Rotating RF Coil (RRFC) for flip angle and specific absorption rate management applications at 7T MRI
Adnan Trakic 1 , Jin Jin 1 , Mingyan Li 1 , Darryl McClymont 1 , Ewald Weber 1 , Hector Sanchez Lopez 1 , Miguel Fuentes 1 , Feng Liu 1 , and Stuart Crozier 1
The School of Information Technology and
Electrical Engineering, The University of Queensland,
Brisbane, QLD, Australia
This new study explores the feasibility of using a
single-channel mechanically Rotating RF Coil (RRFC) for
flip angle (FA) and specific absorption rate (SAR)
management applications at 7T MRI. Compared to the
8-channel Parallel Coil Array, RRFC yielded a much more
uniform FA distribution and a lower SAR. This initial
study suggests that RRFC may be very useful in
alleviating the FA and SAR issues associated with
contemporary high field MRI.
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