Method for reduced field of view MRI in an inhomogeneous field with rapid outer volume suppression
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United States of America Patent
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Aug 22, 2017
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Oct 24, 2013
app pub date -
Apr 18, 2013
filing date -
Apr 19, 2012
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Abstract
An MRI scanner may include one or more gradient waveform generators, gradient amplifiers, gradient coils, an RF waveform generator, an RF amplifier, an RF coil, a superconducting magnet, an RF detector; a digitizer, and a computer system that controls the one or more gradient waveform generators and the RF waveform generator so as to generate a magnetization saturation preparation pulse sequence that includes a tip-down pulse that is insensitive to RF field inhomogeneity followed by a tip-back pulse that employs a conjugate symmetry constraint in its energy spectrum.
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