CN107548464B - 自旋回波mr成像 - Google Patents

自旋回波mr成像 Download PDF

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Publication number
CN107548464B
CN107548464B CN201580075942.9A CN201580075942A CN107548464B CN 107548464 B CN107548464 B CN 107548464B CN 201580075942 A CN201580075942 A CN 201580075942A CN 107548464 B CN107548464 B CN 107548464B
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China
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unit
magnetic field
pulse
spin echo
refocusing
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CN201580075942.9A
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English (en)
Chinese (zh)
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CN107548464A (zh
Inventor
T·尼尔森
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Koninklijke Philips NV
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Koninklijke Philips NV
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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
    • G01R33/50—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
    • G01R33/5613—Generating steady state signals, e.g. low flip angle sequences [FLASH]
    • 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
    • G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (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)
CN201580075942.9A 2014-12-15 2015-12-11 自旋回波mr成像 Active CN107548464B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP14197935.1 2014-12-15
EP14197935 2014-12-15
PCT/EP2015/079333 WO2016096623A1 (en) 2014-12-15 2015-12-11 Spin echo mr imaging

Publications (2)

Publication Number Publication Date
CN107548464A CN107548464A (zh) 2018-01-05
CN107548464B true CN107548464B (zh) 2024-11-26

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ID=52146138

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CN201580075942.9A Active CN107548464B (zh) 2014-12-15 2015-12-11 自旋回波mr成像

Country Status (7)

Country Link
US (1) US11137466B2 (enExample)
EP (1) EP3234624B1 (enExample)
JP (1) JP6416413B2 (enExample)
CN (1) CN107548464B (enExample)
BR (1) BR112017012452B1 (enExample)
RU (1) RU2702843C2 (enExample)
WO (1) WO2016096623A1 (enExample)

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* Cited by examiner, † Cited by third party
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DE102013205528B3 (de) * 2013-03-27 2014-08-28 Universitätsklinikum Freiburg Verfahren der Magnetresonanz mit Anregung durch einen prewinding pulse
EP3540453A1 (en) * 2018-03-13 2019-09-18 Koninklijke Philips N.V. Mr imaging with spiral acquisition
CN108982567A (zh) * 2018-06-04 2018-12-11 中国科学院电工研究所无锡分所 一种核磁共振岩心自旋回波成像方法
EP3715896B1 (en) * 2019-03-27 2023-02-15 Siemens Healthcare GmbH Minimization of signal losses in multi-echo imaging
CN111352054B (zh) * 2020-03-31 2020-10-13 浙江大学 一种振荡梯度准备的3d梯度自旋回波成像方法及设备
CN115561689A (zh) * 2021-07-02 2023-01-03 西门子医疗有限公司 具有第一材料和第二材料的对象的磁共振成像

Citations (2)

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CN103969611A (zh) * 2013-01-31 2014-08-06 西门子公司 用于运行磁共振系统的方法和控制装置
CN104166111A (zh) * 2013-05-28 2014-11-26 上海联影医疗科技有限公司 磁共振图像采集与重建方法及装置

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EP0567194A3 (en) * 1992-04-24 1994-05-18 Philips Electronics Nv Method and apparatus for rapid spin echo magnetic resonance imaging
RU2063702C1 (ru) * 1992-07-20 1996-07-20 Леонид Аврамович Тютин Способ магнитно-резонансной томографии и устройство для его осуществления
JPH09506A (ja) * 1995-06-21 1997-01-07 Toshiba Corp 磁気共鳴イメージング装置
JP3688773B2 (ja) * 1995-10-31 2005-08-31 株式会社東芝 Ｍｒｉ装置
JPH09285457A (ja) * 1996-04-25 1997-11-04 Toshiba Corp 磁気共鳴イメージング装置
US5825184A (en) * 1996-04-26 1998-10-20 Picker International, Inc. Ultra-fast imaging technique using k-space segmentation with minimum phase and amplitude errors
DE19860488C1 (de) * 1998-12-28 2000-10-26 Siemens Ag Impulssequenz für ein Kernspintomographiegerät
US6239597B1 (en) * 1999-10-14 2001-05-29 General Electric Company Method and apparatus for rapid T2 weighted MR image acquisition
JP3796446B2 (ja) * 2002-01-23 2006-07-12 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｍｒｉ装置
DE10250922B4 (de) * 2002-10-31 2008-01-31 Siemens Ag Verfahren zur Ermittlung des ADC-Koeffizienten in der Diffusionsgewichteten Magnetresonanz-Bildgebung bei Verwendung von Steady-State-Sequenzen
US7834625B2 (en) 2008-01-03 2010-11-16 Allegheny-Singer Research Institute Split-echo with fractional temporal-interpolation
JP5300279B2 (ja) * 2008-01-31 2013-09-25 株式会社東芝 磁気共鳴イメージング装置
DE102008044828B3 (de) * 2008-08-28 2010-04-15 Siemens Aktiengesellschaft Verwendung eines Magnetresonanz-Sequenzmodells zur formalen Beschreibung einer Messsequenz
EP2239592A1 (en) * 2009-04-08 2010-10-13 Universitätsklinikum Freiburg Simultaneous excitation and acquisition of signal from multiple slices in the RARE sequence (multiplex RARE)
JP2011229673A (ja) * 2010-04-27 2011-11-17 Ge Medical Systems Global Technology Co Llc 磁気共鳴イメージング装置
CN102959388B (zh) * 2010-06-24 2016-02-24 皇家飞利浦电子股份有限公司 利用压缩感测重建的动态对比度增强mr成像
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KR101343029B1 (ko) * 2011-11-08 2013-12-18 한국과학기술원 자기 공명 영상 장치 및 그 제어 방법
WO2014053927A1 (en) * 2012-10-02 2014-04-10 Koninklijke Philips N.V. Metal resistant mr imaging reference scan
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Patent Citations (2)

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CN103969611A (zh) * 2013-01-31 2014-08-06 西门子公司 用于运行磁共振系统的方法和控制装置
CN104166111A (zh) * 2013-05-28 2014-11-26 上海联影医疗科技有限公司 磁共振图像采集与重建方法及装置

Also Published As

Publication number Publication date
JP6416413B2 (ja) 2018-10-31
WO2016096623A1 (en) 2016-06-23
BR112017012452B1 (pt) 2022-03-15
JP2017537763A (ja) 2017-12-21
RU2702843C2 (ru) 2019-10-11
CN107548464A (zh) 2018-01-05
EP3234624A1 (en) 2017-10-25
RU2017125179A3 (enExample) 2019-04-24
EP3234624B1 (en) 2018-11-07
RU2017125179A (ru) 2019-01-17
US20170350954A1 (en) 2017-12-07
BR112017012452A2 (pt) 2018-02-20
US11137466B2 (en) 2021-10-05

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