Abstract #4283

Evaluation of a high permittivity helmet for use as a coil former for an 8ch transmit/receive array with dodecahedral symmetry.

Gillian G Haemer^1,2,3, Manushka V Vaidya^1,2,3, Christopher Collins^1,2,3, Daniel K Sodickson^1,2,3, and Graham C Wiggins^1,2

¹The Center for Advanced Imaging Innovation and Research (CAI2R), Department of Radiology, New York University School of Medicine, New York, NY, United States, ²The Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York University School of Medicine, New York, NY, United States, ³The Sackler Institute of Graduate Biomedical Sciences, New York University School of Medicine, New York, NY, United States

A helmet shaped coil former made of high permittivity material is simulated with an 8 channel transmit/receive coil as an evaluation step towards coil construction. The addition of the high permittivity material improves performance in both transmit and receive but the choice of a permittivity that is too high may lead to undesired split-resonance effects.

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