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