Abstract #0644

Construction and Validation of Multi-Coil Technology for Accessible Head-Only Scanner

Sebastian Theilenberg¹, Yun Shang¹, Chathura Kumaragamage², Scott McIntyre², Terence W. Nixon², Robin A. de Graaf², and Christoph Juchem^1,3

¹Department of Biomedical Engineering, Columbia University, New York, NY, United States, ²Department of Radiology and Biomedical Engineering, Magnetic Resonance Research Center, Yale University School of Medicine, New Haven, CT, United States, ³Department of Radiology, Columbia University Medical Center, New York, NY, United States

Synopsis

As part of a multi-center effort to design and build an accessible 1.5 T head-only MRI scanner (NIH U01EB025153, PI M. Garwood), we designed and constructed a prototype multi-coil array fitting the limited available space and capable of generating linear and non-linear image encoding fields as well as strong concomitant localized B₀ shim fields. Here, we describe the construction process, and present system characteristics as well as experimental validation of its field generation capabilities utilizing a conventional 4 T MRI scanner.

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