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Abstract #3389

Replaceable field probe holder for the Nova coil on a 7 Tesla Siemens scanner

Sascha Brunheim1, Christian Mirkes2, Benjamin E Dietrich2, Jolanda M Schwarz1, Rüdiger Stirnberg1, Sebastian Ismar3, Alexander Christen3, and Tony Stöcker1,3
1MR Physics, German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany, 2Skope Magnetic Resonance Technologies Inc., Zurich, Switzerland, 3Department of Physics and Astronomy, University of Bonn, Bonn, Germany

An optimized holder for fast mounting of the Skope clip-on field camera into the common Nova Tx/Rx head coil on a 7 Tesla Siemens scanner is presented. Field probe positioning was based on transceiver coil architecture constraints and conditioning for best approximation of field dynamics. The conditioning results for the proposed probe holder positions show very good agreement with the corresponding simulation. They approximate the optimal spherical probe arrangement as well as possible. In comparison, the probe holder outperforms the manual mounting situation conditioning-wise, which corresponds to arbitrary placement onto the receive part of the head coil.

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