Magneto-Elastic Bilayers for Sleep Apnea Monitoring

Abstract:

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Magneto-elastic bilayers (BLs), consisting of a magnetostrictive layer and a non-magnetic counter layer, show highest sensitivity with respect to bending. This paper describes a biomedical application in the field of sleep apnea screening. A multi-parametric detector fixed at the thorax contains two BLs. One BL yields a skin curvature sensor adjusting itself to curvature variations given by physiological activities. The second BL exhibits a free end thus working as a motion sensor. The two signals are fed into artificial neural networks for the detection of events like normal respiration and apneas, as well as body movements and position.

Info:

Periodical:

Edited by:

A.G. Mamalis, M. Enokizono and A. Kladas

Pages:

355-359

DOI:

10.4028/www.scientific.net/MSF.670.355

Citation:

S. Traxler et al., "Magneto-Elastic Bilayers for Sleep Apnea Monitoring", Materials Science Forum, Vol. 670, pp. 355-359, 2011

Online since:

December 2010

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