BR112015030996B1 - Conjunto de eletroímãs para um sistema de imageamento por ressonância magnética, sistema de imageamento por ressonância magnética e método para projetar uma bobina de gradiente de campo magnético - Google Patents

Conjunto de eletroímãs para um sistema de imageamento por ressonância magnética, sistema de imageamento por ressonância magnética e método para projetar uma bobina de gradiente de campo magnético Download PDF

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BR112015030996B1
BR112015030996B1 BR112015030996-8A BR112015030996A BR112015030996B1 BR 112015030996 B1 BR112015030996 B1 BR 112015030996B1 BR 112015030996 A BR112015030996 A BR 112015030996A BR 112015030996 B1 BR112015030996 B1 BR 112015030996B1
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magnetic field
gradient coil
electromagnet
field
coil
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BR112015030996-8A
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Portuguese (pt)
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BR112015030996A2 (enExample
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Johannes Adrianus Overweg
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Koninklijke Philips N.V.
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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)
BR112015030996-8A 2013-06-17 2014-06-16 Conjunto de eletroímãs para um sistema de imageamento por ressonância magnética, sistema de imageamento por ressonância magnética e método para projetar uma bobina de gradiente de campo magnético BR112015030996B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13172199.5 2013-06-17
EP13172199 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
BR112015030996A2 BR112015030996A2 (enExample) 2017-07-25
BR112015030996B1 true BR112015030996B1 (pt) 2022-05-10

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BR112015030996-8A BR112015030996B1 (pt) 2013-06-17 2014-06-16 Conjunto de eletroímãs para um sistema de imageamento por ressonância magnética, sistema de imageamento por ressonância magnética e método para projetar uma bobina de gradiente de campo magnético

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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)

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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
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
EP3497459B1 (en) * 2016-08-15 2024-11-20 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
CN110824397B (zh) * 2016-12-26 2020-09-08 中国科学院长春光学精密机械与物理研究所 一种用于磁共振成像系统的非缠绕形式梯度线圈的设计方法
GB201719876D0 (en) 2017-11-29 2018-01-10 Creavo Medical Tech Limited Magnetometer for medical use
DE102018206643A1 (de) * 2018-04-27 2019-10-31 Siemens Healthcare Gmbh 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

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IL89743A0 (en) 1989-03-26 1989-09-28 Elscint Ltd Compact shielded gradient coil system
US5296810A (en) * 1992-03-27 1994-03-22 Picker International, Inc. MRI self-shielded gradient coils
US5406204A (en) 1992-03-27 1995-04-11 Picker International, Inc. Integrated MRI gradient coil and RF screen
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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
JP4551522B2 (ja) * 2000-02-07 2010-09-29 株式会社東芝 Ｍｒｉ装置
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
RU2008151408A (ru) * 2006-05-25 2010-06-27 Конинклейке Филипс Электроникс, Н.В. (Nl) Трехмерные асимметричные поперечные градиентные катушки
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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

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Publication number Publication date
EP3011355B1 (en) 2022-06-15
RU2655474C2 (ru) 2018-05-28
RU2016101066A (ru) 2017-07-24
JP6456367B2 (ja) 2019-01-23
WO2014202514A1 (en) 2014-12-24
BR112015030996A2 (enExample) 2017-07-25
JP2016523620A (ja) 2016-08-12
CN105308472A (zh) 2016-02-03
CN105308472B (zh) 2019-01-29
US20160139221A1 (en) 2016-05-19
EP3011355A1 (en) 2016-04-27
US10145914B2 (en) 2018-12-04

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