JP7050753B6 - 磁気共鳴検査システム用の能動シールド勾配コイルアセンブリ - Google Patents

磁気共鳴検査システム用の能動シールド勾配コイルアセンブリ Download PDF

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JP7050753B6
JP7050753B6 JP2019507945A JP2019507945A JP7050753B6 JP 7050753 B6 JP7050753 B6 JP 7050753B6 JP 2019507945 A JP2019507945 A JP 2019507945A JP 2019507945 A JP2019507945 A JP 2019507945A JP 7050753 B6 JP7050753 B6 JP 7050753B6
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winding
shield
gradient
gradient coil
coil assembly
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JP7050753B2 (ja
JP2019531112A5 (enExample
JP2019531112A (ja
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ヨハネス アドリアヌス オフェルウェフ
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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
    • G01R33/42—Screening
    • G01R33/421—Screening of main or gradient magnetic field
    • G01R33/4215—Screening of main or gradient magnetic field of the gradient magnetic field, e.g. using passive or active shielding of the gradient magnetic field
    • 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)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2019507945A 2016-08-15 2017-08-15 磁気共鳴検査システム用の能動シールド勾配コイルアセンブリ Active JP7050753B6 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16184173 2016-08-15
EP16184173.9 2016-08-15
PCT/EP2017/070693 WO2018033548A1 (en) 2016-08-15 2017-08-15 Actively shielded gradient coil assembly for a magnetic resonance examination system

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JP2019531112A JP2019531112A (ja) 2019-10-31
JP2019531112A5 JP2019531112A5 (enExample) 2020-09-10
JP7050753B2 JP7050753B2 (ja) 2022-04-08
JP7050753B6 true JP7050753B6 (ja) 2022-06-01

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JP2019507945A Active JP7050753B6 (ja) 2016-08-15 2017-08-15 磁気共鳴検査システム用の能動シールド勾配コイルアセンブリ

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US (1) US10634745B2 (enExample)
EP (1) EP3497459B1 (enExample)
JP (1) JP7050753B6 (enExample)
CN (1) CN109642932B (enExample)
WO (1) WO2018033548A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018033548A1 (en) * 2016-08-15 2018-02-22 Koninklijke Philips N.V. Actively shielded gradient coil assembly for a magnetic resonance examination system
WO2020118352A1 (en) * 2018-12-13 2020-06-18 Magnetica Limited Gradient coil system
CN110780245B (zh) * 2019-11-29 2021-04-27 中国科学院电工研究所 用于平面超导磁共振系统的屏蔽梯度线圈设计方法及其梯度线圈
CN116413647A (zh) * 2022-01-05 2023-07-11 安徽华米健康科技有限公司 梯度线圈和磁共振成像系统
EP4365616A1 (en) 2022-11-03 2024-05-08 Koninklijke Philips N.V. Coil assembly for a magnetic resonance examination system comprising an unshielded gradient coil

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JP2012510846A (ja) 2008-12-04 2012-05-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ サテライト傾斜コイルを持つ磁気共鳴撮像システム
US20120176137A1 (en) 2009-09-30 2012-07-12 Hitachi Medical Corporation Gradient magnetic field coil and magnetic resonance imaging device

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DE4422782C2 (de) * 1994-06-29 1998-02-19 Siemens Ag Aktiv geschirmte transversale Gradientenspule für Kernspintomographiegeräte
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JP2004509721A (ja) * 2000-09-26 2004-04-02 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 主磁石中に配置された円錐傾斜コイルを有する垂直磁場型ｍｒｉ装置
US6983181B2 (en) * 2002-05-01 2006-01-03 General Electric Company Spatial encoding MR data of a moving subject using a higher-order gradient field
DE102004002919B4 (de) 2004-01-20 2006-01-12 Siemens Ag Gradientenspulensystem und Verfahren zum Herstellen des Gradientenspulensystems
DE102004005278B4 (de) * 2004-02-03 2008-09-11 Siemens Ag Verfahren zur Herstellung transversaler nichtzylindrischer Gradientenspulen mit zumindest einem divergenten Abschnitt
WO2005124381A2 (en) 2004-06-17 2005-12-29 Koninklijke Philips Electronics, N.V. Magnetic resonance imaging system with iron-assisted magnetic field gradient system
EP1820445A4 (en) 2004-11-29 2010-06-23 Hitachi Medical Corp MAGNETIC RESONANCE IMAGING DEVICE
US7400147B2 (en) * 2005-11-03 2008-07-15 Uri Rapoport Self-fastening cage surrounding a magnetic resonance device and methods thereof
JP5278903B2 (ja) * 2006-04-14 2013-09-04 株式会社日立メディコ 磁気共鳴イメージング装置及び傾斜磁場コイル
DE102007008122B4 (de) 2007-02-19 2014-01-09 Siemens Aktiengesellschaft Anordnung zur Kühlung einer Gradientenspule
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
GB2467596B (en) 2009-02-10 2011-01-12 Siemens Magnet Technology Ltd A thermal radiation shield, a cryostat containing a cooled magnet and an MRI system comprising a radiation shield
GB2483889A (en) * 2010-09-22 2012-03-28 Tesla Engineering Ltd Gradient coil sub assemblies
CN105308472B (zh) * 2013-06-17 2019-01-29 皇家飞利浦有限公司 磁共振成像梯度线圈
DE102013225274A1 (de) * 2013-12-09 2015-06-11 Albert-Ludwigs-Universität Freiburg Gradientensystem für die Magnetresonanzbildgebung
JP6366940B2 (ja) 2014-01-09 2018-08-01 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置
CN204649947U (zh) * 2015-06-10 2015-09-16 武汉中科波谱技术有限公司 一种核磁共振波谱仪梯度线圈
WO2018033530A1 (en) 2016-08-15 2018-02-22 Koninklijke Philips N.V. Magnet system with thermal radiation screen
WO2018033548A1 (en) * 2016-08-15 2018-02-22 Koninklijke Philips N.V. Actively shielded gradient coil assembly for a magnetic resonance examination system

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
JP2012510846A (ja) 2008-12-04 2012-05-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ サテライト傾斜コイルを持つ磁気共鳴撮像システム
US20120176137A1 (en) 2009-09-30 2012-07-12 Hitachi Medical Corporation Gradient magnetic field coil and magnetic resonance imaging device
JP2012034807A (ja) 2010-08-06 2012-02-23 Hitachi Medical Corp 傾斜磁場コイル、及び、磁気共鳴イメージング装置

Also Published As

Publication number Publication date
JP7050753B2 (ja) 2022-04-08
CN109642932A (zh) 2019-04-16
EP3497459B1 (en) 2024-11-20
EP3497459A1 (en) 2019-06-19
WO2018033548A1 (en) 2018-02-22
JP2019531112A (ja) 2019-10-31
CN109642932B (zh) 2021-10-15
US10634745B2 (en) 2020-04-28
US20190187229A1 (en) 2019-06-20

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