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Open MRI Magnetic Field Generator

  • US 20090085700A1
  • Filed: 12/06/2006
  • Published: 04/02/2009
  • Est. Priority Date: 12/19/2005
  • Status: Active Grant
First Claim
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1. A magnet for use in MRI applications, said magnet generally comprising:

  • i. a pair of L-poles oriented about a plane of symmetry parallel to each therebetween defining an air gap region;

    ii. a pair of L-magnets as magnetic field sources secured on the surfaces of the L-poles opposite the air gap, one pair of the L-magnets on one L-pole and the other pair on the other L-pole;

    iii. said pair of L-magnets having disposed on them a pair of T-yokes on their surfaces opposite the L-poles, one pair of the T-yokes on one L-magnet and the other pair of the T-yokes on the other L-magnet;

    iv. said pair of T-yokes connected to each other by returns so that the entire magnet assembly can form a closed magnetic flux circuit to substantially confine the magnetic fields in said air gap, L-poles, L-magnets, T-yokes and returns whereby said air gap, being cylindrical in geometry, forms an imaging region to place subjects for the purposes of examination.

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