JP6166232B2 - 磁気共鳴制御シーケンスの決定 - Google Patents

磁気共鳴制御シーケンスの決定 Download PDF

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Publication number
JP6166232B2
JP6166232B2 JP2014154078A JP2014154078A JP6166232B2 JP 6166232 B2 JP6166232 B2 JP 6166232B2 JP 2014154078 A JP2014154078 A JP 2014154078A JP 2014154078 A JP2014154078 A JP 2014154078A JP 6166232 B2 JP6166232 B2 JP 6166232B2
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pulse
space
magnetic field
excitation
magnetic resonance
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JP2015027460A5 (enExample
JP2015027460A (ja
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シュテンマー アルト
シュテンマー アルト
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Siemens AG
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Siemens AG
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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
    • G01R33/483—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
    • G01R33/4836—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 using an RF pulse being spatially selective in more than one spatial dimension, e.g. a 2D pencil-beam excitation 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
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • G01R33/4824—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a non-Cartesian trajectory
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56572—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of a gradient magnetic field, e.g. non-linearity of a gradient magnetic field
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (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)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
JP2014154078A 2013-07-30 2014-07-29 磁気共鳴制御シーケンスの決定 Active JP6166232B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013214867.4 2013-07-30
DE201310214867 DE102013214867B4 (de) 2013-07-30 2013-07-30 Ermittlung einer Magnetresonanz-Ansteuersequenz mit konzentrischen, kreisförmigen Sendetrajektorien

Publications (3)

Publication Number Publication Date
JP2015027460A JP2015027460A (ja) 2015-02-12
JP2015027460A5 JP2015027460A5 (enExample) 2017-05-18
JP6166232B2 true JP6166232B2 (ja) 2017-07-19

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JP2014154078A Active JP6166232B2 (ja) 2013-07-30 2014-07-29 磁気共鳴制御シーケンスの決定

Country Status (5)

Country Link
US (1) US10012713B2 (enExample)
JP (1) JP6166232B2 (enExample)
KR (1) KR101663365B1 (enExample)
CN (1) CN104337516B (enExample)
DE (1) DE102013214867B4 (enExample)

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DE102011085766B4 (de) * 2011-11-04 2013-07-11 Siemens Aktiengesellschaft Rasche Erstellung von bezüglich eines Kontrasts gewichteten MR-Bildern
JP6076677B2 (ja) * 2011-11-25 2017-02-08 東芝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
KR101541290B1 (ko) * 2013-07-03 2015-08-03 삼성전자주식회사 자기 공명 신호 측정 방법 및 장치
US10369385B2 (en) * 2015-04-14 2019-08-06 The Board Of Trustees Of The Leland Stanford Junior University Quantitative MRI measurements near metal objects
BR112018000677A2 (pt) 2015-08-14 2018-09-18 Halliburton Energy Services Inc métodos de perfilagem de ressonância magnética nuclear (nmr) de formações subterrâneas.
KR101797674B1 (ko) 2016-02-12 2017-11-15 삼성전자주식회사 자기 공명 영상 촬영 장치 및 그에 따른 자기 공명 영상 촬영 방법
DE102016225793B3 (de) 2016-12-21 2018-02-08 Siemens Healthcare Gmbh Kalibrierung einer Magnetresonanzvorrichtung
CN107064836B (zh) * 2017-04-06 2019-10-29 深圳安科高技术股份有限公司 将fse序列梯度波形转化为三角形的降噪方法及系统
CN107192972B (zh) * 2017-05-17 2019-08-23 常楚笛 一种核磁共振成像系统及其成像方法
DE102018218471B3 (de) * 2018-10-29 2020-02-06 Siemens Healthcare Gmbh Verfahren zur Magnetresonanzbildgebung mit Zusatzgradientenpulsen, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger
US10622978B1 (en) * 2019-04-05 2020-04-14 IonQ, Inc. Quantum logic gate design and optimization
US11828822B2 (en) * 2019-04-30 2023-11-28 Purdue Research Foundation Simultaneous multi-slice MRSI using density weighted concentric ring acquisition
EP4194877A4 (en) 2020-08-06 2023-09-27 Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences Magnetic resonance imaging method and apparatus, and computer storage medium
CN112014782B (zh) * 2020-08-06 2023-07-28 深圳先进技术研究院 磁共振成像方法、装置及计算机存储介质
CN115015854B (zh) * 2022-05-16 2024-11-19 中国科学院空天信息创新研究院 一种多通道星载sar回波模拟器
DE102023201945B3 (de) * 2023-03-03 2024-05-29 Siemens Healthineers Ag Vorbereitung eines Magnetresonanzbildgebungsverfahrens unter Einhaltung stimulationsbasierter Limitationen

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US4812760A (en) 1987-07-27 1989-03-14 General Electric Company Multi-dimensional selective NMR excitation with a single RF pulse
US5532595A (en) * 1994-04-18 1996-07-02 Picker International, Inc. Three-dimensional spiral echo volume imaging
US5578921A (en) * 1995-01-10 1996-11-26 Board Of Trustees Of The Leland Stanford Junior University Magnetic resonance imaging using three-dimensional spectral-spatial excitation
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US6288545B1 (en) 1999-03-22 2001-09-11 General Electric Company Method and apparatus for calibration of RF and gradient field time delays
DE10056874C2 (de) * 2000-11-16 2003-02-06 Siemens Ag Verfahren zum Betrieb eines Magnetresonanzgeräts, bei dem Lageveränderungen mittels orbitaler Navigatorechos erfasst werden
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US10564241B2 (en) * 2012-01-17 2020-02-18 Regents Of The University Of Minnesota Steering resonance along a trajectory
JP6162131B2 (ja) * 2012-09-20 2017-07-12 株式会社日立製作所 磁気共鳴イメージング装置および磁気共鳴イメージング方法

Also Published As

Publication number Publication date
US10012713B2 (en) 2018-07-03
DE102013214867A1 (de) 2015-02-05
US20150035531A1 (en) 2015-02-05
JP2015027460A (ja) 2015-02-12
DE102013214867B4 (de) 2015-02-12
KR20150014887A (ko) 2015-02-09
KR101663365B1 (ko) 2016-10-06
CN104337516A (zh) 2015-02-11
CN104337516B (zh) 2017-06-30

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