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Abstract #1219

A 32-channel transmit system add-on for 7 Tesla body imaging

Stephan Orzada1, Andreas K. Bitz2, Marcel Gratz1,3, Sören Johst1, Samaneh Shooshtary4, Maximilian N. Voelker1, Stefan H. G. Rietsch1,3, Martina Flöser2, Ashraf Abuelhaija4, Mark Oehmigen3, Sascha Brunheim1,3, Thomas M. Fiedler2, Oliver Kraff1, Harald H. Quick1,3, Klaus Solbach4, and Mark E. Ladd1,2

1Erwin L. Hahn Institute for MRI, University Duisburg-Essen, Essen, Germany, 2Medical Physics in Radiology, German Cancer Research Center (DKFZ), Heidelberg, Germany, 3High-Field and Hybrid MR Imaging, University Hospital Essen, Essen, Germany, 4RF & Microwave Technology, University Duisburg-Essen, Duisburg, Germany

At ultra-high field, severe transmit field inhomogeneities affect the quality of imaging. To cope with this, multi-channel solutions are necessary. In this work we present an add-on 32-channel transmit system including an integrated transmit/receive body coil for large field of view imaging. First phantom and in-vivo results are shown. A 50 cm field of view can be achieved and the system is capable of 100 kHz sampling, allowing parallel spatially selective transmit pulses for in-vivo imaging.

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