CN109313245B - 超导磁体及其操作方法 - Google Patents

超导磁体及其操作方法 Download PDF

Info

Publication number
CN109313245B
CN109313245B CN201780035546.2A CN201780035546A CN109313245B CN 109313245 B CN109313245 B CN 109313245B CN 201780035546 A CN201780035546 A CN 201780035546A CN 109313245 B CN109313245 B CN 109313245B
Authority
CN
China
Prior art keywords
superconducting
magnetic field
compensation
coil
magnet
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.)
Active
Application number
CN201780035546.2A
Other languages
English (en)
Chinese (zh)
Other versions
CN109313245A (zh
Inventor
G·B·J·米尔德
C·L·G·哈姆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of CN109313245A publication Critical patent/CN109313245A/zh
Application granted granted Critical
Publication of CN109313245B publication Critical patent/CN109313245B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • G01R33/28—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00—Superconducting magnets; Superconducting coils
    • H01F6/006—Supplying energising or de-energising current; Flux pumps

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201780035546.2A 2016-06-07 2017-06-05 超导磁体及其操作方法 Active CN109313245B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662346672P 2016-06-07 2016-06-07
US62/346,672 2016-06-07
PCT/EP2017/063597 WO2017211756A1 (en) 2016-06-07 2017-06-05 Cryogenic field sensing for compensating magnetic field variations in magnetic resonance imaging magnets

Publications (2)

Publication Number Publication Date
CN109313245A CN109313245A (zh) 2019-02-05
CN109313245B true CN109313245B (zh) 2021-05-14

Family

ID=59009695

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780035546.2A Active CN109313245B (zh) 2016-06-07 2017-06-05 超导磁体及其操作方法

Country Status (5)

Country Link
US (1) US10761163B2 (enExample)
EP (1) EP3465245A1 (enExample)
JP (1) JP6828058B2 (enExample)
CN (1) CN109313245B (enExample)
WO (1) WO2017211756A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3362812A4 (en) * 2015-10-16 2019-06-26 Synaptive Medical (Barbados) Inc. MAGNETIC RESONANCE GAUGING SYSTEM WITH ABILITY FOR QUICK FIELD RAMPING
EP3987555B1 (en) * 2019-06-20 2024-05-22 Koninklijke Philips N.V. Quench protection for high temperature superconducting (hts) leads
US12039403B2 (en) * 2020-12-22 2024-07-16 International Business Machines Corporation Semi-active magnetic shielding for qubit unit components of quantum computing apparatuses
EP4053860B1 (en) * 2021-03-05 2023-06-21 Bruker Switzerland AG A method for charging a superconductor bulk magnet by field-cooling, with at least one non-homogeneous magnetic field component of the applied charger magnetic field
CN113534028B (zh) * 2021-06-30 2023-03-10 中南大学湘雅二医院 一种皮肤专用表面相控阵接收线圈

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4926289A (en) * 1987-07-17 1990-05-15 Siemens Aktiengesellschaft Actively shielded, superconducting magnet of an NMR tomography apparatus
US5426366A (en) * 1992-12-11 1995-06-20 U.S. Philips Corporation Magnetic resonance apparatus comprising a superconducting magnet
CN1959874A (zh) * 2006-09-30 2007-05-09 中国科学院电工研究所 用于回旋管的传导冷却超导磁体系统
JP2008020266A (ja) * 2006-07-11 2008-01-31 National Institute For Materials Science 超電導マグネット装置
CN101283264A (zh) * 2005-10-12 2008-10-08 皇家飞利浦电子股份有限公司 具有磁场补偿的磁传感器设备
CN101422365A (zh) * 2008-12-16 2009-05-06 中国科学院物理研究所 高温squid应用中平衡脉冲外磁场的调节装置及调节方法
CN103616650A (zh) * 2013-11-25 2014-03-05 中国科学院上海微系统与信息技术研究所 一种基于预失真的超导磁补偿装置及方法
CN104224179A (zh) * 2014-09-10 2014-12-24 中国科学院电工研究所 一种磁共振成像系统的磁场稳定方法和装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5214383A (en) 1990-10-29 1993-05-25 Resonex, Inc. MRI apparatus with external magnetic field compensation
DE19510142A1 (de) 1995-03-21 1996-09-26 Siemens Ag Magnetresonanzgerät mit einer Kompensationseinrichtung für externe magnetische Störfelder
DE19536390A1 (de) 1995-09-29 1997-04-03 Siemens Ag Anordnung zur Messung und Regelung des Grundfeldes eines Magneten eines Kernspintomographiegerätes
JP3753505B2 (ja) * 1997-07-07 2006-03-08 ジーイー横河メディカルシステム株式会社 外乱磁場補償方法および磁気共鳴撮像装置
JPH11164820A (ja) * 1997-12-05 1999-06-22 Hitachi Medical Corp 超電導磁石
EP1078274A1 (en) 1999-03-10 2001-02-28 Koninklijke Philips Electronics N.V. Method of and device for the compensation of variations of the main magnetic field during magnetic resonance imaging
US6396268B1 (en) 2000-10-02 2002-05-28 Ge Medical Systems Global Technology Company, Llc Magnetic resonance imaging device having magnetic field disturbance compensation
JP3884243B2 (ja) 2001-06-21 2007-02-21 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 外部磁界測定方法、静磁界補正方法、外部磁界測定装置およびｍｒｉ装置
JP4193382B2 (ja) * 2001-07-19 2008-12-10 株式会社日立製作所 磁場計測装置
US6960914B2 (en) * 2003-06-27 2005-11-01 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for imaging systems
DE102006035949B4 (de) 2006-07-31 2009-11-26 Bruker Biospin Ag Vorrichtung und Verfahren zur Kompensation von Magnetfeldstörungen in Magnetfeldern mit hoher Feldhomogenität
GB2457729B (en) * 2008-02-25 2010-03-10 Siemens Magnet Technology Ltd Superconducting magnet current adjustment by flux pumping
JP5222324B2 (ja) * 2010-07-14 2013-06-26 株式会社日立製作所 超電導コイル、超電導マグネットおよびその運転方法
US8604793B2 (en) * 2010-10-21 2013-12-10 General Electric Company Superconducting magnet having cold iron shimming capability
US9279871B2 (en) 2011-12-20 2016-03-08 General Electric Company System and apparatus for compensating for magnetic field distortion in an MRI system
JP2015531170A (ja) 2012-08-07 2015-10-29 エイチティーエス−１１０ リミテッド 改良型磁場制御
JP6072300B2 (ja) * 2013-02-06 2017-02-01 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． ガントリを有する磁気共鳴イメージングシステム内の磁場歪曲コンポーネントの能動的補償
US9810755B2 (en) * 2013-12-16 2017-11-07 General Electric Company System and method for energizing a superconducting magnet

