In a nuclear magnetic resonance imaging system, a receive-only RF surface coil is fixedly supported on a non-metallic portable base by a non-metallic flexible support which permits the coil to be translated along any one of three orthogonal directions and to be rotated about any one of three orthogonal...http://www.google.com/patents/US5150710?utm_source=gb-gplus-sharePatent US5150710 - Variable position surface coil stabilizer for magnetic resonance imaging
