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Method for simultaneous multi-slice magnetic resonance imaging

  • US 8,405,395 B2
  • Filed: 04/15/2010
  • Issued: 03/26/2013
  • Est. Priority Date: 04/15/2010
  • Status: Active Grant
First Claim
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1. A method for producing a plurality of images of a subject with a magnetic resonance imaging (MRI) system, the steps of the method comprising:

  • a) applying, with the MRI system, a radio frequency (RF) excitation field to a portion of a subject that includes a plurality of slice locations, the plurality of slice locations including a current slice location and at least one adjacent slice location;

    b) establishing, with the MRI system, at least one readout magnetic field gradient along a frequency-encoding direction following the application of the RF excitation field in order to form echo signals;

    c) sequentially producing a plurality of slice-encoding magnetic field gradient blips along a slice-encoding direction while the at least one readout magnetic field gradient is established in order to impart a phase shift to the formed echo signals such that image data corresponding to the at least one adjacent slice location is shifted by a selected percentage of a field-of-view (FOV) of the current slice location;

    d) acquiring, with an array of RF receiver coils that forms a part of the MRI system, image data indicative of the formed echo signals; and

    e) reconstructing a plurality of images of the subject from the acquired image data, each of the plurality of images depicting the subject at a corresponding one of the plurality of slice locations.

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