FR2838195B1 - Procede d'imagerie rapide par resonnance magnetique nucleaire - Google Patents

Procede d'imagerie rapide par resonnance magnetique nucleaire

Info

Publication number
FR2838195B1
FR2838195B1 FR0204294A FR0204294A FR2838195B1 FR 2838195 B1 FR2838195 B1 FR 2838195B1 FR 0204294 A FR0204294 A FR 0204294A FR 0204294 A FR0204294 A FR 0204294A FR 2838195 B1 FR2838195 B1 FR 2838195B1
Authority
FR
France
Prior art keywords
magnetic resonance
nuclear magnetic
imaging method
fast imaging
resonance fast
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR0204294A
Other languages
English (en)
Other versions
FR2838195A1 (fr
Inventor
Roux Patrick Le
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology 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 Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Priority to FR0204294A priority Critical patent/FR2838195B1/fr
Priority to US10/396,233 priority patent/US6965233B2/en
Publication of FR2838195A1 publication Critical patent/FR2838195A1/fr
Application granted granted Critical
Publication of FR2838195B1 publication Critical patent/FR2838195B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01R33/561—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
    • G01R33/561—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
FR0204294A 2002-04-05 2002-04-05 Procede d'imagerie rapide par resonnance magnetique nucleaire Expired - Fee Related FR2838195B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0204294A FR2838195B1 (fr) 2002-04-05 2002-04-05 Procede d'imagerie rapide par resonnance magnetique nucleaire
US10/396,233 US6965233B2 (en) 2002-04-05 2003-03-25 Method and apparatus for fast imaging by nuclear magnetic resonance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0204294A FR2838195B1 (fr) 2002-04-05 2002-04-05 Procede d'imagerie rapide par resonnance magnetique nucleaire

Publications (2)

Publication Number Publication Date
FR2838195A1 FR2838195A1 (fr) 2003-10-10
FR2838195B1 true FR2838195B1 (fr) 2005-03-18

Family

ID=28052158

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0204294A Expired - Fee Related FR2838195B1 (fr) 2002-04-05 2002-04-05 Procede d'imagerie rapide par resonnance magnetique nucleaire

Country Status (2)

Country Link
US (1) US6965233B2 (fr)
FR (1) FR2838195B1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2838195B1 (fr) * 2002-04-05 2005-03-18 Ge Med Sys Global Tech Co Llc Procede d'imagerie rapide par resonnance magnetique nucleaire
DE102005033989B4 (de) * 2005-07-21 2008-07-10 Bruker Biospin Ag Kernspinresonanzapparatur mit Gradientenabschirmanordnung mit reduzierter Kopplung zum Resonatorsystem
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
DE102010038775B4 (de) * 2010-08-02 2012-10-31 Siemens Aktiengesellschaft Dynamische Phasenkorrektur bei einem Mehrkanal-HF-Sendemodul
DE102011006577B4 (de) 2011-03-31 2013-01-31 Siemens Aktiengesellschaft Erzeugung von ortsaufgelösten quasi T2-gewichteten Magnetresonanzsignalen unter Verwendung von bSSFP-Sequenzen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3414634A1 (de) 1984-04-18 1985-10-24 Bruker Medizintechnik Gmbh, 7512 Rheinstetten Verfahren zum anregen einer probe fuer die nmr-tomographie
DE19520203C1 (de) * 1995-06-01 1996-11-21 Siemens Ag Verfahren zur Vermeidung von Bildabschattungen bei Kernspintomographiegeräten, die mit Multiechosequenzen betrieben werden
US6008647A (en) * 1997-02-11 1999-12-28 General Electric Company Method for reducing Maxwell term artifacts in fast spin echo MR images
US6011392A (en) * 1997-04-10 2000-01-04 General Electric Company Method for reducing Maxwell term artifacts in fast spin echo MR images
JP3028220B2 (ja) * 1998-05-21 2000-04-04 ジーイー横河メディカルシステム株式会社 Ｍｒｉ装置
US6265873B1 (en) * 1999-03-17 2001-07-24 Ge Medical Systems Global Technology Company, Llc Non-CPMG fast spin echo MRI method
FR2838195B1 (fr) * 2002-04-05 2005-03-18 Ge Med Sys Global Tech Co Llc Procede d'imagerie rapide par resonnance magnetique nucleaire

Also Published As

Publication number Publication date
US20030189425A1 (en) 2003-10-09
US6965233B2 (en) 2005-11-15
FR2838195A1 (fr) 2003-10-10

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20141231