CN105308472B - 磁共振成像梯度线圈 - Google Patents

磁共振成像梯度线圈 Download PDF

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Publication number
CN105308472B
CN105308472B CN201480034497.7A CN201480034497A CN105308472B CN 105308472 B CN105308472 B CN 105308472B CN 201480034497 A CN201480034497 A CN 201480034497A CN 105308472 B CN105308472 B CN 105308472B
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magnetic
gradient coil
field
coil
magnet
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CN105308472A (zh
Inventor
J·A·奥弗韦格
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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
    • G01R33/42—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
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Geometry (AREA)
  • General Engineering & Computer Science (AREA)
  • Evolutionary Computation (AREA)
  • Computer Hardware Design (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Architecture (AREA)
  • Software Systems (AREA)
CN201480034497.7A 2013-06-17 2014-06-16 磁共振成像梯度线圈 Active CN105308472B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13172199 2013-06-17
EP13172199.5 2013-06-17
PCT/EP2014/062528 WO2014202514A1 (en) 2013-06-17 2014-06-16 Magnetic resonance imaging gradient coil

Publications (2)

Publication Number Publication Date
CN105308472A CN105308472A (zh) 2016-02-03
CN105308472B true CN105308472B (zh) 2019-01-29

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Family Applications (1)

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CN201480034497.7A Active CN105308472B (zh) 2013-06-17 2014-06-16 磁共振成像梯度线圈

Country Status (7)

Country Link
US (1) US10145914B2 (enExample)
EP (1) EP3011355B1 (enExample)
JP (1) JP6456367B2 (enExample)
CN (1) CN105308472B (enExample)
BR (1) BR112015030996B1 (enExample)
RU (1) RU2655474C2 (enExample)
WO (1) WO2014202514A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6456367B2 (ja) * 2013-06-17 2019-01-23 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 磁気共鳴イメージング傾斜コイル
US9778288B2 (en) * 2015-08-24 2017-10-03 Texas Instruments Incorporated Fluxgate-based current sensor
DE102015218019B4 (de) * 2015-09-18 2019-02-28 Bruker Biospin Gmbh Kryostat mit Magnetanordnung, die einen LTS-Bereich und einen HTS-Bereich umfasst
CN109073719A (zh) * 2016-04-25 2018-12-21 皇家飞利浦有限公司 磁共振辐射屏蔽和被屏蔽的主磁体
WO2018033548A1 (en) * 2016-08-15 2018-02-22 Koninklijke Philips N.V. Actively shielded gradient coil assembly for a magnetic resonance examination system
RU2649092C1 (ru) * 2016-12-14 2018-03-29 федеральное государственное бюджетное образовательное учреждение высшего образования "Алтайский государственный технический университет им. И.И. Ползунова" (АлтГТУ) Устройство для оценки эффективности экранирования электромагнитных излучений
CN106707208B (zh) * 2016-12-15 2019-04-30 重庆大学 一种用于浅层皮肤成像的低场单边核磁共振设备
CN106772162B (zh) * 2016-12-26 2020-01-14 中国科学院长春光学精密机械与物理研究所 用于磁共振成像系统的非缠绕形式梯度线圈及其设计方法
GB201719876D0 (en) 2017-11-29 2018-01-10 Creavo Medical Tech Limited Magnetometer for medical use
DE102018206643B4 (de) * 2018-04-27 2026-05-21 Siemens Healthineers Ag Gradientenspuleneinheit für ein Magnetresonanzgerät
EP3564694A1 (en) 2018-04-30 2019-11-06 Koninklijke Philips N.V. Gradient shield coil with meandering winding for a magnetic resonance imaging apparatus
US11251096B2 (en) 2018-09-05 2022-02-15 Micron Technology, Inc. Wafer registration and overlay measurement systems and related methods
US11009798B2 (en) * 2018-09-05 2021-05-18 Micron Technology, Inc. Wafer alignment markers, systems, and related methods
GB201913549D0 (en) * 2019-09-19 2019-11-06 Univ Nottingham Magnetic shield
EP4300122A1 (en) * 2022-06-29 2024-01-03 Siemens Healthcare GmbH Magnetic resonance imaging device and method for designing a shielding assembly for a magnetic resonance imaging device
DE102022210218A1 (de) 2022-09-27 2024-03-28 Siemens Healthcare Gmbh Gradientenspuleneinheit mit separat ansteuerbaren Leiterstrukturpaaren

