KR102208933B1 - Mri 시스템의 초전도 자석을 여자하기 위한 시스템 - Google Patents

Mri 시스템의 초전도 자석을 여자하기 위한 시스템 Download PDF

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Publication number
KR102208933B1
KR102208933B1 KR1020167018144A KR20167018144A KR102208933B1 KR 102208933 B1 KR102208933 B1 KR 102208933B1 KR 1020167018144 A KR1020167018144 A KR 1020167018144A KR 20167018144 A KR20167018144 A KR 20167018144A KR 102208933 B1 KR102208933 B1 KR 102208933B1
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South Korea
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coil
mri
main
superconducting magnet
cryostat
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Korean (ko)
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KR20160099599A (ko
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웨이준 센
티모시 존 헤이븐스
롱지 지앙
젠유 장
벤카타 케이 모가타다칼라
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제네럴 일렉트릭 컴퍼니
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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
    • G01R33/30—Sample handling arrangements, e.g. sample cells, spinning mechanisms
    • G01R33/307—Sample handling arrangements, e.g. sample cells, spinning mechanisms specially adapted for moving the sample relative to the MR system, e.g. spinning mechanisms, flow cells or means for positioning the sample inside a spectrometer
    • 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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34015—Temperature-controlled RF coils
    • G01R33/34023—Superconducting RF coils
    • 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
    • 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
    • G01R33/389—Field stabilisation, e.g. by field measurements and control means or indirectly by current stabilisation
    • 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/546—Interface between the MR system and the user, e.g. for controlling the operation of the MR system or for the design of pulse sequences
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00—Superconducting magnets; Superconducting coils
    • H01F6/06—Coils, e.g. winding, insulating, terminating or casing arrangements therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00—Superconducting magnets; Superconducting coils
    • H01F6/005—Methods and means for increasing the stored energy in superconductive coils by increments (flux pumps)

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
KR1020167018144A 2013-12-16 2014-07-29 Mri 시스템의 초전도 자석을 여자하기 위한 시스템 Expired - Fee Related KR102208933B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/107,216 US9810755B2 (en) 2013-12-16 2013-12-16 System and method for energizing a superconducting magnet
US14/107,216 2013-12-16
PCT/US2014/048615 WO2015094414A1 (en) 2013-12-16 2014-07-29 System and method for energizing a superconducting magnet of an mri system

Publications (2)

Publication Number Publication Date
KR20160099599A KR20160099599A (ko) 2016-08-22
KR102208933B1 true KR102208933B1 (ko) 2021-01-28

Family

ID=51398877

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020167018144A Expired - Fee Related KR102208933B1 (ko) 2013-12-16 2014-07-29 Mri 시스템의 초전도 자석을 여자하기 위한 시스템

Country Status (7)

Country Link
US (1) US9810755B2 (enExample)
JP (1) JP6446458B2 (enExample)
KR (1) KR102208933B1 (enExample)
CN (1) CN105980874B (enExample)
DE (1) DE112014005716T8 (enExample)
GB (1) GB2535403B (enExample)
WO (1) WO2015094414A1 (enExample)

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CN105487031B (zh) * 2016-01-21 2018-04-20 中国科学院电工研究所 磁共振成像系统中与主磁体解耦的二阶轴向超导匀场线圈
EP3414585B1 (en) 2016-02-12 2025-02-12 Vigilance Health Imaging Network Inc. Distortion correction of multiple mri images based on a full body reference image
WO2017211756A1 (en) * 2016-06-07 2017-12-14 Koninklijke Philips N.V. Cryogenic field sensing for compensating magnetic field variations in magnetic resonance imaging magnets
CN107123504B (zh) * 2017-07-03 2019-06-28 上海联影医疗科技有限公司 磁共振磁体降场系统及降场方法
CN107545977B (zh) * 2017-08-08 2020-04-14 上海东软医疗科技有限公司 超导磁体的升降场装置和超导磁体系统
US10775455B2 (en) * 2018-03-29 2020-09-15 Siemens Healthcare Gmbh Power management for cryogen compressors
DE102018221322A1 (de) 2018-12-10 2020-06-10 Bruker Switzerland Ag Verfahren zum Laden einer HTS-Shim-Vorrichtung und Magnetanordnung
CN113161100B (zh) * 2020-01-22 2022-10-18 西门子(深圳)磁共振有限公司 主磁场产生单元、升降场单元和超导磁体及升降场方法
KR102887379B1 (ko) 2024-01-26 2025-11-18 제이에이취엔지니어링주식회사 자기장의 안정성을 강화한 mri용 영구전류 스위치

