Abstract #4278

3D volumetric parallel excitation at 9.4T using the trajectory container concept

Tingting Shao¹, Nikolai I. Avdievich¹, and Anke Henning^1,2

¹Max Planck Institute for Biological Cybernetics, Tübingen, Germany, ²Institute of Biomedical Engineering, University and ETH, Zürich, Switzerland

This work presents experimental results of 3D volumetric parallel excitation at a 9.4T human whole-body MRI scanner. The approach and concept of a “trajectory container” is adopted to match practical considerations. The “trajectory container” is used to shape the k space trajectory and restrict it to a limited traversing area in the k space and therefore to constrain the pulse duration. A simplified and direct way of the definition of the “trajectory container” is proposed and verified with promising experimental results.

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