CN109642932B - 用于磁共振检查系统的主动屏蔽梯度线圈组件 - Google Patents

用于磁共振检查系统的主动屏蔽梯度线圈组件 Download PDF

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CN109642932B
CN109642932B CN201780049810.8A CN201780049810A CN109642932B CN 109642932 B CN109642932 B CN 109642932B CN 201780049810 A CN201780049810 A CN 201780049810A CN 109642932 B CN109642932 B CN 109642932B
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shield
gradient
main
windings
gradient coil
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CN109642932A (zh
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J·A·奥弗韦格
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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)
CN201780049810.8A 2016-08-15 2017-08-15 用于磁共振检查系统的主动屏蔽梯度线圈组件 Active CN109642932B (zh)

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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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CN109642932A CN109642932A (zh) 2019-04-16
CN109642932B true CN109642932B (zh) 2021-10-15

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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)

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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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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
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US10634745B2 (en) * 2016-08-15 2020-04-28 Koninklijke Philips N.V. Actively shielded gradient coil assembly for a magnetic resonance examination system

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US5638595A (en) * 1995-11-09 1997-06-17 General Electric Company Method for fabricating open MR magnet gradient coil
CN101501528A (zh) * 2005-11-03 2009-08-05 阿斯派克磁体有限公司 围绕磁共振装置的自紧固笼及其方法
CN101688908A (zh) * 2007-04-04 2010-03-31 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
CN102232193A (zh) * 2008-12-04 2011-11-02 皇家飞利浦电子股份有限公司 具有卫星梯度线圈的磁共振成像系统
CN105308472A (zh) * 2013-06-17 2016-02-03 皇家飞利浦有限公司 磁共振成像梯度线圈
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
US10634745B2 (en) * 2016-08-15 2020-04-28 Koninklijke Philips N.V. Actively shielded gradient coil assembly for a magnetic resonance examination system

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JP7050753B2 (ja) 2022-04-08
JP7050753B6 (ja) 2022-06-01
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
US10634745B2 (en) 2020-04-28
US20190187229A1 (en) 2019-06-20

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