Textile electrodes are being developed for monitoring, eg, heart and respiration rate. Textile materials are comfortable and thus enable long-term monitoring. This flexibility, however, leads to many artefacts in the signals. One of the main problems in testing such sensors on a human body is the huge variability of the latter. This paper describes and objective method that enables accurate and reproducible characterization of textile electrodes using electrochemical impedance spectroscopy. The effect of textile structure, presence of sweat, sensor size and long-term stability are being studied.
Catrysse, M., Puers, R., Hertleer, C., Van Langenhove, L., van Egmond, H. and Matthys, D.2004: Towards the integration of textile sensors in a wireless monitoring suit. Sensors and Actuators A-Physical114, 302—11.
2.
Clark, Jr, J.W.1998: The origin of biopotentials. In Webster, J.G., editor, Medical instrumentation — application and design. John Wiley & Sons, 121—301.
3.
Golden, JrD.P., Wolthuis, R.A., and Hoffler, G.W.1973: A spectral analysis of the normal resting electrocardiogram . IEEE Transactions on Biomedical Engineering20, 366—72. http://www.smartex.it/uk/projects/physensor.htm
4.
Kiekens, P., Priniotakis, G., Westbroek, P. and Van Langenhove, L.2004: Study of the intelligent textile electrode—skin interface using electrochemical impedance spectroscopy for medical applications. International Conference: Innovation in Technical Textiles: World Market and Future Prospects, October, Barcelona. http://etseit-ct.upc.es/callpapers/PresentacionITC2004.pdf
5.
Park, S., Gopalsamy, C., Rajamanickam, R. and Jayaraman, S.1999: The wearable motherboard: an information infrastructure or sensate liner for medical applications. Studies in Health Technology and Informatics62, 252—58.
6.
Priniotakis, J.2005: Study of conductive textile electrodes as analytical tool for detection of parameters related to human body by (EIS) electrochemical impedance spectroscopy. PhD thesis, Ghent University.
7.
Weber, J.-L., Blanc, D., Dittmar, A., Comet, B., Corroy, C., Noury, N., Baghai, R., Vayasse, S. and Blinowska, A.2003: Telemonitoring of vital parameters with newly designed biomedical clothing VTAM. Proceedings of International Workshop — New Generation of Wearable Systems for e-Health: Towards a Revolution of Citizens' Health and Life Style Management?Lucca, Italy, 169—74.
8.
Westbroek, P., Priniotakis, G., Van Langenhove, L. and Kiekens, P.2004: Method for quality control of textile electrodes used in intelligent textiles by means of (EIS) electrochemical impedance spectroscopy . Textile Research Journal, accepted for publication.
