Medical telesensors

Trinidad L. Ferrell; P. B. Crilly; S. F. Smith; Alan L. Wintenberg; Charles L. Britton Jr.; Gilbert W. Morrison; M. Nance Ericson; D. Hedden; Donald W. Bouldin; A. Passian; Todd R. Downey; A. G. Wig; Fabrice Meriaudeau

doi:10.1117/12.308029

1 May 1998 Medical telesensors

Trinidad L. Ferrell, P. B. Crilly, S. F. Smith, Alan L. Wintenberg, Charles L. Britton Jr., Gilbert W. Morrison, M. Nance Ericson, D. Hedden, Donald W. Bouldin, A. Passian, Todd R. Downey, A. G. Wig, Fabrice Meriaudeau

Author Affiliations +

Proceedings Volume 3253, Biomedical Sensing and Imaging Technologies; (1998) https://doi.org/10.1117/12.308029
Event: BiOS '98 International Biomedical Optics Symposium, 1998, San Jose, CA, United States

Abstract

Medical telesensors are self-contained integrated circuits for measuring and transmitting vital signs over a distance of approximately 1-2 meters. The circuits are unhoused and contain a sensor, signal processing and modulation electronics, a spread-spectrum transmitter, an antenna and a thin-film battery. We report on a body-temperature telesensor, which is sufficiently small to be placed on a tympanic membrane in a child's ear. We also report on a pulse-oximeter telesensor and a micropack receiver/long- range transmitter unit, which receives form a telesensor array and analyzes and re-transmits the vital signs over a longer range. Signal analytics are presented for the pulse oximeter, which is currently in the form of a finger ring. A multichip module is presented as the basic signal-analysis component. The module contains a microprocessor, a field=programmable gate array, memory elements and other components necessary for determining trauma and reporting signals.

Citation Download Citation

Trinidad L. Ferrell, P. B. Crilly, S. F. Smith, Alan L. Wintenberg, Charles L. Britton Jr., Gilbert W. Morrison, M. Nance Ericson, D. Hedden, Donald W. Bouldin, A. Passian, Todd R. Downey, A. G. Wig, and Fabrice Meriaudeau "Medical telesensors", Proc. SPIE 3253, Biomedical Sensing and Imaging Technologies, (1 May 1998); https://doi.org/10.1117/12.308029

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