A 4-channel flexible array with integrated B0 shimming for 3 T
Bernhard Gruber1,2, Michael Obermann1, Lena Nohava1, Maxim Zaitsev1, Lawrence L. Wald3, Jason P. Stockmann3, and Elmar Laistler1
1High Field MR Center, Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Vienna, Austria, 2A.A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital/Harvard Medical School, Charlestown, MA, United States, 3A.A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, United States
Integrated B0 shimming capability with RF coil arrays has already shown advantages in dense configurations. For highly flexible arrays this approach is a challenge due to the bulky RF chokes required to bypass the segmenting capacitors of classical loop coils. In this work we present a flexible 4-channel coaxial coil array module with integrated B0 shimming requiring only two RF chokes per shim channel and thereby demonstrate the feasibility of integrating B0 shim capability into flexible arrays.
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