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JP2004350888A (ja) 2003-05-29 2004-12-16 Mitsubishi Electric Corp 静磁場発生装置および磁気共鳴イメージング装置
US7034537B2 (en) 2001-03-14 2006-04-25 Hitachi Medical Corporation MRI apparatus correcting vibratory static magnetic field fluctuations, by utilizing the static magnetic fluctuation itself
US20090219121A1 (en) * 2008-02-25 2009-09-03 Andrew Farquhar Atkins Superconducting magnet current adjustment by flux pumping
JP2010051541A (ja) 2008-08-28 2010-03-11 Ge Medical Systems Global Technology Co Llc 磁気共鳴イメージング装置および超伝導コイルの励磁方法

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US3262025A (en) 1961-11-29 1966-07-19 California Inst Res Found Magnetic-flux pump
NL295761A (enExample) 1962-10-02
US3277322A (en) 1963-04-01 1966-10-04 North American Aviation Inc Method and apparatus for magnetic flux accumulation and current generation
US3320522A (en) 1963-06-18 1967-05-16 Sperry Rand Corp Superconductive flux magnifier
US3233155A (en) 1963-07-01 1966-02-01 Ferranti Packard Ltd Superconductive means for obtaining high magnetic fields
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US3848162A (en) 1972-07-11 1974-11-12 President Of The Agency Of Ind Method and apparatus for charging a superconductive coil
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US5105098A (en) 1990-04-03 1992-04-14 Tyler Power Systems, Inc. Superconducting power switch
JPH0974012A (ja) * 1994-09-16 1997-03-18 Hitachi Medical Corp 超電導多層複合体を用いた超電導磁石装置と着磁方法
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US5633588A (en) * 1994-09-16 1997-05-27 Hitachi Medical Corporation Superconducting magnet apparatus using superconducting multilayer composite member, method of magnetizing the same and magnetic resonance imaging system employing the same
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7034537B2 (en) 2001-03-14 2006-04-25 Hitachi Medical Corporation MRI apparatus correcting vibratory static magnetic field fluctuations, by utilizing the static magnetic fluctuation itself
JP2004350888A (ja) 2003-05-29 2004-12-16 Mitsubishi Electric Corp 静磁場発生装置および磁気共鳴イメージング装置
US20090219121A1 (en) * 2008-02-25 2009-09-03 Andrew Farquhar Atkins Superconducting magnet current adjustment by flux pumping
JP2010051541A (ja) 2008-08-28 2010-03-11 Ge Medical Systems Global Technology Co Llc 磁気共鳴イメージング装置および超伝導コイルの励磁方法

Also Published As

Publication number Publication date
GB201610096D0 (en) 2016-07-27
US9810755B2 (en) 2017-11-07
GB2535403A (en) 2016-08-17
CN105980874B (zh) 2019-06-14
GB2535403B (en) 2018-04-11
JP2017500112A (ja) 2017-01-05
DE112014005716T5 (de) 2016-09-15
CN105980874A (zh) 2016-09-28
WO2015094414A1 (en) 2015-06-25
US20150168517A1 (en) 2015-06-18
JP6446458B2 (ja) 2018-12-26
DE112014005716T8 (de) 2016-10-06
KR20160099599A (ko) 2016-08-22

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