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Novel active electrodes for ECG monitoring on woven textiles fabricated by screen and stencil printing

Novel active electrodes for ECG monitoring on woven textiles fabricated by screen and stencil printing
Novel active electrodes for ECG monitoring on woven textiles fabricated by screen and stencil printing
This paper describes a process for fabricating active electrodes and flexible conductive tracks on woven textiles for use in electrocardiogram (ECG) monitoring systems. The process involves the screen and stencil printing of dielectric and conductive polymer pastes on to a textile substrate. Unlike previous printed active electrodes which are printed on non-woven textiles, this paper reports active electrodes which are printed on to a significantly more challenging woven textile by making use of a polymer interface paste that reduces the surface roughness of the underlying textile. The conductive paths supplying power to the electrodes and carrying the buffered signal to the amplifier are implemented with a screen printable silver polymer paste. The electrode material is a stencil printed carbon loaded rubber. The buffer amplifier, which converts high impedance signals into low impedance signals, is integrated into the electrode structure, reducing the area taken up by the components and improving comfort during wearing. These electrodes are compared to passive electrodes fabricated with the same process and also to commercially available Ag/AgCl electrodes in an ECG monitoring application when the monitored subject is stationary, walking and jogging. It is shown that the textile active electrodes provide significantly improved performance compared to textile passive electrodes and similar performance to the Ag/AgCl electrodes.
Wearable health monitoring, Smart textiles, Screen printing, ECG
0924-4247
60-66
Gordon, Paul
4bf59556-13d5-4c71-b944-f2100f7fa44d
Torah, Russel
7147b47b-db01-4124-95dc-90d6a9842688
Beeby, Stephen
ba565001-2812-4300-89f1-fe5a437ecb0d
Tudor, Michael
46eea408-2246-4aa0-8b44-86169ed601ff
Gordon, Paul
4bf59556-13d5-4c71-b944-f2100f7fa44d
Torah, Russel
7147b47b-db01-4124-95dc-90d6a9842688
Beeby, Stephen
ba565001-2812-4300-89f1-fe5a437ecb0d
Tudor, Michael
46eea408-2246-4aa0-8b44-86169ed601ff

Gordon, Paul, Torah, Russel, Beeby, Stephen and Tudor, Michael (2015) Novel active electrodes for ECG monitoring on woven textiles fabricated by screen and stencil printing. Sensors and Actuators A: Physical, 221, 60-66. (doi:10.1016/j.sna.2014.10.030).

Record type: Article

Abstract

This paper describes a process for fabricating active electrodes and flexible conductive tracks on woven textiles for use in electrocardiogram (ECG) monitoring systems. The process involves the screen and stencil printing of dielectric and conductive polymer pastes on to a textile substrate. Unlike previous printed active electrodes which are printed on non-woven textiles, this paper reports active electrodes which are printed on to a significantly more challenging woven textile by making use of a polymer interface paste that reduces the surface roughness of the underlying textile. The conductive paths supplying power to the electrodes and carrying the buffered signal to the amplifier are implemented with a screen printable silver polymer paste. The electrode material is a stencil printed carbon loaded rubber. The buffer amplifier, which converts high impedance signals into low impedance signals, is integrated into the electrode structure, reducing the area taken up by the components and improving comfort during wearing. These electrodes are compared to passive electrodes fabricated with the same process and also to commercially available Ag/AgCl electrodes in an ECG monitoring application when the monitored subject is stationary, walking and jogging. It is shown that the textile active electrodes provide significantly improved performance compared to textile passive electrodes and similar performance to the Ag/AgCl electrodes.

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More information

Accepted/In Press date: 28 October 2014
e-pub ahead of print date: 14 November 2014
Published date: 1 January 2015
Keywords: Wearable health monitoring, Smart textiles, Screen printing, ECG

Identifiers

Local EPrints ID: 431303
URI: https://eprints.soton.ac.uk/id/eprint/431303
ISSN: 0924-4247
PURE UUID: 9dc9b717-adce-4866-b292-3144211766a6
ORCID for Russel Torah: ORCID iD orcid.org/0000-0002-5598-2860
ORCID for Stephen Beeby: ORCID iD orcid.org/0000-0002-0800-1759

Catalogue record

Date deposited: 29 May 2019 16:30
Last modified: 26 Nov 2019 02:02

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Contributors

Author: Paul Gordon
Author: Russel Torah ORCID iD
Author: Stephen Beeby ORCID iD
Author: Michael Tudor

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