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Abstract #2572

RF Safe Interactive Catheter Traking with Variable DC-Susceptibilty Artefacts

Jens Pinkernelle1, Anja Wagner1, Jens Rump1, Ulf KM Teichgrber1

1Diagnostic and Interventional Radiology, Charit - University Medicine, Berlin, Germany

MR guided vascular interventions require reliable and safe catheter tracking methods. Direct currents produce susceptibility artefacts in MRI which can be adjusted dependent on the current applied. In this study a high frequency safe method of direct current based catheter tracking in interventional MRI is presented ready to be introduced in clinical routine. It is based on a miniaturized optoelectric circuit allowing building a vascular catheters prototype which diameter does not exceed 7F.