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Abstract #3953

Wireless Physiological Motion Monitoring with an Integrated RF/Wireless Coil Array and MR-Compatible Ultrasound-Based System

Devin Willey1,2, Olivia Jo Dickinson1,2, Devon Karl Overson1,2, Trong-Kha Truong1,2, Fraser Robb3, Allen W Song1,2, Bruno Madore4, 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, 3Brain Imaging And Analysis Center, GE Healthcare, Aurora, OH, United States, 4Radiology, Brigham and Women's, Harvard Medical School, Boston, MA, United States


A wireless MR-compatible ultrasound-based device consisting of an integrated RF/wireless coil, organ-configuration motion sensor, Raspberry Pi, pulser/receiver, and analog-to-digital converters was developed to acquire, digitize, and wirelessly transmit ultrasound data while simultaneously acquiring MR-images. Experiments were performed to demonstrate the system's 1) mobility through continuously acquiring, digitizing, and wirelessly transmitting ultrasound data at multiple locations, and 2) ability to wirelessly monitor physiological motion during coughing/gasping. This integrated system enables the OCM sensor to travel with patients throughout the hospital while also demonstrating the ability of the iRFW coil and backend electronics to process and wirelessly transmit a high-fidelity signal.

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