Abstract #1217

Towards massively parallel multi-transmit for body imaging at 7 T

Bart R. Steensma¹, J. Nuno Teixeira¹, Ingmar Voogt¹, Luijten R. Peter¹, Dennis W.J. Klomp¹, van den Berg A.T. Nico², and Alexander J.E. Raaijmakers^1,3

¹Division Imaging, Department of Radiology, University Medical Center Utrecht, Utrecht, Netherlands, ²Division Imaging, Department of Radiotherapy, University Medical Center Utrecht, Utrecht, Netherlands, ³Biomedical Image Analysis, Eindhoven University of Technology, Eindhoven, Netherlands

A simulation study was done to assess optimal transmit setups for massively parallel (up to 32 channels) transmit body imaging at 7 tesla. Moving from 8 to 24 and 32 dipole setups increases transmit efficiency on a pelvis-shaped phantom. Our current multitransmit system was adapted to obtain 24 semi-phase controlled channels. A 24 channel transmit setup consisting of small dipoles was constructed and tested on a male volunteer.

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