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4926289A (en) * 1987-07-17 1990-05-15 Siemens Aktiengesellschaft Actively shielded, superconducting magnet of an NMR tomography apparatus
US5426366A (en) * 1992-12-11 1995-06-20 U.S. Philips Corporation Magnetic resonance apparatus comprising a superconducting magnet
CN101283264A (zh) * 2005-10-12 2008-10-08 皇家飞利浦电子股份有限公司 具有磁场补偿的磁传感器设备
JP2008020266A (ja) * 2006-07-11 2008-01-31 National Institute For Materials Science 超電導マグネット装置
CN1959874A (zh) * 2006-09-30 2007-05-09 中国科学院电工研究所 用于回旋管的传导冷却超导磁体系统
CN101422365A (zh) * 2008-12-16 2009-05-06 中国科学院物理研究所 高温squid应用中平衡脉冲外磁场的调节装置及调节方法
CN103616650A (zh) * 2013-11-25 2014-03-05 中国科学院上海微系统与信息技术研究所 一种基于预失真的超导磁补偿装置及方法
CN104224179A (zh) * 2014-09-10 2014-12-24 中国科学院电工研究所 一种磁共振成像系统的磁场稳定方法和装置

Also Published As

Publication number Publication date
JP2019524177A (ja) 2019-09-05
EP3465245A1 (en) 2019-04-10
WO2017211756A1 (en) 2017-12-14
CN109313245A (zh) 2019-02-05
US20190154777A1 (en) 2019-05-23
JP6828058B2 (ja) 2021-02-10
US10761163B2 (en) 2020-09-01

Similar Documents

Publication Publication Date Title
CN109313245B (zh) 超导磁体及其操作方法
US8698498B2 (en) Low field squid MRI devices, components and methods
US5227728A (en) Gradient driver control in magnetic resonance imaging
KR101626379B1 (ko) 실드에 대한 가변 거리에 대한 보상을 갖는 ｍｒ 안테나
JP5512003B2 (ja) 補正巻線を有する傾斜磁場コイルシステム及びその製造方法
EP2223137B1 (en) Magnetic resonance system with cooling system and monitoring of helium pressure
CN101297212A (zh) Mri中发射器的主动去耦
US5631561A (en) Arrangement for measuring and controlling the basic field of an NMR tomography apparatus
US9989617B2 (en) B1 field-based regulation within a sequence for NMR
US6822451B2 (en) Non-coupling magnetic sheilding coil
US11789098B2 (en) Measurement device and method for measuring magnetic resonance signals in a magnetic resonance device and magnetic resonance device
GB2405209A (en) Compensating for external environmental fluctuations in MRI systems
US9182465B2 (en) MRT gradient system with integrated main magnetic field generation
JP3848005B2 (ja) 磁気共鳴イメージング装置
US10168399B2 (en) MR field probes with additional windings for improving the homogeneity and localizing the measuring volume
JP4388019B2 (ja) 磁気共鳴イメージング装置
JP5121773B2 (ja) 磁気共鳴イメージング装置
GB2343251A (en) MRI gradient field probe
JP4067546B2 (ja) 磁気共鳴イメージング装置および静磁場均一度維持方法
Kelley Hardware Considerations in Ultra High Field MRI: An Overview of System Integration
De Zanche et al. NMR probes for magnetic field monitoring during MRI
CN119452264A (zh) 用于采用永久磁体的移动mri的方法和设备
GB2421798A (en) A method of optimizing mutual inductance

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant