CN101093248B - 用于局部屏蔽mr超导磁线圈的方法和装置 - Google Patents

用于局部屏蔽mr超导磁线圈的方法和装置 Download PDF

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Publication number
CN101093248B
CN101093248B CN2007101262209A CN200710126220A CN101093248B CN 101093248 B CN101093248 B CN 101093248B CN 2007101262209 A CN2007101262209 A CN 2007101262209A CN 200710126220 A CN200710126220 A CN 200710126220A CN 101093248 B CN101093248 B CN 101093248B
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CN
China
Prior art keywords
gradient
arc
coil
superconducting
superconducting magnet
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Expired - Fee Related
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CN2007101262209A
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English (en)
Chinese (zh)
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CN101093248A (zh
Inventor
黄先锐
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General Electric Co
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General Electric Co
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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
    • G01R33/381—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
    • G01R33/42—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
    • G01R33/3856—Means for cooling the gradient coils or thermal shielding of the gradient coils

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN2007101262209A 2006-06-22 2007-06-22 用于局部屏蔽mr超导磁线圈的方法和装置 Expired - Fee Related CN101093248B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/425860 2006-06-22
US11/425,860 US7352183B2 (en) 2006-06-22 2006-06-22 Method and apparatus for locally shielding MR superconducting magnet coil

Publications (2)

Publication Number Publication Date
CN101093248A CN101093248A (zh) 2007-12-26
CN101093248B true CN101093248B (zh) 2012-09-05

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Family Applications (1)

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CN2007101262209A Expired - Fee Related CN101093248B (zh) 2006-06-22 2007-06-22 用于局部屏蔽mr超导磁线圈的方法和装置

Country Status (5)

Country Link
US (1) US7352183B2 (enExample)
JP (1) JP5068586B2 (enExample)
CN (1) CN101093248B (enExample)
DE (1) DE102007028833A1 (enExample)
NL (1) NL1033935C2 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7477055B1 (en) * 2007-08-21 2009-01-13 General Electric Company Apparatus and method for coupling coils in a superconducting magnet
DE102012203331B4 (de) * 2012-03-02 2015-08-27 Siemens Aktiengesellschaft Lokalschirm und Verfahren zur Abschirmung von Magnetresonanzsignalen
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
WO2017021765A1 (en) * 2015-08-06 2017-02-09 Synaptive Medical (Barbados) Inc. Local active gradient shielding
CN106291421B (zh) * 2016-09-23 2023-06-30 山东大学 适用于台阶法施工中核磁共振超前地质预报的发射线圈
EP3564694A1 (en) * 2018-04-30 2019-11-06 Koninklijke Philips N.V. Gradient shield coil with meandering winding for a magnetic resonance imaging apparatus
CN112748380B (zh) * 2019-10-29 2024-03-19 西门子(深圳)磁共振有限公司 用于磁共振成像装置的梯度线圈及磁共振成像装置
CN111580030B (zh) * 2020-05-13 2022-04-22 山东省肿瘤防治研究院（山东省肿瘤医院） 用于核磁共振与放疗相融合的磁场制备结构、设备及系统
EP4300123B1 (en) * 2022-06-29 2025-10-29 Siemens Healthcare Limited Magnetic resonance scanner with passively shielded gradient coil

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5289128A (en) * 1992-03-27 1994-02-22 Picker International, Inc. Superconducting gradient shield coils
US5539367A (en) * 1994-05-02 1996-07-23 General Electric Company Superconducting gradient shields in magnetic resonance imaging magnets
US5597423A (en) * 1995-12-20 1997-01-28 General Electric Company Niobium tin sheet for superconducting magnets

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3577067A (en) * 1966-05-11 1971-05-04 Varian Associates Persistent mode superconductive orthogonal gradient cancelling coils
US4881035A (en) * 1987-11-24 1989-11-14 Siemens Aktiengesellschaft Magnetic structural arrangement of an installation for nuclear magnetic resonance tomography with superconducting background field coils and normal-conducting gradient coils
JPH0226537A (ja) * 1988-07-14 1990-01-29 Mitsubishi Electric Corp 磁気共鳴装置
US5280247A (en) * 1992-03-27 1994-01-18 Picker International, Inc. Filamentary cold shield for superconducting magnets
JPH03182232A (ja) * 1989-12-11 1991-08-08 Toshiba Corp 磁気共鳴イメージング装置
JPH08252235A (ja) * 1995-03-16 1996-10-01 Toshiba Corp 磁気共鳴映像装置
DE19527020C1 (de) * 1995-07-24 1997-02-20 Siemens Ag Tesserale Gradientenspule für Kernspintomographiegeräte
US5701075A (en) * 1996-01-04 1997-12-23 General Electric Company Magnetic resonance imaging shimming by superconducting gradient shield
JPH10256027A (ja) * 1997-03-10 1998-09-25 Toshiba Corp 超電導磁石システム
JP2000262486A (ja) * 1999-03-17 2000-09-26 Hitachi Ltd 静磁場発生装置及び方法
US6783059B2 (en) * 2002-12-23 2004-08-31 General Electric Company Conduction cooled passively-shielded MRI magnet

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5289128A (en) * 1992-03-27 1994-02-22 Picker International, Inc. Superconducting gradient shield coils
US5539367A (en) * 1994-05-02 1996-07-23 General Electric Company Superconducting gradient shields in magnetic resonance imaging magnets
US5597423A (en) * 1995-12-20 1997-01-28 General Electric Company Niobium tin sheet for superconducting magnets

Also Published As

Publication number Publication date
NL1033935A1 (nl) 2008-01-02
DE102007028833A1 (de) 2007-12-27
US7352183B2 (en) 2008-04-01
NL1033935C2 (nl) 2010-01-26
JP2008000604A (ja) 2008-01-10
US20070296414A1 (en) 2007-12-27
JP5068586B2 (ja) 2012-11-07
CN101093248A (zh) 2007-12-26

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