A Minimally-Invasive Intracranial EEG Sensor Array Guided by A Shape Memory Alloy Guidewire

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  • Yamakawa Toshitaka
    Faculty of Engineering, Shizuoka University Fuzzy Logic System Institute
  • Yamakawa Takeshi
    Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology Fuzzy Logic System Institute
  • Ishizuka Satoru
    Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology
  • Shuji Aou
    Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology
  • Fujii Masami
    Department of Neurosurgery, Yamaguchi University School of Medicine
  • Suzuki Michiyasu
    Department of Neurosurgery, Yamaguchi University School of Medicine

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  • 形状記憶合金ガイドを用いた低侵襲頭蓋内脳波センサ
  • ケイジョウ キオク ゴウキン ガイド オ モチイタ テイシンシュウズガイ ナイ ノウハ センサ

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Abstract

We propose a subdural electrode array guided by a 0.3mm-diameter SMA guidewire for a minimally-invasive method of electrocorticogram recording. The measured electric characteristics show that the proposed electrodes are compatible with the application of electrocorticogram recording. Somatosensory evoked potential is measured by the proposed method in the animal test in vivo. The results confirm that the proposed electrode array is available for the ECoG recording under a minimally invasive surgery.

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