DE602004010686D1 - Verfahren zur überwachung eines magnetfelddriftens einer magnetresonanzabbildungsvorrichtung - Google Patents

Verfahren zur überwachung eines magnetfelddriftens einer magnetresonanzabbildungsvorrichtung

Info

Publication number
DE602004010686D1
DE602004010686D1 DE602004010686T DE602004010686T DE602004010686D1 DE 602004010686 D1 DE602004010686 D1 DE 602004010686D1 DE 602004010686 T DE602004010686 T DE 602004010686T DE 602004010686 T DE602004010686 T DE 602004010686T DE 602004010686 D1 DE602004010686 D1 DE 602004010686D1
Authority
DE
Germany
Prior art keywords
magnetic resonance
magnetic field
imaging apparatus
magnetic
monitoring
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
DE602004010686T
Other languages
English (en)
Other versions
DE602004010686T2 (de
Inventor
Paul R Harvey
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602004010686D1 publication Critical patent/DE602004010686D1/de
Application granted granted Critical
Publication of DE602004010686T2 publication Critical patent/DE602004010686T2/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/389—Field stabilisation, e.g. by field measurements and control means or indirectly by current stabilisation
DE602004010686T 2003-09-16 2004-08-27 Verfahren zur Überwachung eines Magnetfelddriftens einer Magnetresonanzbildgebungsvorrichtung Expired - Fee Related DE602004010686T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03103404 2003-09-16
EP03103404 2003-09-16
PCT/IB2004/051583 WO2005026764A1 (en) 2003-09-16 2004-08-27 A method of monitoring a magnetic field drift of a magnetic resonance imaging apparatus

Publications (2)

Publication Number Publication Date
DE602004010686D1 true DE602004010686D1 (de) 2008-01-24
DE602004010686T2 DE602004010686T2 (de) 2009-01-02

Family

ID=34306946

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004010686T Expired - Fee Related DE602004010686T2 (de) 2003-09-16 2004-08-27 Verfahren zur Überwachung eines Magnetfelddriftens einer Magnetresonanzbildgebungsvorrichtung

Country Status (6)

Country Link
US (1) US7274190B2 (de)
EP (1) EP1664821B1 (de)
JP (1) JP2007505671A (de)
AT (1) ATE381027T1 (de)
DE (1) DE602004010686T2 (de)
WO (1) WO2005026764A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE381027T1 (de) * 2003-09-16 2007-12-15 Koninkl Philips Electronics Nv Verfahren zur überwachung eines magnetfelddriftens einer magnetresonanzabbildungsvorrichtung
DE102008014060B4 (de) * 2008-03-13 2010-06-17 Siemens Aktiengesellschaft Verfahren zur Bestimmung einer Phasenlage einer Magnetisierung und Magnetresonanzanlage
JP5925486B2 (ja) * 2011-12-27 2016-05-25 株式会社東芝 磁気共鳴イメージング装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2585278B2 (ja) * 1987-07-22 1997-02-26 株式会社日立製作所 核磁気共鳴を用いた検査装置
US4970457A (en) * 1989-04-05 1990-11-13 The Regents Of The University Of California MRI compensated for spurious rapid variations in static magnetic field during a single MRI sequence
DE19616403C2 (de) * 1996-04-24 2002-06-13 Siemens Ag Verfahren zur Ermittlung des zeitlichen Verlaufs des Grundfelds eines Kernspintomographiegerätes unter geschalteten Gradienten
WO2000054069A1 (en) 1999-03-10 2000-09-14 Koninklijke Philips Electronics N.V. Method of and device for the compensation of variations of the main magnetic field during magnetic resonance imaging
US6294913B1 (en) * 1999-11-22 2001-09-25 Ge Medical Systems Global Technology Company Llc Compensation of variations in polarizing magnetic field during magnetic resonance imaging
JP3513076B2 (ja) 2000-04-07 2004-03-31 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
DE10032345C2 (de) 2000-07-04 2002-05-29 Bruker Medical Gmbh Verfahren zum Korrigieren von Störeinflüssen auf die MR-Signale einer im Messvolumen einer MR-Apparatur angeordneten Substanz sowie MR-Apparatur zur Durchführung des Verfahrens und Rechnereinheit
JP3976479B2 (ja) 2000-07-05 2007-09-19 株式会社日立メディコ 磁気共鳴イメージング装置における磁場変動を低減させる方法及び装置
US6507190B1 (en) 2000-08-01 2003-01-14 Ge Medical Systems Global Technologies Company Llc Method and apparatus for compensating polarizing fields in magnetic resonance imaging
JP2003061927A (ja) 2001-08-14 2003-03-04 Ge Medical Systems Global Technology Co Llc 磁気共鳴撮影装置
ATE381027T1 (de) * 2003-09-16 2007-12-15 Koninkl Philips Electronics Nv Verfahren zur überwachung eines magnetfelddriftens einer magnetresonanzabbildungsvorrichtung

Also Published As

Publication number Publication date
WO2005026764A1 (en) 2005-03-24
US20070024282A1 (en) 2007-02-01
JP2007505671A (ja) 2007-03-15
US7274190B2 (en) 2007-09-25
EP1664821A1 (de) 2006-06-07
DE602004010686T2 (de) 2009-01-02
EP1664821B1 (de) 2007-12-12
ATE381027T1 (de) 2007-12-15

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Legal Events

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8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee