NL1034839A1 - Magnetische-resonantieafbeeldingsapparatuur. - Google Patents

Magnetische-resonantieafbeeldingsapparatuur.

Info

Publication number
NL1034839A1
NL1034839A1 NL1034839A NL1034839A NL1034839A1 NL 1034839 A1 NL1034839 A1 NL 1034839A1 NL 1034839 A NL1034839 A NL 1034839A NL 1034839 A NL1034839 A NL 1034839A NL 1034839 A1 NL1034839 A1 NL 1034839A1
Authority
NL
Netherlands
Prior art keywords
magnetic resonance
resonance imaging
imaging equipment
equipment
magnetic
Prior art date
Application number
NL1034839A
Other languages
English (en)
Other versions
NL1034839C2 (nl
Inventor
Mitsuharu Miyoshi
Original Assignee
Ge Med Sys Global Tech Co Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ge Med Sys Global Tech Co Llc filed Critical Ge Med Sys Global Tech Co Llc
Publication of NL1034839A1 publication Critical patent/NL1034839A1/nl
Application granted granted Critical
Publication of NL1034839C2 publication Critical patent/NL1034839C2/nl

Links

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
    • G01R33/54—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
    • G01R33/5635—Angiography, e.g. contrast-enhanced angiography [CE-MRA] or time-of-flight angiography [TOF-MRA]
    • 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
    • G01R33/54—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
    • G01R33/561—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
    • 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]
    • 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
    • G01R33/56316—Characterization of motion or flow; Dynamic imaging involving phase contrast techniques

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Signal Processing (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
NL1034839A 2006-12-22 2007-12-18 Magnetische-resonantieafbeeldingsapparatuur. NL1034839C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006346117 2006-12-22
JP2006346117A JP5022696B2 (ja) 2006-12-22 2006-12-22 磁気共鳴イメージング装置

Publications (2)

Publication Number Publication Date
NL1034839A1 true NL1034839A1 (nl) 2008-06-24
NL1034839C2 NL1034839C2 (nl) 2009-03-30

Family

ID=39432100

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1034839A NL1034839C2 (nl) 2006-12-22 2007-12-18 Magnetische-resonantieafbeeldingsapparatuur.

Country Status (6)

Country Link
US (1) US7541809B2 (nl)
JP (1) JP5022696B2 (nl)
KR (1) KR101450885B1 (nl)
CN (1) CN101204327B (nl)
DE (1) DE102007061565B4 (nl)
NL (1) NL1034839C2 (nl)

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* Cited by examiner, † Cited by third party
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JP5037075B2 (ja) * 2005-12-22 2012-09-26 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 磁気共鳴イメージング装置
JP4249215B2 (ja) * 2006-10-06 2009-04-02 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 磁気共鳴イメージング装置
JP5037236B2 (ja) * 2007-06-20 2012-09-26 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 磁気共鳴イメージング装置および磁気共鳴画像生成方法
US20090143666A1 (en) * 2007-11-29 2009-06-04 Edelman Robert R System And Method For Non-Contrast Agent MR Angiography
JP5305785B2 (ja) * 2008-08-25 2013-10-02 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 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装置の制御方法
US8502537B2 (en) * 2009-04-02 2013-08-06 Regents Of The University Of Minnesota Adiabatic magnetization preparation for B1 and B0 insensitive high contrast MRI
JP5633899B2 (ja) * 2009-06-30 2014-12-03 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 磁気共鳴イメージング装置
WO2011090089A1 (ja) * 2010-01-22 2011-07-28 株式会社 日立メディコ 磁気共鳴イメージング装置及び血管画像撮像方法
JP5345610B2 (ja) * 2010-12-28 2013-11-20 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 磁気共鳴イメージング装置
US8760161B2 (en) * 2011-02-21 2014-06-24 General Electric Company System and method for enhanced contrast MR imaging
DE102011080254B4 (de) * 2011-08-02 2013-06-27 Siemens Aktiengesellschaft Bewegungskorrigierte Multi-Shot-Verfahren zur diffusionsgewichteten MR-Bildgebung mit zusätzlichen Referenz-Rohdaten und entsprechende Vorrichtungen
DE102012205664B4 (de) 2012-04-05 2013-10-31 Siemens Aktiengesellschaft Verfahren und Steuervorrichtung zur Ansteuerung eines Magnetresonanzsystems
US9360545B2 (en) * 2012-06-26 2016-06-07 Siemens Aktiengesellschaft Magnetic resonance system and operating method for flow artifact reduction in slab selective space imaging
US9541513B2 (en) * 2013-01-03 2017-01-10 Schlumberger Technology Corporation Method for nuclear magnetic resonance diffusion measurements
US10228335B2 (en) 2013-01-03 2019-03-12 Schlumberger Technology Corporation Method for nuclear magnetic resonance diffusion measurements
CN103932707B (zh) * 2013-01-21 2015-07-22 上海联影医疗科技有限公司 一种相位反差磁共振流速、流量测量方法及其测量装置
CN104062611B (zh) * 2013-03-22 2017-02-15 西门子(深圳)磁共振有限公司 一种磁共振系统的射频激发方法和装置
JP6433679B2 (ja) * 2014-05-02 2018-12-05 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
FR3034946B1 (fr) * 2015-04-10 2017-04-28 Sagem Defense Securite Procede de communication dans un reseau ad hoc

