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Abstract #4328

Concurrent use of 4 gradient axis enables eddy current compensation of an unshielded gradient insert coil

Tijl A van der Velden1, Quincy van Houtum1, Vincent O. Boer1,2, Peter R. Luijten1, Jeroen C.W. Siero1,3, and Dennis W.J. Klomp1

1Radiology, University Medical Center Utrecht, Utrecht, Netherlands, 2Danish Research Centre for Magnetic Resonance, Copenhagen University Hospital Hvidovre, Denmark, 3Spinoza Center for Neuroimaging, Amsterdam, Netherlands

In this work, a method is presented where a whole-body gradient system corrects for eddy currents induced by an unshielded gradient insert coil. A single-axis unshielded gradient breast insert coil was positioned in a 7 tesla whole body MR system. Field cameras were used to analyze the eddy currents and validate the proposed method.

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