CN104011557B - 用于校正mr成像中的主磁场b0的磁场不均匀性的mr设备 - Google Patents

用于校正mr成像中的主磁场b0的磁场不均匀性的mr设备 Download PDF

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Publication number
CN104011557B
CN104011557B CN201280064093.3A CN201280064093A CN104011557B CN 104011557 B CN104011557 B CN 104011557B CN 201280064093 A CN201280064093 A CN 201280064093A CN 104011557 B CN104011557 B CN 104011557B
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coil
magnetic field
gradient
section
amplifier
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Expired - Fee Related
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CN201280064093.3A
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Chinese (zh)
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CN104011557A (zh
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C·L·G·哈姆
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Koninklijke Philips NV
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Koninklijke Philips NV
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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
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
    • 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
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201280064093.3A 2011-12-23 2012-12-11 用于校正mr成像中的主磁场b0的磁场不均匀性的mr设备 Expired - Fee Related CN104011557B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161579739P 2011-12-23 2011-12-23
US61/579,739 2011-12-23
PCT/IB2012/057166 WO2013093710A1 (en) 2011-12-23 2012-12-11 Use of gradient coils for correcting higher order bo field inhomogeneities in mr imaging

Publications (2)

Publication Number Publication Date
CN104011557A CN104011557A (zh) 2014-08-27
CN104011557B true CN104011557B (zh) 2017-04-05

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CN201280064093.3A Expired - Fee Related CN104011557B (zh) 2011-12-23 2012-12-11 用于校正mr成像中的主磁场b0的磁场不均匀性的mr设备

Country Status (8)

Country Link
US (1) US9846210B2 (enExample)
JP (1) JP6072825B2 (enExample)
CN (1) CN104011557B (enExample)
BR (1) BR112014015024A2 (enExample)
DE (1) DE112012005359T5 (enExample)
IN (1) IN2014CN05016A (enExample)
RU (1) RU2614648C2 (enExample)
WO (1) WO2013093710A1 (enExample)

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JP5931406B2 (ja) * 2011-11-09 2016-06-08 株式会社東芝 磁気共鳴イメージング装置
WO2016162734A1 (en) * 2015-04-10 2016-10-13 Synaptive Medical (Barbados) Inc. Shimming coils for magnetic resonance imaging
DE102015222114A1 (de) 2015-11-10 2017-05-11 Siemens Healthcare Gmbh Verfahren zum Ansteuern einer Shimeinheit, Steuereinheit und Magnetresonanzgerät
CN105957687B (zh) * 2016-07-08 2018-09-14 中国计量科学研究院 用于产生均匀磁场的装置和方法
DE102017004349A1 (de) * 2017-05-08 2018-11-08 Tdk-Micronas Gmbh Magnetfeldkompensationseinrichtung
DE102017213026A1 (de) * 2017-07-28 2019-01-31 Siemens Healthcare Gmbh Gradientenspule zur Erzeugung eines Magnetfeldgradienten und eines Magnetfeldes höherer Ordnung
WO2021089366A1 (en) * 2019-11-04 2021-05-14 Koninklijke Philips N.V. Magnetic field (b0) artifact reduction through active shimming
CN111551883B (zh) * 2020-04-29 2022-05-20 中国科学院苏州生物医学工程技术研究所 基于阵列线圈的磁场补偿方法及设备
DE102021203257A1 (de) 2021-03-31 2022-10-06 Siemens Healthcare Gmbh Magnetresonanztomograph und Verfahren zum Betrieb eines Magnetresonanztomographen mit beschränkter Bandbreite
CN114545312B (zh) * 2022-04-22 2022-09-09 浙江浙大西投脑机智能科技有限公司 一种非线性梯度线圈及扫描方法
DE102022210218A1 (de) 2022-09-27 2024-03-28 Siemens Healthcare Gmbh Gradientenspuleneinheit mit separat ansteuerbaren Leiterstrukturpaaren

