Fiber-optic EFPI pressure sensors for In Vivo urodynamic analysis

Sven Poeggel; Daniele Tosi; Fernando Fusco; Juliet Ippolito; Laura Lupoli; Vincenzo Mirone; Simone Sannino; Gabriel Leen; Elfed Lewis

doi:10.1109/JSEN.2014.2310392

Fiber-optic EFPI pressure sensors for In Vivo urodynamic analysis

Sven Poeggel, Daniele Tosi, Fernando Fusco, Juliet Ippolito, Laura Lupoli, Vincenzo Mirone, Simone Sannino, Gabriel Leen, Elfed Lewis

Research output: Contribution to journal › Article

15 Citations (Scopus)

Abstract

A fiber optic sensing system for pressure measurement in invasive urodynamics is presented and experimentally validated. Probes are based on extrinsic Fabry-Perot interferometry (EFPI) principle, with an all-glass biocompatible design having 0.2-mm thickness. Pressure sensitivity of 1.0-1.6 nm/kPa with high stability and reduced thermal sensitivity has been achieved, leading to 0.3-cmH₂O pressure accuracy. The EFPI probes have been embedded in medical catheters with 4F size for dual bladder and abdominal pressure measurement throughout the full course of a urodynamic analysis. Pressure traces have been compared with a PICO2000 urodynamic instrument, showing improved accuracy and higher responsivity to local pressure variations. Tests have been carried out in vivo on seven patients; the main highlights are reported, showing the premises for an EFPI-based diagnostic tool.

Original language	English
Article number	6762873
Pages (from-to)	2335-2340
Number of pages	6
Journal	IEEE Sensors Journal
Volume	14
Issue number	7
DOIs	https://doi.org/10.1109/JSEN.2014.2310392
Publication status	Published - Jul 2014
Externally published	Yes

Keywords

Biophotonics
extrinsic Fabry-Perot interferometry (EFPI)
medical optics instrumentation
optical fiber sensing
urology

ASJC Scopus subject areas

Instrumentation
Electrical and Electronic Engineering

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Poeggel, S., Tosi, D., Fusco, F., Ippolito, J., Lupoli, L., Mirone, V., Sannino, S., Leen, G., & Lewis, E. (2014). Fiber-optic EFPI pressure sensors for In Vivo urodynamic analysis. IEEE Sensors Journal, 14(7), 2335-2340. [6762873]. https://doi.org/10.1109/JSEN.2014.2310392

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abstract = "A fiber optic sensing system for pressure measurement in invasive urodynamics is presented and experimentally validated. Probes are based on extrinsic Fabry-Perot interferometry (EFPI) principle, with an all-glass biocompatible design having 0.2-mm thickness. Pressure sensitivity of 1.0-1.6 nm/kPa with high stability and reduced thermal sensitivity has been achieved, leading to 0.3-cmH2O pressure accuracy. The EFPI probes have been embedded in medical catheters with 4F size for dual bladder and abdominal pressure measurement throughout the full course of a urodynamic analysis. Pressure traces have been compared with a PICO2000 urodynamic instrument, showing improved accuracy and higher responsivity to local pressure variations. Tests have been carried out in vivo on seven patients; the main highlights are reported, showing the premises for an EFPI-based diagnostic tool.",

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AU - Fusco, Fernando

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AU - Mirone, Vincenzo

AU - Sannino, Simone

AU - Leen, Gabriel

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