Abstract #1903

Flexible six-channel knee array for MRI at 0.55T

Bili Wang^1,2, Syed S. Siddiq^1,2, Jerzy Walczyk^1,2, Mary Bruno^1,2, Jan Fritz^1,2, Iman Khodarahmi¹, Inge M. Brinkmann³, Robert Rehner⁴, Karthik Lakshmanan^1,2, and Ryan Brown^1,2

¹Bernard and Irene Schwartz Center for Biomedical Imaging, Department of Radiology, New York University Grossman School of Medicine, New York, NY, United States, ²Center for Advanced Imaging Innovation and Research (CAI2R), Department of Radiology, New York University Grossman School of Medicine, New York, NY, United States, ³Siemens Medical Solutions USA Inc., Malvern, PA, United States, ⁴Siemens Healthcare GmbH, Erlangen, Germany

Synopsis

New-generation 0.55T systems require a suite of tailored coils to preserve image quality that is expected from higher field systems. We built a six-channel coil array for knee MRI using RG58 coaxial cable loops, which have adequate mechanical flexibility to wrap tightly around the leg and suitably low conductive loss at 23.55MHz. Initial findings show that the dedicated coil outperformed a general-purpose counterpart and suggest that clinical quality knee imaging is feasible.

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