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PhysioSkin: Rapid Fabrication of Skin-Conformal Physiological Interfaces

  • Advances in rapid prototyping platforms have made physiological sensing accessible to a wide audience. However, off-the-shelf electrodes commonly used for capturing biosignals are typically thick, non-conformal and do not support customization. We present PhysioSkin, a rapid, do-it-yourself prototyping method for fabricating custom multi-modal physiological sensors, using commercial materials and a commodity desktop inkjet printer. It realizes ultrathin skin-conformal patches (~1μm) and interactive textiles that capture sEMG, EDA and ECG signals. It further supports fabricating devices with custom levels of thickness and stretchability. We present detailed fabrication explorations on multiple substrate materials, functional inks and skin adhesive materials. Informed from the literature, we also provide design recommendations for each of the modalities. Evaluation results show that the sensor patches achieve a high signal-to-noise ratio. Example applications demonstrate the functionality and versatility of our approach for prototyping a next generation of physiological devices that intimately couple with the human body.

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Document Type:Conference Proceeding
conferenceobject_Type:Beitrag in Tagungsband
Conference Place:Honolulu <HI, USA>
Conference Date:April 25-30, 2020
Author:Aditya Shekhar NittalaORCiD, Arshad KhanORCiD, Klaus Kruttwig, Tobias KrausORCiD, Jürgen SteimleORCiD
Parent Title (English):Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems
First Page:Paper 239
Publisher:Association for Computing Machinery
Place of publication:New York <NY, USA>
Editor:Regina Bernhaupt
Year of first Publication:2020
Release Date:2022/08/26
Tag:e-textile; fabrication; ink-jet printing; physiological sensing; rapid prototyping
Funding Information:FP7 Ideas: European Research Council (714797)
DDC classes:000 Allgemeines, Informatik, Informationswissenschaft / 004 Informatik
Open Access:Open Access
Signature:INM 2020/154
Licence (German):License LogoCreative Commons - CC BY-NC - Namensnennung - Nicht kommerziell 4.0 International