Abstract #4037

32-Channel Lightweight Dipole RF Array for Cardiac MRI at 7.0 Tesla

Thomas Wilhelm Eigentler¹, Andre Kuehne², Laura Boehmert¹, Eva Oberacker¹, Soeren Lippert¹, and Thoralf Niendorf^1,2,3

¹Berlin Ultrahigh Field Facility, Max-Delbrück-Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany, ²MRI.TOOLS GmbH, Berlin, Germany, ³Experimental and Clinical Research Center (ECRC), a joint cooperation between the Charité Medical Faculty and the Max-Delbrück Center for Molecular Medicine, Berlin, Germany

A lightweight, high-density transceiver RF array of 32 compact self-grounded bow-tie antennas was developed, manufactured, evaluated, and applied for cardiac MRI at 7.0 T. Our work contributes to the technological basis for future clinical assessment of parallel transmit techniques of the heart for optimization of RF antenna placement and RF antenna count with the goal to approach ultimate SNR in ultrahigh field MRI of the heart.

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