JP6758842B2 - 磁気共鳴イメージング装置 - Google Patents

磁気共鳴イメージング装置 Download PDF

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Publication number
JP6758842B2
JP6758842B2 JP2016017216A JP2016017216A JP6758842B2 JP 6758842 B2 JP6758842 B2 JP 6758842B2 JP 2016017216 A JP2016017216 A JP 2016017216A JP 2016017216 A JP2016017216 A JP 2016017216A JP 6758842 B2 JP6758842 B2 JP 6758842B2
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Japan
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collection
slice
imaging
image
period
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JP2016017216A
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Japanese (ja)
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JP2017136113A (ja
JP2017136113A5 (https=
Inventor
杉浦　聡
聡 杉浦
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Canon Medical Systems Corp
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Canon Medical Systems Corp
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Priority to JP2016017216A priority Critical patent/JP6758842B2/ja
Priority to US15/378,183 priority patent/US10330761B2/en
Publication of JP2017136113A publication Critical patent/JP2017136113A/ja
Publication of JP2017136113A5 publication Critical patent/JP2017136113A5/ja
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Classifications

    • 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
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • G01R33/4833—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices
    • G01R33/4835—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices of multiple slices
    • 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
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56308—Characterization of motion or flow; Dynamic 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
    • G01R33/54—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
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56308—Characterization of motion or flow; Dynamic imaging
    • G01R33/56325—Cine 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
    • G01R33/54—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
    • G01R33/567—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
    • G01R33/5673—Gating or triggering based on a physiological signal other than an MR signal, e.g. ECG gating or motion monitoring using optical systems for monitoring the motion of a fiducial marker

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Vascular Medicine (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2016017216A 2016-02-01 2016-02-01 磁気共鳴イメージング装置 Active JP6758842B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2016017216A JP6758842B2 (ja) 2016-02-01 2016-02-01 磁気共鳴イメージング装置
US15/378,183 US10330761B2 (en) 2016-02-01 2016-12-14 Magnetic resonance imaging apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016017216A JP6758842B2 (ja) 2016-02-01 2016-02-01 磁気共鳴イメージング装置

Publications (3)

Publication Number Publication Date
JP2017136113A JP2017136113A (ja) 2017-08-10
JP2017136113A5 JP2017136113A5 (https=) 2019-01-17
JP6758842B2 true JP6758842B2 (ja) 2020-09-23

Family

ID=59386106

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016017216A Active JP6758842B2 (ja) 2016-02-01 2016-02-01 磁気共鳴イメージング装置

Country Status (2)

Country Link
US (1) US10330761B2 (https=)
JP (1) JP6758842B2 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3470868A1 (en) * 2017-10-16 2019-04-17 Koninklijke Philips N.V. Quantitative measurement of relaxation times in magnetic resonance imaging
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
US11740306B2 (en) * 2021-11-30 2023-08-29 Shanghai United Imaging Healthcare Co., Ltd. Systems and methods for magnetic resonance T1 mapping

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0871060A (ja) * 1994-08-31 1996-03-19 Shimadzu Corp 核磁気共鳴イメージング装置
JPH10201733A (ja) * 1997-01-17 1998-08-04 Hitachi Medical Corp 磁気共鳴イメージング装置
DE102005037369B4 (de) * 2005-08-08 2007-11-22 Siemens Ag Magnetresonanz-Bildgebungsverfahren mit Anwendung der True-FISP-Sequenz und sequentieller Erfassung der MR-Bilder mehrerer Schichten eines Messobjekts sowie Kernspintomograph zur Durchführung des Verfahrens
US9008753B2 (en) 2009-11-10 2015-04-14 Deutsches Herzzentrum Berlin Look-locker IR-SSFP for cardiac MR imaging with simultaneous generation of cardiac T1 maps, cine images and IR-prepared images
DE102010001145A1 (de) * 2010-01-22 2011-07-28 Siemens Aktiengesellschaft, 80333 Verfahren und Vorrichtung zur Magnetresonanzbildgebung zum Erstellen von T1-Karten
US9285446B2 (en) * 2010-09-29 2016-03-15 Isis Innovation Limited Systems and methods for shortened look locker inversion recovery (Sh-MOLLI) cardiac gated mapping of T1
US9638778B2 (en) * 2012-12-12 2017-05-02 Northwestern University Methods and systems for improving SNR in multi-slice multi-segment magnetic resonance imaging

Also Published As

Publication number Publication date
JP2017136113A (ja) 2017-08-10
US20170219671A1 (en) 2017-08-03
US10330761B2 (en) 2019-06-25

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