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Abstract #4431

Battery-Powered Integrated Parallel Reception, Excitation, and Shimming (iPRES) Head Coil Array for Plug-and-Play Localized B0 Shimming

Dean Darnell1, Devin Willey1, Sebastian Luce1, Allen W Song1, and Trong-Kha Truong1

1Brain Imaging and Analysis Center, Duke University, Durham, NC, United States

Integrated parallel reception, excitation, and shimming (iPRES) coil arrays enable RF excitation/reception and localized B0 shimming with a single coil array, but so far use an external DC power supply and require a B0 map and a shim optimization for each subject, which takes additional time. Here, we propose a novel iPRES head coil array powered by an on-board MR-compatible battery that delivers fixed DC currents optimized in advance to shim an average subject's brain. This stand-alone, plug-and-play system does not require any subject-specific shim optimization, thus enabling a wider adoption of iPRES in clinical applications.

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