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5296810A (en) * 1992-03-27 1994-03-22 Picker International, Inc. MRI self-shielded gradient coils
JP2001212107A (ja) * 2000-02-07 2001-08-07 Toshiba Corp Ｍｒｉ装置
CN101093248A (zh) * 2006-06-22 2007-12-26 通用电气公司 用于局部屏蔽mr超导磁线圈的方法和装置
JP2008229360A (ja) * 2008-04-21 2008-10-02 Toshiba Corp Ｍｒｉ傾斜磁場発生用コイル
CN101454686A (zh) * 2006-05-25 2009-06-10 皇家飞利浦电子股份有限公司 三维非对称横向梯度线圈

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4733189A (en) * 1986-06-03 1988-03-22 Massachusetts Institute Of Technology Magnetic resonance imaging systems
IL89743A0 (en) 1989-03-26 1989-09-28 Elscint Ltd Compact shielded gradient coil system
US5406204A (en) 1992-03-27 1995-04-11 Picker International, Inc. Integrated MRI gradient coil and RF screen
JPH07194568A (ja) * 1993-12-29 1995-08-01 Toshiba Corp 磁気共鳴映像装置
US5530354A (en) * 1994-07-29 1996-06-25 Medical Advances, Inc. Non-monotonic gradient coil system for magnetic resonance imaging
JP4461032B2 (ja) * 1996-07-31 2010-05-12 株式会社東芝 磁場発生用コイルユニット及び磁気共鳴イメージング装置
JP3670452B2 (ja) * 1996-07-31 2005-07-13 株式会社東芝 磁場発生用コイルユニットおよびコイル巻装方法
EP1354216A1 (en) 2000-12-22 2003-10-22 Koninklijke Philips Electronics N.V. Mri apparatus
US6456076B1 (en) * 2001-01-31 2002-09-24 The Trustees Of The University Of Pennsylvania Z gradient shielding coil for canceling eddy currents
JP2003164432A (ja) * 2001-11-26 2003-06-10 Ge Medical Systems Global Technology Co Llc Ｍｒｉ装置
US7932722B2 (en) * 2009-04-27 2011-04-26 General Electric Company Transversely folded gradient coil
RU2483316C1 (ru) * 2011-11-24 2013-05-27 Федеральное государственное бюджетное учреждение науки Физико-технический институт им. А.Ф. Иоффе Российской академии наук Способ оптического детектирования магнитного резонанса и устройство для его осуществления
JP6456367B2 (ja) * 2013-06-17 2019-01-23 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 磁気共鳴イメージング傾斜コイル

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5296810A (en) * 1992-03-27 1994-03-22 Picker International, Inc. MRI self-shielded gradient coils
JP2001212107A (ja) * 2000-02-07 2001-08-07 Toshiba Corp Ｍｒｉ装置
CN101454686A (zh) * 2006-05-25 2009-06-10 皇家飞利浦电子股份有限公司 三维非对称横向梯度线圈
CN101093248A (zh) * 2006-06-22 2007-12-26 通用电气公司 用于局部屏蔽mr超导磁线圈的方法和装置
US20070296414A1 (en) * 2006-06-22 2007-12-27 Xianrui Huang Method and apparatus for locally shielding mr superconducting magnet coil
JP2008229360A (ja) * 2008-04-21 2008-10-02 Toshiba Corp Ｍｒｉ傾斜磁場発生用コイル

Also Published As

Publication number Publication date
BR112015030996A2 (enExample) 2017-07-25
US10145914B2 (en) 2018-12-04
CN105308472A (zh) 2016-02-03
RU2655474C2 (ru) 2018-05-28
EP3011355B1 (en) 2022-06-15
EP3011355A1 (en) 2016-04-27
JP2016523620A (ja) 2016-08-12
US20160139221A1 (en) 2016-05-19
WO2014202514A1 (en) 2014-12-24
JP6456367B2 (ja) 2019-01-23
BR112015030996B1 (pt) 2022-05-10
RU2016101066A (ru) 2017-07-24

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