JP6644889B2 - 磁気共鳴撮像（ｍｒｉ）装置及びｍｒｉ装置用のクライオスタット - Google Patents

磁気共鳴撮像（ｍｒｉ）装置及びｍｒｉ装置用のクライオスタット Download PDF

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JP6644889B2
JP6644889B2 JP2018526758A JP2018526758A JP6644889B2 JP 6644889 B2 JP6644889 B2 JP 6644889B2 JP 2018526758 A JP2018526758 A JP 2018526758A JP 2018526758 A JP2018526758 A JP 2018526758A JP 6644889 B2 JP6644889 B2 JP 6644889B2
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thermal
thermal barrier
isolation support
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inner container
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JP2019506913A (ja
JP2019506913A5 (enExample
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フィリップ アベル メントゥール
フィリップ アベル メントゥール
ヨシュア ケント ヒルデルブランド
ヨシュア ケント ヒルデルブランド
グレン ジョージ プファイデラー
グレン ジョージ プファイデラー
グレッグ オービル キンブル
グレッグ オービル キンブル
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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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/3804—Additional hardware for cooling or heating of the magnet assembly, for housing a cooled or heated part of the magnet assembly or for temperature control of the magnet assembly
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • 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
    • G01R33/3856—Means for cooling the gradient coils or thermal shielding of the gradient coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00—Superconducting magnets; Superconducting coils
    • H01F6/04—Cooling

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2018526758A 2015-11-25 2016-11-17 磁気共鳴撮像（ｍｒｉ）装置及びｍｒｉ装置用のクライオスタット Active JP6644889B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562259758P 2015-11-25 2015-11-25
US62/259,758 2015-11-25
PCT/IB2016/056910 WO2017089929A1 (en) 2015-11-25 2016-11-17 Magnetic resonance imaging (mri) apparatus and cryostat for mri apparatus

Publications (3)

Publication Number Publication Date
JP2019506913A JP2019506913A (ja) 2019-03-14
JP2019506913A5 JP2019506913A5 (enExample) 2019-11-14
JP6644889B2 true JP6644889B2 (ja) 2020-02-12

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JP2018526758A Active JP6644889B2 (ja) 2015-11-25 2016-11-17 磁気共鳴撮像（ｍｒｉ）装置及びｍｒｉ装置用のクライオスタット

Country Status (5)

Country Link
US (1) US10969448B2 (enExample)
EP (1) EP3380858A1 (enExample)
JP (1) JP6644889B2 (enExample)
CN (1) CN108291949A (enExample)
WO (1) WO2017089929A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10978943B2 (en) * 2019-04-03 2021-04-13 General Electric Company System and method for auto-ramping and energy dump for a superconducting wind turbine generator
JP7606433B2 (ja) * 2021-09-16 2024-12-25 住友重機械工業株式会社 超伝導磁石装置および輻射シールド構造
KR20250048443A (ko) * 2023-04-28 2025-04-08 메사추세츠 인스티튜트 오브 테크놀로지 초전도 자석용 열 복사 실드
EP4528758A1 (en) * 2023-09-19 2025-03-26 Siemens Healthcare Limited Suspension rod and magnet support system

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6421410A (en) 1987-07-17 1989-01-24 Alps Electric Co Ltd Objective lens for optical pickup
US4782671A (en) 1987-09-28 1988-11-08 General Atomics Cooling apparatus for MRI magnet system and method of use
JPH01125509U (enExample) * 1988-02-19 1989-08-28
JPH01291410A (ja) * 1988-05-19 1989-11-24 Kobe Steel Ltd クライオスタット
JPH0724313B2 (ja) 1989-10-16 1995-03-15 株式会社東芝 クライオスタット
JP2821241B2 (ja) * 1990-06-08 1998-11-05 株式会社日立製作所 液化冷凍機付きクライオスタツト
JP3347870B2 (ja) * 1994-04-15 2002-11-20 三菱電機株式会社 超電導マグネット並びに該マグネット用の蓄冷型冷凍機
JPH10177914A (ja) * 1996-12-18 1998-06-30 Mitsubishi Electric Corp 冷凍機付き超電導マグネットシステム
GB0411605D0 (en) * 2004-05-25 2004-06-30 Oxford Magnet Tech Reduction of croygen loss during transportation
US7170377B2 (en) 2004-07-28 2007-01-30 General Electric Company Superconductive magnet including a cryocooler coldhead
GB0504345D0 (en) 2005-03-02 2005-04-06 Oxford Instr Superconductivity Cryostat assembly
JP2007194258A (ja) * 2006-01-17 2007-08-02 Hitachi Ltd 超伝導磁石装置
CN100475346C (zh) * 2007-10-19 2009-04-08 中国科学院电工研究所 基于固氮保护的传导冷却高温超导电磁除铁器
CN201177660Y (zh) * 2008-02-29 2009-01-07 西门子（中国）有限公司 超导磁体热屏蔽罩悬挂装置
JP5179947B2 (ja) * 2008-05-15 2013-04-10 三菱電機株式会社 超電導電磁石およびｍｒｉ装置
US20130045870A1 (en) * 2010-05-04 2013-02-21 Koninklijke Philips Electronics N.V. Method and apparatus for shipping and storage of cryogenic devices
US8797131B2 (en) * 2010-05-19 2014-08-05 General Electric Company Thermal shield and method for thermally cooling a magnetic resonance imaging system
CN201749756U (zh) * 2010-06-29 2011-02-16 西门子迈迪特(深圳)磁共振有限公司 一种用于超导磁体的制冷系统
US8598881B2 (en) * 2011-01-11 2013-12-03 General Electric Company Magnetic resonance imaging system with thermal reservoir and method for cooling
US9322892B2 (en) * 2011-12-20 2016-04-26 General Electric Company System for magnetic field distortion compensation and method of making same
GB201212800D0 (en) * 2012-07-19 2012-09-05 Oxford Instr Nanotechnology Tools Ltd Cryogenic cooloing apparatus and method
US10281538B2 (en) * 2012-09-05 2019-05-07 General Electric Company Warm bore cylinder assembly
US9274188B2 (en) * 2012-11-30 2016-03-01 General Electric Company System and apparatus for compensating for magnetic field distortion in an MRI system
CN203149098U (zh) * 2013-01-28 2013-08-21 江苏美时医疗技术有限公司 一种液氮制冷的磁共振成像系统

Also Published As

Publication number Publication date
JP2019506913A (ja) 2019-03-14
CN108291949A (zh) 2018-07-17
US20180348318A1 (en) 2018-12-06
EP3380858A1 (en) 2018-10-03
WO2017089929A1 (en) 2017-06-01
US10969448B2 (en) 2021-04-06

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