TY - JOUR
T1 - Fiber-optic EFPI pressure sensors for In Vivo urodynamic analysis
AU - Poeggel, Sven
AU - Tosi, Daniele
AU - Fusco, Fernando
AU - Ippolito, Juliet
AU - Lupoli, Laura
AU - Mirone, Vincenzo
AU - Sannino, Simone
AU - Leen, Gabriel
AU - Lewis, Elfed
PY - 2014/7
Y1 - 2014/7
N2 - 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.
AB - 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.
KW - Biophotonics
KW - extrinsic Fabry-Perot interferometry (EFPI)
KW - medical optics instrumentation
KW - optical fiber sensing
KW - urology
UR - http://www.scopus.com/inward/record.url?scp=84901979415&partnerID=8YFLogxK
U2 - 10.1109/JSEN.2014.2310392
DO - 10.1109/JSEN.2014.2310392
M3 - Article
AN - SCOPUS:84901979415
SN - 1530-437X
VL - 14
SP - 2335
EP - 2340
JO - IEEE Sensors Journal
JF - IEEE Sensors Journal
IS - 7
M1 - 6762873
ER -