Abstract #4855
A Robust guideline to design a split gradient coil for a hybrid Linac-MRI scanner
Hector Sanchez-Lopez 1 , Fangfang Tang 1 , and Stuart Crozier 1
1
School of Information Technology &
electrical Engineering, The University of Queensland,
Brisbane, QLD, Australia
This study aims to present a robust guideline to design
a 500 mm transversal and 620 mm axial gap split
x-gradient coil to be installed in a hybrid Linac-MRI
scanner. The methodology is divided in two parts:
selection of the optimal shielding strategy (this work)
and torque/force balancing. Four shielding approaches
are studied in order to determine the most suitable for
torque balancing and high coil performance. We found
that coils designed using the minimizations of the
magnetic energy in the whole system are the most
suitable for torque/force balancing, optimal
pre-emphasis, high slew rate and lower power loss.
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