A local RF and gradient coil for acquiring images of the human brain using fast NMR pulse sequences includes an end capped RF bird cage coil surrounded by a 3 axis gradient coil assembly. An RF shield is disposed between the RF coil and the gradient coils and it is divided into separate segments to reduce...http://www.google.fr/patents/US5474069?utm_source=gb-gplus-shareBrevet US5474069 - NMR local coil for brain imaging
