Flexible Electrode by Hydrographic Printing for Surface Electromyography Monitoring release_wkmiobgueba7rj4judkkuauyta

by Xiong Zeng, Ying Dong, Xiaohao Wang

Published in Materials by MDPI AG.

2020   Volume 13, Issue 10, p2339

Abstract

Surface electromyography (sEMG) monitoring has recently inspired new applications in the field of patient diagnose, rehabilitation therapy, man–machine–interface and prosthesis control. However, conventional wet electrodes for sEMG recording cannot fully satisfy the requirements of these applications because they are based on rigid metals and conductive gels that cause signal quality attenuation, motion artifact and skin allergy. In this study, a novel flexible dry electrode is presented for sEMG monitoring. The electrode is fabricated by screen-printing a silver–eutectic gallium–indium system over a transfer tattoo paper, which is then hydrographically printed on 3D surface or human skin. Peano curve in open-network pattern is adopted to enhance the mechanics of the electrode. Hydrographic printing enables the electrode to attach to skin intimately and conformably, meanwhile assures better mechanical and electrical properties and therefore improves the signal quality and long-term wearability of the electrode. By recording sEMG signal of biceps under three kinds of movement with comparison to conventional wet electrode, the feasibility of the presented flexible dry electrode for sEMG monitoring was proved.
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Type  article-journal
Stage   published
Date   2020-05-19
Language   en ?
DOI  10.3390/ma13102339
PubMed  32438718
PMC  PMC7287936
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