Three-dimensional positioning of the patient couch at the center of the static or gradient magnetic field in MRI
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United States of America Patent
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Apr 25, 2006
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N/A
app pub date -
Jul 22, 2004
filing date -
Sep 30, 1998
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Abstract
In a magnetic resonance imaging apparatus, a transmitting/receiving coil is attached to a patient at a region of interest and disposed within a static magnetic field, a radio-frequency magnetic field, and a gradient magnetic field and an image of the patient is obtained. A tabletop is used to move the patient in the static field in a horizontal direction within a horizontal plane and up and down in a direction that is perpendicular to the horizontal plane, a patient couch controller causing the tabletop to move, based on the position of the region of interest obtained from the image, so that the position of the region of interest is caused to coincide in three dimensions with the center of the static magnetic field and/or the gradient magnetic field.
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