R. Correia
Highly sensitive contact pressure measurements using FBG patch in endotracheal tube cuff
Correia, R.; Blackman, O. R.; Hernandez, F. U.; Korposh, S.; Morgan, S. P.; Hayes-Gill, B. R.; James, S. W.; Evans, D.; Norris, A.
Authors
O. R. Blackman
F. U. Hernandez
SERHIY KORPOSH S.Korposh@nottingham.ac.uk
Professor of Photonics Instrumentation
Prof STEVE MORGAN STEVE.MORGAN@NOTTINGHAM.AC.UK
Professor of Biomedical Engineering
BARRIE HAYES-GILL BARRIE.HAYES-GILL@NOTTINGHAM.AC.UK
Professor of Electronic Systems and Medical Devices
S. W. James
D. Evans
A. Norris
Abstract
A method for measuring the contact pressure between an endotracheal tube cuff and the trachea was designed and developed by using a fibre Bragg grating (FBG) based optical fibre sensor. The FBG sensor is encased in an epoxy based UV-cured cuboid patch and transduces the transversely loaded pressure into an axial strain that induces wavelength shift of the Bragg reflection. The polymer patch was created by using a PTFE based mould and increases tensile strength and sensitivity of the bare fibre FBG to pressure to 2.10×10-2 nm/kPa. The characteristics of the FBG patch allow for continuous measurement of contact pressure. The measurement of contact pressure was demonstrated by the use of a 3D printed model of a human trachea. The influence of temperature on the measurements is reduced significantly by the use of a second FBG sensor patch that is not in contact with the trachea. Intracuff pressure measurements performed using a commercial manometer agreed well with the FBG contact pressure measurements. © (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation
Correia, R., Blackman, O. R., Hernandez, F. U., Korposh, S., Morgan, S. P., Hayes-Gill, B. R., …Norris, A. (2016). Highly sensitive contact pressure measurements using FBG patch in endotracheal tube cuff. Proceedings of SPIE, 9916, Article 99161F. https://doi.org/10.1117/12.2236859
Journal Article Type | Conference Paper |
---|---|
Conference Name | Sixth European Workshop on Optical Fibre Sensors |
Conference Location | Limerick, Ireland |
Online Publication Date | May 30, 2016 |
Publication Date | May 30, 2016 |
Deposit Date | Jun 8, 2016 |
Publicly Available Date | Jun 8, 2016 |
Journal | Proceedings of SPIE |
Print ISSN | 0277-786X |
Electronic ISSN | 1996-756X |
Publisher | Society of Photo-optical Instrumentation Engineers |
Peer Reviewed | Peer Reviewed |
Volume | 9916 |
Article Number | 99161F |
Book Title | Sixth European Workshop on Optical Fibre Sensors |
DOI | https://doi.org/10.1117/12.2236859 |
Keywords | Fibre Bragg Grating, Intracuff pressure, Contact pressure, Endotracheal tube |
Public URL | https://nottingham-repository.worktribe.com/output/787947 |
Publisher URL | https://www.spiedigitallibrary.org/conference-proceedings-of-spie/9916/1/Highly-sensitive-contact-pressure-measurements-using-FBG-patch-in-endotracheal/10.1117/12.2236859.short |
Additional Information | R. Correia ; O.R. Blackman ; F.U. Hernandez ; S. Korposh ; S.P. Morgan ; B.R. Hayes-Gill ; S.W. James ; D. Evans ; A. Norris " Highly sensitive contact pressure measurements using FBG patch in endotracheal tube cuff", Proc. SPIE 9916, Sixth European Workshop on Optical Fibre Sensors, 965704 (May 30, 2016); doi:10.1117/12.2236859 ; http://dx.doi.org/10.1117/12.2236859 . Copyright 2016 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print 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. |
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