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Abstract #4140

MRI compatible-3D localization system for Real-Time catheter navigation

Olivia Garandeau 1 , Maxime Bories 1 , Fabrice Marquet 1 , Remi Dubois 2 , Pierre Jais 3 , and Bruno Quesson 1

1 IHU Liryc/CRCTB Inserm U1045, University of Bordeaux, Pessac, Aquitaine, France, 2 IHU Liryc/CRCTB Inserm U1045, ESPCI Paris Tech, Pessac, Aquitaine, France, 3 CHU bordeaux, Pessac, Aquitaine, France

Catheter exploration, key procedure for cardiac arrhythmia diagnosis and treatment, could benefit from MRI guidance and procedure monitoring. In this work, we present a homemade MR compatible 3D and real-time catheter navigation device based on electric field detection. The system was validated in vitro providing catheter positions with a maximum error of 5.5 mm at 25 frames per second. In vivo feasibility was also demonstrated in a swine model. Such work opens perspectives for catheter guidance and 3D slice tracking during MR exam enabling real-time visualization of the targeted area and respiratory motion correction.

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