RU2702843C2 - Спин-эхо мр-визуализация - Google Patents

Спин-эхо мр-визуализация Download PDF

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Publication number
RU2702843C2
RU2702843C2 RU2017125179A RU2017125179A RU2702843C2 RU 2702843 C2 RU2702843 C2 RU 2702843C2 RU 2017125179 A RU2017125179 A RU 2017125179A RU 2017125179 A RU2017125179 A RU 2017125179A RU 2702843 C2 RU2702843 C2 RU 2702843C2
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RU
Russia
Prior art keywords
segment
magnetic field
sequence
spin echo
gradient
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RU2017125179A
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English (en)
Russian (ru)
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RU2017125179A3 (enExample
RU2017125179A (ru
Inventor
Тим НИЛЬСЕН
Original Assignee
Конинклейке Филипс Н.В.
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Publication of RU2017125179A publication Critical patent/RU2017125179A/ru
Publication of RU2017125179A3 publication Critical patent/RU2017125179A3/ru
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055Detecting, 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/50NMR imaging systems based on the determination of relaxation times, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo sequences
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/54Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561Image 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
    • G01R33/5613Generating steady state signals, e.g. low flip angle sequences [FLASH]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/54Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56563Correction 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)
RU2017125179A 2014-12-15 2015-12-11 Спин-эхо мр-визуализация RU2702843C2 (ru)

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 (3)

Publication Number Publication Date
RU2017125179A RU2017125179A (ru) 2019-01-17
RU2017125179A3 RU2017125179A3 (enExample) 2019-04-24
RU2702843C2 true RU2702843C2 (ru) 2019-10-11

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Family Applications (1)

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RU2017125179A RU2702843C2 (ru) 2014-12-15 2015-12-11 Спин-эхо мр-визуализация

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)

Families Citing this family (6)

* 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 (4)

* Cited by examiner, † Cited by third party
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RU2063702C1 (ru) * 1992-07-20 1996-07-20 Леонид Аврамович Тютин Способ магнитно-резонансной томографии и устройство для его осуществления
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
US6239597B1 (en) * 1999-10-14 2001-05-29 General Electric Company Method and apparatus for rapid T2 weighted MR image acquisition
US20040140803A1 (en) * 2002-10-31 2004-07-22 Michael Deimling Method to determine the ADC coefficients in diffusion-weighted magnetic resonance imaging given use of steady-state sequences

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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
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
DE19860488C1 (de) * 1998-12-28 2000-10-26 Siemens Ag Impulssequenz für ein Kernspintomographiegerät
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
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
EP2500742A1 (en) * 2011-03-17 2012-09-19 Koninklijke Philips Electronics N.V. Restriction of the imaging region for MRI in an inhomogeneous magnetic field
US8497680B2 (en) * 2011-03-24 2013-07-30 University Hospital Of Basel Magnetic resonance method for quantification of molecular diffusion using double echo steady state sequences
DE102011082266B4 (de) * 2011-09-07 2015-08-27 Siemens Aktiengesellschaft Abbilden eines Teilbereichs am Rand des Gesichtsfeldes eines Untersuchungsobjekts in einer Magnetresonanzanlage
JP5917077B2 (ja) * 2011-10-13 2016-05-11 株式会社東芝 磁気共鳴イメージング装置
KR101343029B1 (ko) * 2011-11-08 2013-12-18 한국과학기술원 자기 공명 영상 장치 및 그 제어 방법
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US9551770B1 (en) * 2013-01-24 2017-01-24 Abbas Nasiraei Moghaddam Functional magnetic resonance imaging by spatially modulating steady-state signal in steady-state free precession
US10203394B2 (en) * 2013-01-25 2019-02-12 Koninklijke Philips N.V. Metal resistant MR imaging
DE102013201616B3 (de) 2013-01-31 2014-07-17 Siemens Aktiengesellschaft TSE-basierte, gegen lokale B0-Feldvariationen unempfindliche MR-Mulitschicht-Anregung
DE102013205208B4 (de) * 2013-03-25 2015-02-12 Siemens Aktiengesellschaft Multiecho-Magnetresonanz-Messsequenz mit erhöhter Auflösung
CN104166111B (zh) 2013-05-28 2015-07-01 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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2063702C1 (ru) * 1992-07-20 1996-07-20 Леонид Аврамович Тютин Способ магнитно-резонансной томографии и устройство для его осуществления
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
US6239597B1 (en) * 1999-10-14 2001-05-29 General Electric Company Method and apparatus for rapid T2 weighted MR image acquisition
US20040140803A1 (en) * 2002-10-31 2004-07-22 Michael Deimling Method to determine the ADC coefficients in diffusion-weighted magnetic resonance imaging given use of steady-state sequences

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
CN107548464A (zh) 2018-01-05
EP3234624A1 (en) 2017-10-25
CN107548464B (zh) 2024-11-26
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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