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SU1712846A1 (ru) * 1989-12-12 1992-02-15 Ленинградский Институт Точной Механики И Оптики Система круговых катушек дл создани однородного магнитного пол
US5345178A (en) 1992-04-21 1994-09-06 Siemens Aktiengesellschaft Method for setting the current through shim coils and gradient coils in a nuclear magnetic resonance apparatus
DE4333440C1 (de) 1993-09-30 1995-04-06 Siemens Ag Verfahren zur Shimmung eines Magnetfeldes in einem Untersuchungsraum eines Kernspinresonanzgerätes
JPH0866380A (ja) * 1994-08-30 1996-03-12 Toshiba Corp 磁気共鳴イメージング装置
DE4437443C2 (de) * 1994-10-19 1996-09-12 Siemens Ag Verfahren zum Betrieb eines Kernspintomographiegerätes mit dynamisch lokalisierter Shimmung des Grundmagnetfeldes
DE19511791C1 (de) 1995-03-30 1996-08-22 Siemens Ag Verfahren zur Shimmung eines Magnetsystems eines Kernspintomographen und Vorrichtung zur Durchführung des Verfahrens
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JP3556052B2 (ja) 1995-07-27 2004-08-18 株式会社東芝 磁気共鳴イメージング装置
US5701075A (en) * 1996-01-04 1997-12-23 General Electric Company Magnetic resonance imaging shimming by superconducting gradient shield
JP3074154B2 (ja) * 1997-09-22 2000-08-07 技術研究組合医療福祉機器研究所 磁気共鳴測定装置
US6064208A (en) 1998-04-02 2000-05-16 Picker International, Inc. Two-peak alignment method of field shimming
JP2000189396A (ja) * 1998-12-28 2000-07-11 Toshiba Corp 静磁場補正用シムコイル装置
DE19954925C2 (de) 1999-11-16 2001-10-04 Bruker Medical Gmbh Verfahren zum Korrigieren von Feldinhomogenitäten höherer Ordnung in einer Apparatur der magnetischen Resonanz
JP3847079B2 (ja) * 2000-11-21 2006-11-15 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
US6342787B1 (en) * 2000-11-22 2002-01-29 Philips Medical Systems (Cleveland) Real-time multi-axis gradient distortion correction using an interactive shim set
JP2002291716A (ja) * 2001-03-30 2002-10-08 Hitachi Medical Corp 高次エンコーデイング傾斜磁場コイルを備えた磁気共鳴イメージング装置
US6933724B2 (en) 2003-11-21 2005-08-23 General Electric Company Matrix coil for generating a variable magnetic field
US20070279060A1 (en) * 2004-03-17 2007-12-06 Koninklijke Philips Electronics N.V. Dynamic Shimset Calibration for Bo Offset
US20080164878A1 (en) * 2005-03-17 2008-07-10 Koninklijke Philips Electronics N. V. Minimum Energy Shim Coils For Magnetic Resonance
BRPI0809689B1 (pt) * 2007-04-04 2019-03-19 Koninklijke Philips N.V. Bobina de gradiente de campo magnético, escâner por ressonância magnética, e, escâner híbrido
DE102008018265B4 (de) * 2008-04-10 2011-12-08 MRB Forschungszentrum für Magnet - Resonanz - Bayern e.V. Gradientensystem, Kernspinresonanzapparatur, Verfahren zum Erzeu-gen eines bestimmten Gradientenfelds und Computer-Programm
DE102008020107B4 (de) * 2008-04-22 2011-08-25 Bruker BioSpin GmbH, 76287 Kompakte supraleitende Magnetanordnung mit aktiver Abschirmung, wobei die Abschirmspule zur Feldformung eingesetzt wird
US9182465B2 (en) * 2011-03-04 2015-11-10 Siemens Aktiengesellschaft MRT gradient system with integrated main magnetic field generation
US8981779B2 (en) * 2011-12-13 2015-03-17 Viewray Incorporated Active resistive shimming fro MRI devices

Also Published As

Publication number Publication date
JP6072825B2 (ja) 2017-02-01
US20140333306A1 (en) 2014-11-13
US9846210B2 (en) 2017-12-19
JP2015500725A (ja) 2015-01-08
IN2014CN05016A (enExample) 2015-09-18
RU2014130247A (ru) 2016-02-10
WO2013093710A1 (en) 2013-06-27
CN104011557A (zh) 2014-08-27
RU2614648C2 (ru) 2017-03-28
DE112012005359T5 (de) 2014-10-02
BR112014015024A2 (pt) 2017-06-13

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