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Abstract #1262

Dual-Stream iPRES-W Head Coil Array for MR Imaging, Wireless Respiratory Tracking, and Wireless Localized B0 Shimming

Jonathan Cuthbertson1,2, Trong-Kha Truong1,2, Vani Yadav1,2, Fraser Robb3, Allen Song1,2, and Dean Darnell1,2
1Brain Imaging and Analysis Center, Duke University, Durham, NC, United States, 2Medical Physics Graduate Program, Duke University, Durham, NC, United States, 3GE Healthcare Inc., Aurora, OH, United States

The integrated RF/wireless coil design enables MRI imaging and wireless data transfer with the same coil thereby reducing the number of wired connections in the scanner. Here, we implement this design onto a 48-channel head coil array to enable two independent wireless data streams for two separate applications, specifically, wireless 1) control of the DC currents used for B0 shimming and 2) respiratory tracking with a respiratory belt. In vivo experiments in the brain showed that this coil array significantly reduced B0 inhomogeneities (-41%) and EPI distortions while simultaneously streaming respiratory data from the subject without data loss.

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