A microfabricated coil for implantable applications of magnetic spinal cord stimulation.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference Pub Date : 2015-01-01 DOI:10.1109/EMBC.2015.7319982

Yu-Min Fu, Che-Yu Chen, Xin-Hong Qian, Yu-Ting Cheng, Chung-Yu Wu, Jui-Sheng Sun, Chien-Chun Huang, Chao-Kai Hu

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Abstract

In this paper, a microfabricated inductive coil comprising of 125-turn coil windings and a MnZn-based magnetic core in a volume of 200 mm(3) is presented for the magnetic neural stimulation in a spinal cord. The coil winding with the parallel-linkage design instead of the typical serial-linkage one is proposed not only to provide better design flexibility to the current mode driving circuit but also to simplify the fabrication process of the 3-D inductive coil, which can further advance the coil miniaturization. Experimental results show the microcoil with a 1.5 A, 1 kHz square-wave current input can induce a voltages of ~220 μV on the conducting wire with an impedance of ~0.2 Ω @ 1 kHz, 1 mm separation.

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一种用于脊髓磁刺激植入式应用的微制造线圈。

在本文中，提出了一种由125匝线圈绕组和一个体积为200 mm(3)的mnzn基磁芯组成的微制造电感线圈，用于脊髓的磁神经刺激。提出用并联机构设计代替典型的串联机构设计的线圈绕组，不仅为电流驱动电路提供了更好的设计灵活性，而且简化了三维电感线圈的制作工艺，进一步推进了线圈的小型化。实验结果表明，当输入1.5 a、1 kHz方波电流时，微线圈可对阻抗为~0.2 Ω @ 1 kHz、间隔为1 mm的导线产生~220 μV的电压。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference

CiteScore

2.20

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0.00%

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