Family Cites Families (27)

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JPH04309330A (ja) * 1991-04-08 1992-10-30 Siemens Asahi Medeitetsuku Kk 核磁気共鳴撮像装置
JPH05253201A (ja) * 1992-03-13 1993-10-05 Yokogawa Medical Syst Ltd Ｍｒｉ装置のイメージング方法
US5281916A (en) * 1992-07-29 1994-01-25 General Electric Company NMR angiography using fast spin echo pulse sequences
US5285158A (en) * 1992-08-06 1994-02-08 Wisconsin Alumni Research Foundation NMR angiography using fast pulse sequences with preparatory pulses
JP3505294B2 (ja) * 1995-03-28 2004-03-08 ジーイー横河メディカルシステム株式会社 Ｍｒｉ装置
US5786692A (en) * 1995-08-18 1998-07-28 Brigham And Women's Hospital, Inc. Line scan diffusion imaging
US5548216A (en) * 1995-11-15 1996-08-20 General Electric Company Methods for the simultaneous detection of multiple magnetic resonance images using phase modulated excitation
US6078176A (en) * 1996-11-08 2000-06-20 General Electric Company Fast spin echo pulse sequence for diffusion weighted imaging
US6008647A (en) * 1997-02-11 1999-12-28 General Electric Company Method for reducing Maxwell term artifacts in fast spin echo MR images
JP4040742B2 (ja) * 1997-03-28 2008-01-30 株式会社東芝 Ｍｒｉ装置
US5899858A (en) * 1997-04-10 1999-05-04 Mayo Foundation For Medical Education And Research MR imaging with enhanced sensitivity of specific spin motion
US7254437B2 (en) * 1998-04-17 2007-08-07 Kabushiki Kaisha Toshiba MR imaging providing tissue/blood contrast image
US6782286B2 (en) * 1998-04-20 2004-08-24 Kabushiki Kaisha Toshiba MRI system and MR imaging method
JP4090619B2 (ja) * 1998-04-20 2008-05-28 株式会社東芝 Ｍｒｉ装置
JP2002530132A (ja) 1998-11-18 2002-09-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 磁気共鳴装置及び方法
WO2000029864A1 (en) * 1998-11-18 2000-05-25 Koninklijke Philips Electronics N.V. Magnetic resonance method and device
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JP3342853B2 (ja) * 1999-08-27 2002-11-11 ジーイー横河メディカルシステム株式会社 磁気共鳴撮像装置
JP4632535B2 (ja) 2000-12-27 2011-02-16 株式会社東芝 Ｍｒｉ装置
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US6614225B1 (en) * 1999-12-03 2003-09-02 David Feinberg Simultaneous image refocusing
US6486668B1 (en) 2000-11-20 2002-11-26 Ge Medical Systems Global Technology Company, Llc Preparatory pulse sequence for suppression of artifacts in MR images
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JP4342809B2 (ja) * 2003-02-14 2009-10-14 株式会社東芝 Ｍｒｉ装置
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Also Published As

Publication number Publication date
JP5022696B2 (ja) 2012-09-12
NL1034839C2 (nl) 2009-03-30
US20080150530A1 (en) 2008-06-26
CN101204327A (zh) 2008-06-25
KR20080059063A (ko) 2008-06-26
JP2008154741A (ja) 2008-07-10
DE102007061565A1 (de) 2008-06-26
DE102007061565B4 (de) 2013-06-06
CN101204327B (zh) 2011-10-05
KR101450885B1 (ko) 2014-10-14
US7541809B2 (en) 2009-06-02

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RD2N Patents in respect of which a decision has been taken or a report has been made (novelty report)

Effective date: 20090127

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MM Lapsed because of non-payment of the annual fee

Effective date: 20170101