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Sensors 2017, 17(1), 111; doi:10.3390/s17010111

A Non-Invasive Multichannel Hybrid Fiber-Optic Sensor System for Vital Sign Monitoring

1
Department of Telecommunications, Faculty of Electrical Engineering and Computer Science, VSB–Technical University of Ostrava, 17 Listopadu 15, Ostrava 70833, Czech Republic
2
Department of Cybernetics and Biomedical Engineering, Faculty of Electrical Engineering and Computer Science, VSB-Technical University of Ostrava, 17 Listopadu 15, Ostrava 70833, Czech Republic
3
Department of Electrical and Computer Engineering, University of Texas El Paso, 500W University Ave, El Paso, TX 79968, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Vittorio M. N. Passaro
Received: 20 October 2016 / Revised: 13 December 2016 / Accepted: 27 December 2016 / Published: 8 January 2017
(This article belongs to the Collection Sensors for Globalized Healthy Living and Wellbeing)
View Full-Text   |   Download PDF [2540 KB, uploaded 15 January 2017]   |  

Abstract

In this article, we briefly describe the design, construction, and functional verification of a hybrid multichannel fiber-optic sensor system for basic vital sign monitoring. This sensor uses a novel non-invasive measurement probe based on the fiber Bragg grating (FBG). The probe is composed of two FBGs encapsulated inside a polydimethylsiloxane polymer (PDMS). The PDMS is non-reactive to human skin and resistant to electromagnetic waves, UV absorption, and radiation. We emphasize the construction of the probe to be specifically used for basic vital sign monitoring such as body temperature, respiratory rate and heart rate. The proposed sensor system can continuously process incoming signals from up to 128 individuals. We first present the overall design of this novel multichannel sensor and then elaborate on how it has the potential to simplify vital sign monitoring and consequently improve the comfort level of patients in long-term health care facilities, hospitals and clinics. The reference ECG signal was acquired with the use of standard gel electrodes fixed to the monitored person's chest using a real-time monitoring system for ECG signals with virtual instrumentation. The outcomes of these experiments have unambiguously proved the functionality of the sensor system and will be used to inform our future research in this fast developing and emerging field. View Full-Text
Keywords: vital signs; heart rate (HR); respiratory rate (RR); body temperature; fiber Bragg grating (FBG); polydimethylsiloxane (PDMS); magnetic resonance imaging (MRI); non-invasive measurements; patient monitoring; biomedical engineering vital signs; heart rate (HR); respiratory rate (RR); body temperature; fiber Bragg grating (FBG); polydimethylsiloxane (PDMS); magnetic resonance imaging (MRI); non-invasive measurements; patient monitoring; biomedical engineering
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Fajkus, M.; Nedoma, J.; Martinek, R.; Vasinek, V.; Nazeran, H.; Siska, P. A Non-Invasive Multichannel Hybrid Fiber-Optic Sensor System for Vital Sign Monitoring. Sensors 2017, 17, 111.

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