JP6072825B2 - Ｍｒ画像法において高次のｂｏ場の不均一性を補正するための傾斜磁場コイルの使用 - Google Patents

Ｍｒ画像法において高次のｂｏ場の不均一性を補正するための傾斜磁場コイルの使用 Download PDF

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JP6072825B2
JP6072825B2 JP2014548272A JP2014548272A JP6072825B2 JP 6072825 B2 JP6072825 B2 JP 6072825B2 JP 2014548272 A JP2014548272 A JP 2014548272A JP 2014548272 A JP2014548272 A JP 2014548272A JP 6072825 B2 JP6072825 B2 JP 6072825B2
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coil
gradient
magnetic field
current
coil section
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JP2015500725A (ja
JP2015500725A5 (enExample
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コーネリス レオナルダス ジェラルダス ハム
コーネリス レオナルダス ジェラルダス ハム
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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)
JP2014548272A 2011-12-23 2012-12-11 Ｍｒ画像法において高次のｂｏ場の不均一性を補正するための傾斜磁場コイルの使用 Expired - Fee Related JP6072825B2 (ja)

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

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JP2015500725A JP2015500725A (ja) 2015-01-08
JP2015500725A5 JP2015500725A5 (enExample) 2016-02-04
JP6072825B2 true JP6072825B2 (ja) 2017-02-01

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JP2014548272A Expired - Fee Related JP6072825B2 (ja) 2011-12-23 2012-12-11 Ｍｒ画像法において高次のｂｏ場の不均一性を補正するための傾斜磁場コイルの使用

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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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CN107533119B (zh) 2015-04-10 2020-07-28 圣纳普医疗(巴巴多斯)公司 用于磁共振成像的匀场线圈
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
CN114868030B (zh) * 2019-11-04 2025-08-12 皇家飞利浦有限公司 通过有源匀场减少磁场(b0)伪影
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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SU1543317A1 (ru) * 1987-06-23 1990-02-15 Всесоюзный научно-исследовательский проектно-конструкторский и технологический институт кабельной промышленности Способ томографии на основе дерного магнитного резонанса
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
DE19511832C2 (de) 1995-03-30 1997-01-30 Siemens Ag Verfahren und Vorrichtung zur Gradientenstromversorgung für ein Kernspintomographiegerät
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
WO2005091012A1 (en) * 2004-03-17 2005-09-29 Koninklijke Philips Electronics N.V. Dynamic shimset calibration for b0 offset
US20080164878A1 (en) * 2005-03-17 2008-07-10 Koninklijke Philips Electronics N. V. Minimum Energy Shim Coils For Magnetic Resonance
CN101688908B (zh) * 2007-04-04 2014-02-12 皇家飞利浦电子股份有限公司 分离式梯度线圈及使用该梯度线圈的pet/mri混合系统
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

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Publication number Publication date
DE112012005359T5 (de) 2014-10-02
CN104011557B (zh) 2017-04-05
US20140333306A1 (en) 2014-11-13
WO2013093710A1 (en) 2013-06-27
JP2015500725A (ja) 2015-01-08
US9846210B2 (en) 2017-12-19
RU2614648C2 (ru) 2017-03-28
RU2014130247A (ru) 2016-02-10
IN2014CN05016A (enExample) 2015-09-18
CN104011557A (zh) 2014-08-27
BR112014015024A2 (pt) 2017-06-13

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