Patent ID: 9222998
Filing Date: 2015-12-29
Classification: G01R

Abstract:
1. A magnet assembly configured for magnetic resonance imaging (MRI) applications comprising: an upper magnet assembly and a lower magnet assembly asymmetrically oriented above and below a plane of asymmetry parallel to each other thereby defining an air gap region; wherein the upper magnet assembly is located above the plane of asymmetry and consists only of: wherein the lower magnet assembly is located below the plane of asymmetry and consists only of: wherein the horizontal yoke of the upper magnet assembly and the horizontal yoke of the lower magnet assembly are oriented about a plane of asymmetry parallel to each other, opposite the air gap region; wherein the horizontal yoke of the upper magnet assembly and the horizontal yoke of the lower magnet assembly are connected to each other by a return defining a C-type magnet, so that the entire magnet assembly forms a closed magnetic flux circuit in order to confine the magnetic fields to the magnet assembly itself, with the air gap, being cylindrical in geometry, and forming an imaging region in which to place a subject that is undergoing an MRI examination.