DE60042350D1 - Asymmetrische supraleitende Magnete für die bildgebende magnetische Resonanz - Google Patents

Asymmetrische supraleitende Magnete für die bildgebende magnetische Resonanz

Info

Publication number
DE60042350D1
DE60042350D1 DE60042350T DE60042350T DE60042350D1 DE 60042350 D1 DE60042350 D1 DE 60042350D1 DE 60042350 T DE60042350 T DE 60042350T DE 60042350 T DE60042350 T DE 60042350T DE 60042350 D1 DE60042350 D1 DE 60042350D1
Authority
DE
Germany
Prior art keywords
magnetic resonance
resonance imaging
superconducting magnets
asymmetric superconducting
asymmetric
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.)
Expired - Lifetime
Application number
DE60042350T
Other languages
English (en)
Inventor
Stuart Crozier
David M Doddrell
Huawei Zhao
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.)
NMR Holdings No 2 Pty Ltd
Original Assignee
NMR Holdings No 2 Pty Ltd
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 NMR Holdings No 2 Pty Ltd filed Critical NMR Holdings No 2 Pty Ltd
Application granted granted Critical
Publication of DE60042350D1 publication Critical patent/DE60042350D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G01R33/381—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
    • G01R33/3806—Open magnet assemblies for improved access to the sample, e.g. C-type or U-type magnets

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE60042350T 1999-08-03 2000-07-24 Asymmetrische supraleitende Magnete für die bildgebende magnetische Resonanz Expired - Lifetime DE60042350D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPQ1988A AUPQ198899A0 (en) 1999-08-03 1999-08-03 A method of magnet design and magnet configuration
US09/421,035 US6140900A (en) 1999-08-03 1999-10-20 Assymetric superconducting magnets for magnetic resonance imaging

Publications (1)

Publication Number Publication Date
DE60042350D1 true DE60042350D1 (de) 2009-07-16

Family

ID=3816168

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60042350T Expired - Lifetime DE60042350D1 (de) 1999-08-03 2000-07-24 Asymmetrische supraleitende Magnete für die bildgebende magnetische Resonanz

Country Status (4)

Country Link
US (1) US6140900A (de)
EP (1) EP1767956B1 (de)
AU (1) AUPQ198899A0 (de)
DE (1) DE60042350D1 (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU773894B2 (en) * 1999-08-03 2004-06-10 Nmr Holdings No. 2 Pty Limited Asymmetric superconducting magnets for magnetic resonance imaging
AUPQ978700A0 (en) 2000-08-30 2000-09-21 Nmr Holdings No. 2 Pty Limited Asymmetric zonal shim coils for magnetic resonance
AU783991B2 (en) * 2000-09-11 2006-01-12 Nmr Holdings No. 2 Pty Limited Asymmetric radio frequency coils for magnetic resonance
AUPR005900A0 (en) 2000-09-11 2000-10-05 Nmr Holdings No. 2 Pty Limited Asymmetric radio frequency coils for magnetic resonance
US6700468B2 (en) 2000-12-01 2004-03-02 Nmr Holdings No. 2 Pty Limited Asymmetric magnets for magnetic resonance imaging
US6664879B2 (en) 2001-12-04 2003-12-16 Nmr Holdings No. 2 Pty Limited Asymmetric tesseral shim coils for magnetic resonance
KR100473627B1 (ko) * 2002-06-03 2005-03-10 한국전기연구원 고균등 자장발생용 초전도 자석의 설계법
US20040075434A1 (en) * 2002-10-16 2004-04-22 Vavrek Robert Michael Gradient coil apparatus for magnetic resonance imaging
GB2408345B (en) * 2003-11-18 2006-09-13 Univ Queensland Bi-planar coil assemblies for producing specified magnetic fields
AU2004231183B2 (en) * 2003-11-18 2009-03-05 The University Of Queensland Bi-planar coil assemblies for producing specified magnetic fields
US7088100B2 (en) * 2004-03-11 2006-08-08 General Electric Company Method and apparatus to generate a circular polarized RF field independent of subject asymmetry
US7109708B2 (en) 2004-08-19 2006-09-19 General Electric Company Systems, methods and apparatus of a magnetic resonance imaging magnet to produce an asymmetrical stray field
US7466133B2 (en) * 2005-03-01 2008-12-16 General Electric Company Systems, methods and apparatus of a magnetic resonance imaging system to produce a stray field suitable for interventional use
US7375528B2 (en) * 2005-03-29 2008-05-20 Magnetica Limited Shielded, asymmetric magnets for use in magnetic resonance imaging
US7274192B2 (en) * 2005-05-31 2007-09-25 General Electric Company Combined open and closed magnet configuration for MRI
US7212004B2 (en) * 2005-07-19 2007-05-01 Magnetica Limited Multi-layer magnet
RU2008129669A (ru) * 2005-12-20 2010-01-27 Конинклейке Филипс Электроникс Н.В. (Nl) Магнитно-резонансный сканер с градиентной катушкой, расположенной рядом с обмотками основного магнита
AU2007308759B2 (en) * 2006-10-27 2011-05-12 Nmr Holdings No. 2 Pty Limited Magnets for use in magnetic resonance imaging
US20120258862A1 (en) * 2009-12-21 2012-10-11 Nmr Holdings No. 2 Pty Limited Open-bore magnet for use in magnetic resonance imaging
CN102360690A (zh) * 2011-06-14 2012-02-22 中国科学院电工研究所 一种自屏蔽开放式磁共振成像超导磁体
CN102376410B (zh) * 2011-11-10 2013-03-20 中国科学院电工研究所 一种开放式核磁共振超导磁体的设计方法
CN103077797B (zh) 2013-01-06 2016-03-30 中国科学院电工研究所 用于头部成像的超导磁体系统
DE102013214880A1 (de) 2013-07-30 2015-02-05 Siemens Aktiengesellschaft Magnetresonanzgerät
US10718833B2 (en) 2014-08-18 2020-07-21 Magnetica Limited Magnet for head extremity imaging
CN104881524A (zh) * 2015-05-13 2015-09-02 徐纪法 双源磁路磁参量计算软件
WO2018174726A2 (en) 2017-03-24 2018-09-27 Victoria Link Limited Mri magnet and apparatus
WO2020163892A1 (en) 2019-02-12 2020-08-20 Magnetica Limited Magnets and magnetic resonance imaging systems
CN111027110B (zh) * 2019-11-27 2023-06-30 中国科学院光电技术研究所 一种连续体结构拓扑与形状尺寸综合优化方法
CN111707979B (zh) * 2020-06-28 2022-09-16 深圳航天科技创新研究院 基于逆向表面边界单元法的磁共振头部射频线圈设计方法
CN112397271B (zh) * 2020-09-24 2022-10-04 江苏美时医疗技术有限公司 高温超导磁共振成像仪

