Temperature profile of ex-vivo organs during radio frequency thermal ablation by fiber Bragg gratings

Giovanna Palumbo, Agostino Iadicicco, Daniele Tosi, Paolo Verze, Nicola Carlomagno, Vincenzo Tammaro, Juliet Ippolito, Stefania Campopiano

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

We report on the integration of fiber optic sensors with commercial medical instrumentation for temperature monitoring during radio frequency ablation for tumor treatment. A suitable configuration with five fiber Bragg grating sensors bonded to a bipolar radio frequency (RF) probe has been developed to monitor the area under treatment. A series of experiments were conducted on ex-vivo animal kidney and liver and the results confirm that we were able to make a multipoint measurement and to develop a real-time temperature profile of the area, with a temperature resolution of 0.1°C and a spatial resolution of 5 mm during a series of different and consecutive RF discharges.

Original languageEnglish
Article number117003
JournalJournal of Biomedical Optics
Volume21
Issue number11
DOIs
Publication statusPublished - Nov 1 2016

Keywords

  • Fiber optic sensors
  • fiber Bragg gratings
  • radio frequency ablation
  • temperature monitoring
  • thermotherapy

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Atomic and Molecular Physics, and Optics
  • Biomedical Engineering

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