Magnetic resonance imaging device and control method thereof
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United States of America Patent
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Feb 6, 2024
Grant Date -
Dec 29, 2022
app pub date -
Jun 8, 2022
filing date -
Jun 24, 2021
priority date (Note) -
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Abstract
Distortion generated in an image is effectively corrected in imaging using an EPI sequence such as DWI without extending an imaging time. After one excitation RF pulse of EPI is applied, a navigator scan in which the polarity of the phase encoding is opposite to that of the main scan is performed continuously to the main scan, and the distortion of the image by using the navigator scan data obtained by the navigator scan is corrected. In a case of multi-shot, phase information obtained from the navigator scan data for each shot is used to perform phase correction and multi-shot reconstruction on the main scan data of each shot.
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