Application of long period gratings sensors to respiratory function monitoring

Thomas D.P. Allsop; T. Earthgrowl; R. Revees; D.J. Webb; M. Miller; B. Jones; I. Bennion

doi:10.1117/12.569297

Application of long period gratings sensors to respiratory function monitoring

Thomas D.P. Allsop, T. Earthgrowl, R. Revees, D.J. Webb, M. Miller, B. Jones, I. Bennion

Aston Institute of Photonic Technologies (AiPT)

Research output: Chapter in Book/Published conference output › Conference publication

Abstract

A series of in-line curvature sensors on a garment are used to monitor the thoracic and abdominal movements of a human during respiration. These results are used to obtain volumetric tidal changes of the human torso showing reasonable agreement with a spirometer used simultaneously to record the volume at the mouth during breathing. The curvature sensors are based upon long period gratings written in a progressive three layered fibre that are insensitive to refractive index changes. The sensor platform consists of the long period grating laid upon a carbon fibre ribbon, which is encapsulated in a low temperature curing silicone rubber. An array of sensors is also used to reconstruct the shape changes of a resuscitation manikin during simulated respiration. The data for reconstruction is obtained by two methods of multiplexing and interrogation: firstly using the transmission spectral profile of the LPG's attenuation bands measured using an optical spectrum analyser; secondly using a derivative spectroscopy technique.

Original language	English
Title of host publication	Smart medical and biomedical sensor technology II
Editors	Brian M. Cullum
Publisher	SPIE
Pages	148-156
Number of pages	9
ISBN (Print)	978-0-8194-5541-3
DOIs	https://doi.org/10.1117/12.569297
Publication status	Published - Dec 2004
Event	Smart Medical and Biomedical Sensor Technology II - Philadelphia, PA, United States Duration: 25 Oct 2004 → …

Publication series

Name	SPIE proceedings
Publisher	SPIE
Volume	5588
ISSN (Print)	0277-786X

Conference

Conference	Smart Medical and Biomedical Sensor Technology II
Country/Territory	United States
City	Philadelphia, PA
Period	25/10/04 → …

Bibliographical note

Thomas D. Allsop ; Tim Earthrowl ; Richard Revees ; David J. Webb ; Martin Miller ; Barrie W. Jones and Ian Bennion "Application of long-period grating sensors to respiratory function monitoring", Proc. SPIE 5588, Smart Medical and Biomedical Sensor Technology II, 148 (December 7, 2004);

Copyright 2004 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

http://dx.doi.org/10.1117/12.569297

Keywords

curvature sensing
respiratory monitoring
long period gratings

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10.1117/12.569297

Application of long period gratings sensors to respiratory function monitoring
Thomas D. Allsop ; Tim Earthrowl ; Richard Revees ; David J. Webb ; Martin Miller ; Barrie W. Jones and Ian Bennion "Application of long-period grating sensors to respiratory function monitoring", Proc. SPIE 5588, Smart Medical and Biomedical Sensor Technology II, 148 (December 7, 2004); Copyright 2004 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. http://dx.doi.org/10.1117/12.569297
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Cite this

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title = "Application of long period gratings sensors to respiratory function monitoring",

abstract = "A series of in-line curvature sensors on a garment are used to monitor the thoracic and abdominal movements of a human during respiration. These results are used to obtain volumetric tidal changes of the human torso showing reasonable agreement with a spirometer used simultaneously to record the volume at the mouth during breathing. The curvature sensors are based upon long period gratings written in a progressive three layered fibre that are insensitive to refractive index changes. The sensor platform consists of the long period grating laid upon a carbon fibre ribbon, which is encapsulated in a low temperature curing silicone rubber. An array of sensors is also used to reconstruct the shape changes of a resuscitation manikin during simulated respiration. The data for reconstruction is obtained by two methods of multiplexing and interrogation: firstly using the transmission spectral profile of the LPG's attenuation bands measured using an optical spectrum analyser; secondly using a derivative spectroscopy technique.",

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Allsop, TDP, Earthgrowl, T, Revees, R, Webb, DJ, Miller, M, Jones, B & Bennion, I 2004, Application of long period gratings sensors to respiratory function monitoring. in BM Cullum (ed.), Smart medical and biomedical sensor technology II. SPIE proceedings, vol. 5588, SPIE, pp. 148-156, Smart Medical and Biomedical Sensor Technology II, Philadelphia, PA, United States, 25/10/04. https://doi.org/10.1117/12.569297

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N2 - A series of in-line curvature sensors on a garment are used to monitor the thoracic and abdominal movements of a human during respiration. These results are used to obtain volumetric tidal changes of the human torso showing reasonable agreement with a spirometer used simultaneously to record the volume at the mouth during breathing. The curvature sensors are based upon long period gratings written in a progressive three layered fibre that are insensitive to refractive index changes. The sensor platform consists of the long period grating laid upon a carbon fibre ribbon, which is encapsulated in a low temperature curing silicone rubber. An array of sensors is also used to reconstruct the shape changes of a resuscitation manikin during simulated respiration. The data for reconstruction is obtained by two methods of multiplexing and interrogation: firstly using the transmission spectral profile of the LPG's attenuation bands measured using an optical spectrum analyser; secondly using a derivative spectroscopy technique.

AB - A series of in-line curvature sensors on a garment are used to monitor the thoracic and abdominal movements of a human during respiration. These results are used to obtain volumetric tidal changes of the human torso showing reasonable agreement with a spirometer used simultaneously to record the volume at the mouth during breathing. The curvature sensors are based upon long period gratings written in a progressive three layered fibre that are insensitive to refractive index changes. The sensor platform consists of the long period grating laid upon a carbon fibre ribbon, which is encapsulated in a low temperature curing silicone rubber. An array of sensors is also used to reconstruct the shape changes of a resuscitation manikin during simulated respiration. The data for reconstruction is obtained by two methods of multiplexing and interrogation: firstly using the transmission spectral profile of the LPG's attenuation bands measured using an optical spectrum analyser; secondly using a derivative spectroscopy technique.

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Application of long period gratings sensors to respiratory function monitoring

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