Fiber optic sensors for temperature monitoring during thermal treatments

An overview

Emiliano Schena, Daniele Tosi, Paola Saccomandi, Elfed Lewis, Taesung Kim

Research output: Contribution to journalReview article

58 Citations (Scopus)

Abstract

During recent decades, minimally invasive thermal treatments (i.e., Radiofrequency ablation, Laser ablation, Microwave ablation, High Intensity Focused Ultrasound ablation, and Cryo-ablation) have gained widespread recognition in the field of tumor removal. These techniques induce a localized temperature increase or decrease to remove the tumor while the surrounding healthy tissue remains intact. An accurate measurement of tissue temperature may be particularly beneficial to improve treatment outcomes, because it can be used as a clear end-point to achieve complete tumor ablation and minimize recurrence. Among the several thermometric techniques used in this field, fiber optic sensors (FOSs) have several attractive features: high flexibility and small size of both sensor and cabling, allowing insertion of FOSs within deep-seated tissue; metrological characteristics, such as accuracy (better than 1°C), sensitivity (e.g., 10 pm°C-1 for Fiber Bragg Gratings), and frequency response (hundreds of kHz), are adequate for this application; immunity to electromagnetic interference allows the use of FOSs during Magnetic Resonance- or Computed Tomography-guided thermal procedures. In this review the current status of the most used FOSs for temperature monitoring during thermal procedure (e.g., fiber Bragg Grating sensors; fluoroptic sensors) is presented, with emphasis placed on their working principles and metrological characteristics. The essential physics of the common ablation techniques are included to explain the advantages of using FOSs during these procedures.

Original languageEnglish
Article number1144
JournalSensors (Switzerland)
Volume16
Issue number7
DOIs
Publication statusPublished - Jul 22 2016

Fingerprint

Fiber optic sensors
Ablation
fiber optics
Hot Temperature
Heat treatment
ablation
Temperature
Monitoring
sensors
High-Intensity Focused Ultrasound Ablation
Tumors
Ablation Techniques
Fiber Bragg gratings
Neoplasms
Tissue
Electromagnetic Phenomena
Physics
Laser Therapy
Microwaves
Sensors

Keywords

  • Fiber optic sensors
  • Medical applications
  • Minimally invasive thermal treatments
  • Temperature monitoring

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Analytical Chemistry
  • Biochemistry

Cite this

Fiber optic sensors for temperature monitoring during thermal treatments : An overview. / Schena, Emiliano; Tosi, Daniele; Saccomandi, Paola; Lewis, Elfed; Kim, Taesung.

In: Sensors (Switzerland), Vol. 16, No. 7, 1144, 22.07.2016.

Research output: Contribution to journalReview article

Schena, Emiliano ; Tosi, Daniele ; Saccomandi, Paola ; Lewis, Elfed ; Kim, Taesung. / Fiber optic sensors for temperature monitoring during thermal treatments : An overview. In: Sensors (Switzerland). 2016 ; Vol. 16, No. 7.
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