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Abstract #0312

A Flexible Coil Based on a Cable Conductor for 0.55T Head Imaging

Bili Wang1, Jerzy Walczyk1, Mary Bruno1, Mahesh Keerthivasan2, Robert Rehner3, and Ryan Brown1
1Radiology, Center for Advanced Imaging Innovation and Research (CAI2R), New York University, Grossman School of Medicine, New York City, NY, United States, 2Siemens Medical Solutions USA Inc., Malvern, PA, United States, 3Siemens Healthcare GmbH, Erlangen, Germany

Synopsis

Keywords: Low-Field MRI, BrainFlexible coils have the potential to improve SNR over rigid coils but have been rarely applied to head imaging. We built a flexible 13-channel coil for 0.55T based on RG-223 cable loops arranged with dodecahedral geometry. The coil closely fit the head and provided 30-50% SNR gain in the ventricles and significant image quality improvements over a conventional rigid coil. While the current minimalistic prototype coil showed promising performance, practical advances, such as an insulating layer that can be easily sanitized and a structure to immobilize the head, must be integrated to make the coil user friendly.

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Keywords