Magnetic resonance imaging apparatus and artifact suppression method thereof

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United States of America Patent

PATENT NO 10459046
APP PUB NO 20170030991A1
SERIAL NO

15211181

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Abstract

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According to at least one of embodiments, a magnetic resonance imaging apparatus includes a superconducting magnet configured to generate a static magnetic field; a cryocooler configured to cool down the superconducting magnet in a refrigeration cycle in which mechanical fluctuation with a predetermined period is included; a sequence controller configured to acquire magnetic resonance signals for generating a diagnostic image from an object; and processing circuitry configured to correct phase fluctuation included in the magnetic resonance signals for generating a diagnostic image acquired by the sequence controller, the phase fluctuation being generated by periodic fluctuation of the static magnetic field caused by mechanical fluctuation of the cryocooler.

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Patent Owner(s)

  • CANON MEDICAL SYSTEMS CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nozaki, Seiji Otawara, JP 13 195
Sugiura, Satoshi Otawara, JP 134 1639

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