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Abstract #1403

Automatic Device Tracking: A Multi Slice Approach

Zuehlsdorff S, Viohl I, Hu P, Speier P
Siemens Medical Solutions USA, Inc.

Interactive real time MRI has been successfully demonstrated in MR-guided interventions using active devices either for visualization or tracking. In this work, a generalized interactive multi slice sequence with tip tracking capability is presented. The sequence allows the real time selection of multiple slices in oblique orientations with a user selectable update frequency: a central slice containing the device is updated more frequently to enhance device tracking and an outer slice is used to visualize a relatively static anatomy. This work demonstrates these features in a vessel phantom study using a commercial grade catheter (Interventional Imaging, Inc. Cleveland, Ohio).