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SELF-FASTENING CAGE SURROUDING A MAGNETIC RESONANCE DEVICE AND METHODS THEREOF

  • US 20080246476A1
  • Filed: 05/27/2008
  • Published: 10/09/2008
  • Est. Priority Date: 11/03/2005
  • Status: Active Grant
First Claim
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1. A self-fastening cage of a magnetic resonance device (MRD) (100) for providing a homogeneous, stable and uniform magnetic field therein, characterized by an outside shell;

  • said outside shell comprising at least three flexi-jointed superimposed walls (1) disposed in a predetermined clockwise or counterclockwise arrangement;

    said MRD comprising;

    a. at least six side-magnets (2) arranged in two equal groups being in a face-to-face orientation in a magnetic connection with said outside shell, increasing the overall strength of the magnetic field provided in said cage;

    b. at least two pole-magnet pieces (3), arranged in a face-to-face orientation in between said side-magnets (2);

    c. at least two main-magnets (4), located on said pole-pieces (3), arranged in a face-to-face orientation, generating the static magnetic field therein said cage; and

    ,d. shimming mechanism, said mechanism is selected from a group consisting of an array of active shim coils, passive shimming elements or a combination thereof;

    wherein at least a portion of said side-magnets (2) are superconductors or ferromagnets.

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