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Abstract #2651

Open Access 3-Channel Receive-Only Coil for Interventional Brain Imaging.

Emilee Minalga1, Allison Payne1, Nick Todd1, Robb Merrill1, Dennis L. Parker1, J. Rock Hadley1

1Utah Center of Advanced Imaging Research, University of Utah, Salt Lake City, UT, United States

This work describes the design of an open access 3-channel brain RF coil for interventional MR imaging. The coil was built to be compatible with a head stereotactic device and uses capacitive decoupling of adjacent loops. The coil is evaluated for SNR performance, temperature imaging performance, and a comparison of anatomy scans. The coil was found to give better SNR over both the body coil and a 12-channel commercial coil. This SNR increase translates to better anatomy imaging and temperature measurements.

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Keywords

ablation access advanced allowed anatomy array available away axial beam better body brain capacitive chair channel channels chosen circuit circuitry city coil coils commercial copper coronal cranium decoupled design deviation diagram directly done error except focused foundation frequency gave goal good gradient grant guided head heating homogeneous huntsman improve include intensity iris isotropic keeping kept lake like loops majority many maps mark middle mimicking negligible neighbors nick nineteen obstructions open overlapped parker phantom plots precision procedures proceedings proton receive recognition reduce reduced rendering resolution resonant respectively rock salt scanner series setup shared shot side simultaneously sites spatial surgery surgical systems temperature thin throughout tissue trace traces traditionally translates triangular trio type ultimately ultrasound verify view window wires