CN108291949A - 磁共振成像(mri)设备和用于mri设备的低温恒温器 - Google Patents

磁共振成像(mri)设备和用于mri设备的低温恒温器 Download PDF

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Publication number
CN108291949A
CN108291949A CN201680068652.6A CN201680068652A CN108291949A CN 108291949 A CN108291949 A CN 108291949A CN 201680068652 A CN201680068652 A CN 201680068652A CN 108291949 A CN108291949 A CN 108291949A
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CN
China
Prior art keywords
heat shield
heat
insulating support
support element
inner container
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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CN201680068652.6A
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English (en)
Chinese (zh)
Inventor
P·A·门特乌尔
J·K·希尔德布兰德
G·G·普夫莱德雷尔
G·O·金博尔
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Koninklijke Philips NV
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Koninklijke Philips NV
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Publication date
Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of CN108291949A publication Critical patent/CN108291949A/zh
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/3804Additional 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055Detecting, 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/381Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • G01R33/3815Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3856Means for cooling the gradient coils or thermal shielding of the gradient coils
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00Superconducting magnets; Superconducting coils
    • H01F6/04Cooling

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Electromagnetism (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201680068652.6A 2015-11-25 2016-11-17 磁共振成像(mri)设备和用于mri设备的低温恒温器 Pending CN108291949A (zh)

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 (1)

Publication Number Publication Date
CN108291949A true CN108291949A (zh) 2018-07-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201680068652.6A Pending CN108291949A (zh) 2015-11-25 2016-11-17 磁共振成像(mri)设备和用于mri设备的低温恒温器

Country Status (5)

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

Families Citing this family (5)

* 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
EP4343355A1 (en) * 2022-09-23 2024-03-27 Siemens Healthcare Limited A cryogen-cooled superconducting magnet assembly for a magnetic resonance imaging scanner
JP2025535879A (ja) * 2023-04-28 2025-10-30 マサチューセッツ インスティテュート オブ テクノロジー 超伝導磁石のための熱放射シールド
EP4528758A1 (en) * 2023-09-19 2025-03-26 Siemens Healthcare Limited Suspension rod and magnet support system

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1057329A (zh) * 1990-06-08 1991-12-25 株式会社日立制作所 带液化致冷机的恒温器
CN1989370A (zh) * 2004-05-25 2007-06-27 西门子磁体技术有限公司 低温恒温器传输过程中冷却剂损失的减小
CN101130179A (zh) * 2007-10-19 2008-02-27 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
JP2009273673A (ja) * 2008-05-15 2009-11-26 Mitsubishi Electric Corp 超電導電磁石およびmri装置
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
CN102360693A (zh) * 2010-05-19 2012-02-22 通用电气公司 用于热冷却磁共振成像系统的隔热罩和方法
CN102869933A (zh) * 2010-05-04 2013-01-09 皇家飞利浦电子股份有限公司 用于装运和储存低温装置的改进方法和设备
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

Family Cites Families (15)

* 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 (https=) * 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
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
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
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

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1057329A (zh) * 1990-06-08 1991-12-25 株式会社日立制作所 带液化致冷机的恒温器
CN1989370A (zh) * 2004-05-25 2007-06-27 西门子磁体技术有限公司 低温恒温器传输过程中冷却剂损失的减小
CN101130179A (zh) * 2007-10-19 2008-02-27 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
JP2009273673A (ja) * 2008-05-15 2009-11-26 Mitsubishi Electric Corp 超電導電磁石およびmri装置
CN102869933A (zh) * 2010-05-04 2013-01-09 皇家飞利浦电子股份有限公司 用于装运和储存低温装置的改进方法和设备
CN102360693A (zh) * 2010-05-19 2012-02-22 通用电气公司 用于热冷却磁共振成像系统的隔热罩和方法
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
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
YEON SUK CHOI等: "《HTS Insert Cryostat Integrated With Conduction-Cooled Superconducting Magnet for High Magnetic Field Applications》", 《IEEE》 *

Also Published As

Publication number Publication date
WO2017089929A1 (en) 2017-06-01
EP3380858A1 (en) 2018-10-03
US10969448B2 (en) 2021-04-06
US20180348318A1 (en) 2018-12-06
JP6644889B2 (ja) 2020-02-12
JP2019506913A (ja) 2019-03-14

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