JP6782681B2 - 磁気共鳴イメージング装置、撮像パラメータセット生成用演算装置及び撮像パラメータセット生成プログラム - Google Patents

磁気共鳴イメージング装置、撮像パラメータセット生成用演算装置及び撮像パラメータセット生成プログラム Download PDF

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JP6782681B2
JP6782681B2 JP2017213762A JP2017213762A JP6782681B2 JP 6782681 B2 JP6782681 B2 JP 6782681B2 JP 2017213762 A JP2017213762 A JP 2017213762A JP 2017213762 A JP2017213762 A JP 2017213762A JP 6782681 B2 JP6782681 B2 JP 6782681B2
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imaging
value
parameter set
quantitative
magnetic resonance
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JP2019083992A (ja
JP2019083992A5 (enExample
Inventor
俊 横沢
俊 横沢
陽 谷口
陽 谷口
知樹 雨宮
知樹 雨宮
亨 白猪
亨 白猪
久晃 越智
久晃 越智
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Hitachi Ltd
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Hitachi Ltd
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Priority to US16/756,177 priority patent/US11428769B2/en
Priority to PCT/JP2018/031429 priority patent/WO2019087543A1/ja
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/543—Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/50—NMR imaging systems based on the determination of relaxation times, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo sequences
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
    • G01R33/5616—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE] using gradient refocusing, e.g. EPI
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/546—Interface between the MR system and the user, e.g. for controlling the operation of the MR system or for the design of pulse sequences
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/5602—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by filtering or weighting based on different relaxation times within the sample, e.g. T1 weighting using an inversion pulse
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5613—Generating steady state signals, e.g. low flip angle sequences [FLASH]

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Signal Processing (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2017213762A 2017-11-06 2017-11-06 磁気共鳴イメージング装置、撮像パラメータセット生成用演算装置及び撮像パラメータセット生成プログラム Active JP6782681B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2017213762A JP6782681B2 (ja) 2017-11-06 2017-11-06 磁気共鳴イメージング装置、撮像パラメータセット生成用演算装置及び撮像パラメータセット生成プログラム
US16/756,177 US11428769B2 (en) 2017-11-06 2018-08-24 Magnetic resonance imaging device, calculation device for generation of imaging parameter set, and imaging parameter set generation program
PCT/JP2018/031429 WO2019087543A1 (ja) 2017-11-06 2018-08-24 磁気共鳴イメージング装置、撮像パラメータセット生成用演算装置及び撮像パラメータセット生成プログラム

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JP2017213762A JP6782681B2 (ja) 2017-11-06 2017-11-06 磁気共鳴イメージング装置、撮像パラメータセット生成用演算装置及び撮像パラメータセット生成プログラム

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JP2019083992A5 JP2019083992A5 (enExample) 2020-07-02
JP6782681B2 true JP6782681B2 (ja) 2020-11-11

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JP7357516B2 (ja) * 2019-11-21 2023-10-06 富士フイルムヘルスケア株式会社 磁気共鳴撮像装置、及び、その制御方法
JP7377231B2 (ja) * 2021-02-02 2023-11-09 富士フイルムヘルスケア株式会社 磁気共鳴イメージング装置、及び、画像処理方法
US20220291319A1 (en) * 2021-03-12 2022-09-15 Northshore University Healthsystem System and method for magnetization-prepared three-dimensional unbalanced steady-state free precession magnetic resonance imaging

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US7078900B2 (en) * 2004-07-23 2006-07-18 General Electric Company Method and system of determining parameters for MR data acquisition with real-time B1 optimization
DE102008058740B4 (de) * 2008-11-24 2012-05-31 Siemens Aktiengesellschaft Korrektur von Artefakten in der "Time of Flight"- MR-Angiographie
JP5449903B2 (ja) * 2009-07-29 2014-03-19 株式会社日立メディコ 磁気共鳴イメージング装置
US8314618B2 (en) * 2010-03-26 2012-11-20 University Hospital Of Basel Magnetic resonance method for quantification of transverse relaxation times
DE102010003895B4 (de) * 2010-04-13 2019-07-04 Siemens Healthcare Gmbh Verfahren zur Erzeugung von angiographischen Magnetresonanzbildern
JP6462307B2 (ja) * 2014-01-17 2019-01-30 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置
DE102014206636B4 (de) * 2014-04-07 2024-10-10 Siemens Healthineers Ag Verfahren zum Optimieren von Sequenzabläufen unter Berück-sichtigung physiologischer Grenzwerte und entsprechende Vorrichtung
WO2017013801A1 (ja) * 2015-07-23 2017-01-26 株式会社日立製作所 磁気共鳴イメージング装置
US11122988B2 (en) 2015-08-06 2021-09-21 Hitachi, Ltd. Magnetic resonance imaging apparatus
JP6571495B2 (ja) * 2015-11-06 2019-09-04 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置及び画像生成方法
DE102016207264A1 (de) * 2016-04-28 2017-11-02 Siemens Healthcare Gmbh Einhalten von Grenzwerten beim Erfassen von Daten mittels einer Magnetresonanzanlage

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US20200278411A1 (en) 2020-09-03
US11428769B2 (en) 2022-08-30
WO2019087543A1 (ja) 2019-05-09

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