CN100504431C - 开口磁性谐振成像装置 - Google Patents

开口磁性谐振成像装置 Download PDF

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Publication number
CN100504431C
CN100504431C CNB2003101207330A CN200310120733A CN100504431C CN 100504431 C CN100504431 C CN 100504431C CN B2003101207330 A CNB2003101207330 A CN B2003101207330A CN 200310120733 A CN200310120733 A CN 200310120733A CN 100504431 C CN100504431 C CN 100504431C
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CN
China
Prior art keywords
resonance imaging
magnetic resonance
coils
imaging device
support structure
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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
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CNB2003101207330A
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English (en)
Chinese (zh)
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CN1523369A (zh
Inventor
E·拉斯卡里斯
X·黄
M·D·奥勒
M·A·帕尔莫
P·S·汤普森
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General Electric Co
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General Electric Co
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Publication date
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Publication of CN1523369A publication Critical patent/CN1523369A/zh
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Publication of CN100504431C publication Critical patent/CN100504431C/zh
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Expired - Fee Related legal-status Critical Current

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    • 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
    • G01R33/3806—Open magnet assemblies for improved access to the sample, e.g. C-type or U-type magnets
    • 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
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00—Superconducting magnets; Superconducting coils

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CNB2003101207330A 2002-11-25 2003-11-25 开口磁性谐振成像装置 Expired - Fee Related CN100504431C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/065848 2002-11-25
US10/065,848 US7242191B2 (en) 2002-11-25 2002-11-25 Cold mass support structure and helium vessel of actively shielded high field open MRI magnets

Publications (2)

Publication Number Publication Date
CN1523369A CN1523369A (zh) 2004-08-25
CN100504431C true CN100504431C (zh) 2009-06-24

Family

ID=29778430

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2003101207330A Expired - Fee Related CN100504431C (zh) 2002-11-25 2003-11-25 开口磁性谐振成像装置

Country Status (6)

Country Link
US (1) US7242191B2 (https=)
JP (1) JP2004174243A (https=)
CN (1) CN100504431C (https=)
DE (1) DE10352647A1 (https=)
GB (1) GB2397381B (https=)
NL (1) NL1024853C2 (https=)

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JP4749699B2 (ja) * 2004-11-17 2011-08-17 株式会社日立メディコ 磁気共鳴イメージング装置
JP4705528B2 (ja) * 2006-01-05 2011-06-22 株式会社日立製作所 超伝導磁石装置および磁気共鳴イメージング装置
JP4856430B2 (ja) * 2006-01-23 2012-01-18 株式会社日立製作所 電磁石装置
US7375526B2 (en) * 2006-10-20 2008-05-20 Edelstein William A Active-passive electromagnetic shielding to reduce MRI acoustic noise
JP4921935B2 (ja) * 2006-11-22 2012-04-25 株式会社日立製作所 電磁石装置及び磁気共鳴撮像装置
US20100219833A1 (en) * 2007-07-26 2010-09-02 Emscan Limited Magnet assembly
DE102008053845B4 (de) * 2008-10-30 2011-01-20 Siemens Aktiengesellschaft Profilrahmenstruktur für eine Magnetresonanzeinrichtung
US7924010B2 (en) * 2009-03-25 2011-04-12 General Electric Company Apparatus for supporting and method for forming a support for a magnetic resonance imaging (MRI) magnet
JP5111691B1 (ja) * 2012-04-20 2013-01-09 三菱電機株式会社 超電導マグネットおよびその調整方法
GB2521470B (en) * 2013-12-20 2015-11-11 Siemens Plc Support structure for cylindrical superconducting coil structure

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Also Published As

Publication number Publication date
CN1523369A (zh) 2004-08-25
GB0326962D0 (en) 2003-12-24
DE10352647A1 (de) 2004-06-03
JP2004174243A (ja) 2004-06-24
GB2397381B (en) 2007-06-27
US20040100261A1 (en) 2004-05-27
NL1024853C2 (nl) 2005-01-04
NL1024853A1 (nl) 2004-05-26
US7242191B2 (en) 2007-07-10
GB2397381A (en) 2004-07-21

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Granted publication date: 20090624

Termination date: 20171125