New fiber optic sensor for ambulatory entero-gastric reflux detection

Paolo Bechi; Riccardo Falciai; Francesco Baldini; Franco Cosi; Filippo Pucciani; Sergio Boscherini

doi:10.1117/12.58293

16 April 1992 New fiber optic sensor for ambulatory entero-gastric reflux detection

Paolo Bechi, Riccardo Falciai, Francesco Baldini, Franco Cosi, Filippo Pucciani, Sergio Boscherini

Proceedings Volume 1648, Fiber Optic Medical and Fluorescent Sensors and Applications; (1992) https://doi.org/10.1117/12.58293
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

The problem of entero-gastric reflux is clinically relevant and none of the presently available techniques for its detection is satisfactory. Therefore, a portable fiber optic system for ambulatory reflux assessment has been conceived and developed. Two light emitting diodes (for signal and reference) and a suitable electronic circuit for signal processing are associated with a plastic fiber optic bundle. The working principle of the system is based on the characteristic absorption of bilirubin and bile around 450 nm. In-vitro results have shown good accuracy, linearity, and stability in the measurements of the fiber optic system. In-vivo results are promising.

Citation Download Citation

Paolo Bechi, Riccardo Falciai, Francesco Baldini, Franco Cosi, Filippo Pucciani, and Sergio Boscherini "New fiber optic sensor for ambulatory entero-gastric reflux detection", Proc. SPIE 1648, Fiber Optic Medical and Fluorescent Sensors and Applications, (16 April 1992); https://doi.org/10.1117/12.58293

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