 30 μm high × 1500 μm long and featured multiple electrodes inside them as recording and stimulating sites. They also served as guidance channels for the regenerating axons.

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