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8410972D0 (en) * 1984-04-30 1984-06-06 Oxford Magnet Tech Magnet assembly
GB8500248D0 (en) * 1985-01-04 1985-02-13 Oxford Magnet Tech Solenoids
GB8912601D0 (en) * 1989-06-01 1989-07-19 Oxford Magnet Tech Magnetic field generating apparatus
US5307039A (en) * 1992-09-08 1994-04-26 General Electric Company Frustoconical magnet for magnetic resonance imaging
US5596303A (en) * 1993-02-22 1997-01-21 Akguen Ali Superconductive magnet system with low and high temperature superconductors
US5428292A (en) * 1994-04-29 1995-06-27 General Electric Company Pancake MRI magnet with modified imaging volume
US5416415A (en) * 1994-08-05 1995-05-16 General Electric Company Over-shoulder MRI magnet for human brain imaging
DE59609254D1 (de) * 1995-09-28 2002-07-04 Siemens Ag Magnetanordnung für ein diagnostisches Magnetresonanzgerät
US5818319A (en) * 1995-12-21 1998-10-06 The University Of Queensland Magnets for magnetic resonance systems
DE59700179D1 (de) * 1996-03-28 1999-07-08 Siemens Ag Magnetanordnung für die bildgebende magnetische Resonanz mit zwei getrennten Abbildungsvolumina
US6853281B1 (en) * 1997-12-01 2005-02-08 Hitachi Medical Corporation Magnet apparatus and mri apparatus

Also Published As

Publication number Publication date
AUPQ198899A0 (en) 1999-08-26
EP1767956A1 (de) 2007-03-28
EP1767956B1 (de) 2009-06-03
US6140900A (en) 2000-10-31

Similar Documents

Publication Publication Date Title
DE60042350D1 (de) Asymmetrische supraleitende Magnete für die bildgebende magnetische Resonanz
DE69935702D1 (de) Magnet für die bildgebende magnetische resonanz
DE69933630D1 (de) Magnetfelderzeuger für die Magnetresonanzbildgebung
DE29900512U1 (de) Magnetresonanzanlage für die intraoperative Bildgebung
DE60230561D1 (de) Supraleitender Magnet für die bildgebende magnetische Resonanz
NO20003251D0 (no) Metode for magnetisk resonans avbildning
DE69926034D1 (de) Rf-Spulen für die Magnetresonanzbildgebung
DE69931611D1 (de) Magnetresonanz bildgebungsvorrichtung
DE69526394D1 (de) Magnet für die Bilderzeugung mittels magnetischer Resonanz
DE60045731D1 (de) Kopfspule für die bilderzeugende magnetische Resonanz
DE60026426D1 (de) Polstückeinheit für einen Magnet der bildgebenden magnetischen Resonanz
DE69832951D1 (de) Justierbarer Magnet für die Magnetresonanzbildgebung während medizinischer Eingriffe
DE602004030504D1 (de) Pulsrohr-Tieftemperaturkühlsystem für supraleitende Magnete für die magnetische Resonanz
DE69931833D1 (de) Gerät für die magnetische Resonanz
GB9929070D0 (en) Magnetic resonance imaging device
DE50100797D1 (de) Inkubator für die Kernspintomographie
DE69528306T2 (de) Offener Magnet für Bilderzeugung durch magnetische Resonanz
GB9926918D0 (en) Magnetic resonance imaging
DE69606379T2 (de) Offener kryogengekühlter supraleitender Magnet für die Bilderzeugung durch magnetische Resonanz
DE60124973D1 (de) Mikroskop für die Magnetresonanzbildgebung und Unterstützungseinrichtung für die Magnetresonanzbildgebung
GB9926923D0 (en) Magnetic resonance imaging
DE69708345T2 (de) Verbesserungen an Magneten für die bildgebende magnetische Resonanz
DE69925193D1 (de) Mehrfrequenz-Magnetresonanzbildgebung
DE69737511D1 (de) Magnetfeld-erzeuger für die bildgebende magnetische resonanz
DE69822709D1 (de) Offener Magnet für die Magnetresonanzbildgebung mit inhomogenem Feld

Legal Events

Date Code Title Description
8364 No opposition during term of opposition