Distributed fiber-optic sensors for thermal monitoring in radiofrequency thermal ablation in porcine phantom

Daniele Tosi; Sven Poeggel; Gabriel Leen; Elfed Lewis; Edoardo Gino Macchi; Giovanni Braschi; Mario Gallati; Alfredo Cigada; Sandro Rossi

doi:10.1109/ICSENS.2014.6984927

Distributed fiber-optic sensors for thermal monitoring in radiofrequency thermal ablation in porcine phantom

Daniele Tosi, Sven Poeggel, Gabriel Leen, Elfed Lewis, Edoardo Gino Macchi, Giovanni Braschi, Mario Gallati, Alfredo Cigada, Sandro Rossi

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

In this paper, we report for the first time the application of two distributed fiber-optic sensing systems in medical radiofrequency thermal ablation (RFTA). Measurement systems are based on a distributed temperature sensor based on high-speed detection of Rayleigh signature, and a linearly chirped fiber Bragg grating (LCFBG) sensor that detects temperature distribution on 1.5 cm length. Both technologies are capable of achieving sub-0.1mm spatial resolution. The sensing systems have been applied to monitor the temperature pattern induced by RFTA, measuring temperature gradients in excess of 5°C/mm. All tests have been performed on porcine liver tissue, the phantom of human liver. The results show the premises for the realization of a distributed sensor installed on a RFTA device, capable of real-time prediction and estimation of the ablation effect.

Original language	English
Title of host publication	Proceedings of IEEE Sensors
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	39-42
Number of pages	4
Volume	2014-December
Edition	December
DOIs	https://doi.org/10.1109/ICSENS.2014.6984927
Publication status	Published - Dec 12 2014
Externally published	Yes
Event	13th IEEE SENSORS Conference, SENSORS 2014 - Valencia, Spain Duration: Nov 2 2014 → Nov 5 2014

Other

Other	13th IEEE SENSORS Conference, SENSORS 2014
Country	Spain
City	Valencia
Period	11/2/14 → 11/5/14

Keywords

Ablation of issue
Distributed sensors
Optical fiber sensors
Radiofrequency thermal ablation (RFTA)
Temperature measurement

ASJC Scopus subject areas

Electrical and Electronic Engineering

Access to Document

10.1109/ICSENS.2014.6984927

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Tosi, D., Poeggel, S., Leen, G., Lewis, E., Macchi, E. G., Braschi, G., Gallati, M., Cigada, A., & Rossi, S. (2014). Distributed fiber-optic sensors for thermal monitoring in radiofrequency thermal ablation in porcine phantom. In Proceedings of IEEE Sensors (December ed., Vol. 2014-December, pp. 39-42). [6984927] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICSENS.2014.6984927

Distributed fiber-optic sensors for thermal monitoring in radiofrequency thermal ablation in porcine phantom. / Tosi, Daniele; Poeggel, Sven; Leen, Gabriel; Lewis, Elfed; Macchi, Edoardo Gino; Braschi, Giovanni; Gallati, Mario; Cigada, Alfredo; Rossi, Sandro.

Proceedings of IEEE Sensors. Vol. 2014-December December. ed. Institute of Electrical and Electronics Engineers Inc., 2014. p. 39-42 6984927.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Tosi, D, Poeggel, S, Leen, G, Lewis, E, Macchi, EG, Braschi, G, Gallati, M, Cigada, A & Rossi, S 2014, Distributed fiber-optic sensors for thermal monitoring in radiofrequency thermal ablation in porcine phantom. in Proceedings of IEEE Sensors. December edn, vol. 2014-December, 6984927, Institute of Electrical and Electronics Engineers Inc., pp. 39-42, 13th IEEE SENSORS Conference, SENSORS 2014, Valencia, Spain, 11/2/14. https://doi.org/10.1109/ICSENS.2014.6984927

Tosi, Daniele ; Poeggel, Sven ; Leen, Gabriel ; Lewis, Elfed ; Macchi, Edoardo Gino ; Braschi, Giovanni ; Gallati, Mario ; Cigada, Alfredo ; Rossi, Sandro. / Distributed fiber-optic sensors for thermal monitoring in radiofrequency thermal ablation in porcine phantom. Proceedings of IEEE Sensors. Vol. 2014-December December. ed. Institute of Electrical and Electronics Engineers Inc., 2014. pp. 39-42

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abstract = "In this paper, we report for the first time the application of two distributed fiber-optic sensing systems in medical radiofrequency thermal ablation (RFTA). Measurement systems are based on a distributed temperature sensor based on high-speed detection of Rayleigh signature, and a linearly chirped fiber Bragg grating (LCFBG) sensor that detects temperature distribution on 1.5 cm length. Both technologies are capable of achieving sub-0.1mm spatial resolution. The sensing systems have been applied to monitor the temperature pattern induced by RFTA, measuring temperature gradients in excess of 5°C/mm. All tests have been performed on porcine liver tissue, the phantom of human liver. The results show the premises for the realization of a distributed sensor installed on a RFTA device, capable of real-time prediction and estimation of the ablation effect.",

keywords = "Ablation of issue, Distributed sensors, Optical fiber sensors, Radiofrequency thermal ablation (RFTA), Temperature measurement",

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AU - Braschi, Giovanni

AU - Gallati, Mario

AU - Cigada, Alfredo

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N2 - In this paper, we report for the first time the application of two distributed fiber-optic sensing systems in medical radiofrequency thermal ablation (RFTA). Measurement systems are based on a distributed temperature sensor based on high-speed detection of Rayleigh signature, and a linearly chirped fiber Bragg grating (LCFBG) sensor that detects temperature distribution on 1.5 cm length. Both technologies are capable of achieving sub-0.1mm spatial resolution. The sensing systems have been applied to monitor the temperature pattern induced by RFTA, measuring temperature gradients in excess of 5°C/mm. All tests have been performed on porcine liver tissue, the phantom of human liver. The results show the premises for the realization of a distributed sensor installed on a RFTA device, capable of real-time prediction and estimation of the ablation effect.

AB - In this paper, we report for the first time the application of two distributed fiber-optic sensing systems in medical radiofrequency thermal ablation (RFTA). Measurement systems are based on a distributed temperature sensor based on high-speed detection of Rayleigh signature, and a linearly chirped fiber Bragg grating (LCFBG) sensor that detects temperature distribution on 1.5 cm length. Both technologies are capable of achieving sub-0.1mm spatial resolution. The sensing systems have been applied to monitor the temperature pattern induced by RFTA, measuring temperature gradients in excess of 5°C/mm. All tests have been performed on porcine liver tissue, the phantom of human liver. The results show the premises for the realization of a distributed sensor installed on a RFTA device, capable of real-time prediction and estimation of the ablation effect.

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Distributed fiber-optic sensors for thermal monitoring in radiofrequency thermal ablation in porcine phantom

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Keywords

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