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Abstract #2310

Optimization of a four channel phased array coil for rat lung imaging at 7 T

Dominik Berthel 1 , Michael Neumaier 2 , Dorothee Schler 1 , Thomas Kaulisch 2 , Titus Lanz 1 , and Detlef Stiller 2

1 Rapid Biomedical GmbH, Rimpar, Germany, 2 Boehringer Ingelheim Pharma GmbH & Co. KG, In-Vivo Imaging Unit, Biberach, Germany

Biomedical research studies with magnetic resonance examination of small animal lungs gaining in importance. Because of physiological limits at 1H lung-MRI ultra short echo time sequences (UTE) in combination with highly sensitive MR coils promises significant improvements. To increase the SNR factor of a phased array coil well decoupling of all elements are necessary. Moreover an anatomical shape of the array coil in respect to optimize the filling factor leads to higher SNR. We present an improved four channel phased array coil for rat lung imaging at 7T with elliptical housing which verifiably increases the SNR.

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