Aim of the presented experimental and theoretical model was to characterize the power deposition process in cardiac catheter ablation. A dedicated set-up, based on a transparent temperature-sensitive gel-phantom was developed. A liquid crystal film was used to map the temperature distribution during RF deposition. An infrared acquiring system and a post-processing image software were used to define the heating zone and to quantify the device specific heating fingerprint. Experimental results were compared to a thermal conduction model with spherical symmetry, showing good agreement for ablation time 100<t<600s. Differences between model and experimental results were explained by deviation of the real heating pattern from spherical geometry.

Radiofrequency Ablation on Heart-equivalent Phantom. Functionality Testing of Percutaneous Single-use Catheter

Tessarolo, Francesco;Nollo, Giandomenico
2005-01-01

Abstract

Aim of the presented experimental and theoretical model was to characterize the power deposition process in cardiac catheter ablation. A dedicated set-up, based on a transparent temperature-sensitive gel-phantom was developed. A liquid crystal film was used to map the temperature distribution during RF deposition. An infrared acquiring system and a post-processing image software were used to define the heating zone and to quantify the device specific heating fingerprint. Experimental results were compared to a thermal conduction model with spherical symmetry, showing good agreement for ablation time 100
2005
9780080446486
9780080446486
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11582/308233
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