Highly sensitive contact pressure measurements using FBG patch in endotracheal tube cuff

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dc.contributor.authorCorreia, Ricardo N.
dc.contributor.authorBlackman, O. R.
dc.contributor.authorHernandez, F. U.
dc.contributor.authorKorposh, Sergiy
dc.contributor.authorMorgan, S. P.
dc.contributor.authorHayes-Gill, R.
dc.contributor.authorJames, Stephen W.
dc.contributor.authorEvans, D.
dc.contributor.authorNorris, A.
dc.date.accessioned2016-07-05T10:01:14Z
dc.date.available2016-07-05T10:01:14Z
dc.date.issued2016-05-31
dc.description.abstractA 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.en_UK
dc.identifier.citationCorreia et al. (2016) Highly sensitive contact pressure measurements using FBG patch in endotracheal tube cuff, 6th European Workshop on Optical Fibre Sensors (EWOFS'2016), Limerick, Ireland, 30-31 May 2016en_UK
dc.identifier.urihttp://dx.doi.org/10.1117/12.2236859
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/10081
dc.language.isoenen_UK
dc.publisherSPIEen_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internationalen_UK
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectFibre Bragg Gratingen_UK
dc.subjectFBGen_UK
dc.subjectIntracuff pressureen_UK
dc.subjectContact pressureen_UK
dc.subjectEndotracheal tubeen_UK
dc.subjectETTen_UK
dc.titleHighly sensitive contact pressure measurements using FBG patch in endotracheal tube cuffen_UK
dc.typeArticleen_UK

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