KR101655126B1 - 자기 공명 제어 시퀀스의 결정 - Google Patents

자기 공명 제어 시퀀스의 결정 Download PDF

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Publication number
KR101655126B1
KR101655126B1 KR1020140047407A KR20140047407A KR101655126B1 KR 101655126 B1 KR101655126 B1 KR 101655126B1 KR 1020140047407 A KR1020140047407 A KR 1020140047407A KR 20140047407 A KR20140047407 A KR 20140047407A KR 101655126 B1 KR101655126 B1 KR 101655126B1
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South Korea
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selection
magnetic resonance
pulse
selection direction
control sequence
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Korean (ko)
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KR20140127163A (ko
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도미니크 폴
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지멘스 악티엔게젤샤프트
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    • 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
    • G01R33/483—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
    • 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
    • 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
    • G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • G01R33/5612—Parallel RF transmission, i.e. RF pulse transmission using a plurality of independent transmission channels
    • 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]
    • G01R33/5618—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 both RF and gradient refocusing, e.g. GRASE
    • 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
    • G01R33/5619—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 by temporal sharing of data, e.g. keyhole, block regional interpolation scheme for k-Space [BRISK]
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56545—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by finite or discrete sampling, e.g. Gibbs ringing, truncation artefacts, phase aliasing artefacts
    • 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]
    • G01R33/5617—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 RF refocusing, e.g. RARE

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
KR1020140047407A 2013-04-24 2014-04-21 자기 공명 제어 시퀀스의 결정 Expired - Fee Related KR101655126B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013207390.9A DE102013207390B4 (de) 2013-04-24 2013-04-24 Ermittlung einer Magnetresonanz-Ansteuersequenz mit einer automatischen Anpassung einer ersten und einer zweiten Selektionsrichtung
DE102013207390.9 2013-04-24

Publications (2)

Publication Number Publication Date
KR20140127163A KR20140127163A (ko) 2014-11-03
KR101655126B1 true KR101655126B1 (ko) 2016-09-07

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Country Status (5)

Country Link
US (1) US9702952B2 (enExample)
JP (1) JP6270609B2 (enExample)
KR (1) KR101655126B1 (enExample)
CN (1) CN104122519B (enExample)
DE (1) DE102013207390B4 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013220301B4 (de) * 2013-10-08 2015-07-16 Siemens Aktiengesellschaft Ermittlung einer Ansteuersequenz für ein Magnetresonanzbildgebungssystem unter Verwendung eines Ausführbarkeitskriteriums
DE102016200549A1 (de) * 2016-01-18 2017-07-20 Siemens Healthcare Gmbh Verfahren zur Einstellung einer MRT-Sequenz
CN108020796B (zh) * 2016-10-31 2021-10-29 西门子(深圳)磁共振有限公司 一种磁共振扩散加权成像方法和装置
WO2018083504A1 (en) * 2016-11-07 2018-05-11 Oxford University Innovation Limited Correction method for magnetic resonance t1-mapping of visceral organs in the presence of elevated iron and elevated fat levels, and in the presence of off-resonance frequencies
JP6996985B2 (ja) * 2018-01-10 2022-01-17 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

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61275645A (ja) * 1985-05-31 1986-12-05 Shimadzu Corp Ｍｒｉ装置のデ−タ収集法
JPS62224337A (ja) * 1985-12-28 1987-10-02 旭化成株式会社 核磁気共鳴を用いた画像情報導出方法
JPS62217950A (ja) * 1986-03-18 1987-09-25 横河メディカルシステム株式会社 Ｎｍｒイメ−ジング装置
JPS6354155A (ja) * 1986-08-25 1988-03-08 旭化成株式会社 核磁気共鳴情報を得る方法
JP2874927B2 (ja) * 1990-01-09 1999-03-24 株式会社東芝 Ｍｒｉ装置
JPH04108427A (ja) * 1990-08-29 1992-04-09 Hitachi Ltd Ｍｒｉ部分領域超高速撮影方法及びこれにもとづく磁気共鳴診断装置
US5270654A (en) * 1991-07-05 1993-12-14 Feinberg David A Ultra-fast multi-section MRI using gradient and spin echo (grase) imaging
JP3839992B2 (ja) * 1999-03-31 2006-11-01 株式会社東芝 磁気共鳴イメージング装置
US6541971B1 (en) * 2001-06-28 2003-04-01 Koninklijke Philips Electronics, N.V. Multi-dimensional spatial NMR excitation
DE10203237B4 (de) * 2002-01-28 2006-08-17 Siemens Ag Verfahren zur Magnetresonanz-Bildgebung mit automatischer Anpassung des Messfeldes
JP4309632B2 (ja) * 2002-10-08 2009-08-05 株式会社東芝 磁気共鳴イメージング装置
DE102004026616B4 (de) * 2004-06-01 2007-09-20 Siemens Ag Verfahren zum Messen eines Untersuchungsbereichs mit einem Magnetresonanzgerät
CA2664770C (en) 2006-09-29 2014-05-27 Toray Industries, Inc. Cell adsorption column
WO2010044299A1 (ja) * 2008-10-17 2010-04-22 株式会社 日立メディコ 磁気共鳴撮影装置
JP2010207568A (ja) * 2009-02-10 2010-09-24 Toshiba Corp 磁気共鳴イメージング装置
US8085043B2 (en) * 2009-04-03 2011-12-27 Siemens Aktiengesellschaft Method for image data acquisition with a magnetic resonance device
DE102010038777B4 (de) * 2010-08-02 2012-12-13 Siemens Aktiengesellschaft Erstellung von MR-Bildern eines vorbestimmten Volumenabschnitts innerhalb eines Untersuchungsobjekts bei kontinuierlicher Tischverschiebung
DE102011080215B4 (de) * 2011-08-01 2013-02-28 Siemens Aktiengesellschaft Erfassung von MR-Daten in einem vorbestimmten Bereich
DE102011083398B4 (de) 2011-09-26 2014-03-13 Siemens Aktiengesellschaft Erzeugung von T2-gewichteten Magnetresonanzaufnahmen
DE102011083959B4 (de) * 2011-10-04 2021-02-25 Siemens Healthcare Gmbh Verfahren zur Ansteuerung eines Magnetresonanzsystems
JP5797782B2 (ja) * 2012-01-30 2015-10-21 株式会社日立メディコ 磁気共鳴撮影装置

Also Published As

Publication number Publication date
KR20140127163A (ko) 2014-11-03
US9702952B2 (en) 2017-07-11
DE102013207390B4 (de) 2015-03-05
JP6270609B2 (ja) 2018-01-31
CN104122519B (zh) 2017-04-12
DE102013207390A1 (de) 2014-10-30
US20140320127A1 (en) 2014-10-30
CN104122519A (zh) 2014-10-29
JP2014213207A (ja) 2014-11-17

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