Fiber optic extrinsic Fabry-Perot interferometry pressure sensors for in-vivo urodynamic analysis

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

doi:10.1117/12.2058292

2 June 2014 Fiber optic extrinsic Fabry-Perot interferometry pressure sensors for in-vivo urodynamic analysis

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

Author Affiliations +

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 915741 (2014) https://doi.org/10.1117/12.2058292
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

We report a fiber-optic sensing system based on Extrinsic Fabry-Perot Interferometry (EFPI), for pressure detection in medical applications. The system allows dual channel detection, with probes having typical sensitivity of 1.3 nm/kPa and accuracy of 0.6 cmH₂O, diameter of 0.2 mm, and perfect biocompatibility. Pressure probes have been applied to urodynamic analysis, measuring both bladder and abdominal pressure. Measurements have been carried out in-vivo on seven patients having different bladder conditions. The fiber-optic probes have been compared with a PICO2000 urodynamic instrument, showing improved accuracy, a good reproduction of bladder-related events, and increased responsivity to local pressure variations.

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Sven Poeggel, Daniele Tosi, Ferdinando Fusco, Vincenzo Mirone, Simone Sannino, Laura Lupoli, Juliet Ippolito, Gabriel Leen, and Elfed Lewis "Fiber optic extrinsic Fabry-Perot interferometry pressure sensors for in-vivo urodynamic analysis", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 915741 (2 June 2014); https://doi.org/10.1117/12.2058292

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