DE69739151D1 - Offene supraleitende Magnetvorrichtung - Google Patents

Offene supraleitende Magnetvorrichtung

Info

Publication number
DE69739151D1
DE69739151D1 DE69739151T DE69739151T DE69739151D1 DE 69739151 D1 DE69739151 D1 DE 69739151D1 DE 69739151 T DE69739151 T DE 69739151T DE 69739151 T DE69739151 T DE 69739151T DE 69739151 D1 DE69739151 D1 DE 69739151D1
Authority
DE
Germany
Prior art keywords
superconducting magnet
magnet device
open superconducting
open
superconducting
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
DE69739151T
Other languages
English (en)
Inventor
Hirotaka Takeshima
Takao Hommei
Hajime Kawano
Hiroshi Tazaki
Takeshi Yatsuo
Shigenori Kuroda
Hajime Tanabe
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.)
Hitachi Healthcare Manufacturing Ltd
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Hitachi Medical Corp
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
Priority claimed from JP8303966A external-priority patent/JPH10127602A/ja
Priority claimed from JP8303965A external-priority patent/JPH10135027A/ja
Priority claimed from JP35638796A external-priority patent/JP3980105B2/ja
Application filed by Mitsubishi Electric Corp, Hitachi Medical Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69739151D1 publication Critical patent/DE69739151D1/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
    • G01R33/3806—Open magnet assemblies for improved access to the sample, e.g. C-type or U-type magnets
    • 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
    • G01R33/383—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets
    • 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
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3873—Compensation of inhomogeneities using ferromagnetic bodies ; Passive shimming

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE69739151T 1996-10-30 1997-10-29 Offene supraleitende Magnetvorrichtung Expired - Lifetime DE69739151D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8303966A JPH10127602A (ja) 1996-10-30 1996-10-30 超電導磁石装置
JP8303965A JPH10135027A (ja) 1996-10-30 1996-10-30 超電導磁石装置
JP35638796A JP3980105B2 (ja) 1996-12-26 1996-12-26 静磁場発生装置及び磁気共鳴イメージング装置

Publications (1)

Publication Number Publication Date
DE69739151D1 true DE69739151D1 (de) 2009-01-15

Family

ID=27338647

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69739151T Expired - Lifetime DE69739151D1 (de) 1996-10-30 1997-10-29 Offene supraleitende Magnetvorrichtung
DE69738995T Expired - Lifetime DE69738995D1 (de) 1996-10-30 1997-10-29 Supraleitende magnetfelderzeugende einrichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69738995T Expired - Lifetime DE69738995D1 (de) 1996-10-30 1997-10-29 Supraleitende magnetfelderzeugende einrichtung

Country Status (4)

Country Link
US (2) US6437672B1 (de)
EP (2) EP1647831B1 (de)
DE (2) DE69739151D1 (de)
WO (1) WO1998019317A1 (de)

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JP2002034947A (ja) * 1997-10-24 2002-02-05 Hitachi Ltd マグネット装置、および、これを用いたｍｒｉ装置
GB2341449B (en) * 1998-09-11 2003-03-26 Oxford Magnet Tech Stabilisation of a magnetic field of a magnetic reasonance imaging apparatus
US6011456A (en) * 1998-12-30 2000-01-04 Eckels; Phillip W. Superconducting magnet split cryostat cryogen ride-through reserve
JP2001078982A (ja) * 1999-09-16 2001-03-27 Hitachi Medical Corp 開放型磁石装置
WO2001074243A1 (fr) * 2000-04-03 2001-10-11 Hitachi Medical Corporation Aimant supraconducteur et appareil d'imagerie par resonance magnetique qui comprend ledit aimant
JP3701540B2 (ja) * 2000-04-19 2005-09-28 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 磁場測定方法、勾配コイル製造方法、勾配コイルおよび磁気共鳴撮影装置
JP3934312B2 (ja) * 2000-07-11 2007-06-20 株式会社日立メディコ 磁気共鳴イメージング装置
JP3939489B2 (ja) * 2000-08-28 2007-07-04 株式会社日立メディコ 磁石装置およびこれを用いた磁気共鳴イメージング装置
DE10047584C2 (de) * 2000-09-26 2002-09-19 Siemens Ag Magnetresonanztomograph mit einer Temperaturregelung für thermisch hochsensitive Bauteile
KR20020070984A (ko) * 2000-09-26 2002-09-11 코닌클리케 필립스 일렉트로닉스 엔.브이. 주 자석내에 위치된 원뿔형 공동을 가진 수직 필드 형태ｍｒｉ장치
JP3728199B2 (ja) * 2000-11-14 2005-12-21 株式会社日立メディコ 磁気共鳴イメージング装置
JP3987686B2 (ja) * 2001-02-02 2007-10-10 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 静磁界補正方法およびｍｒｉ装置
EP1371328A4 (de) * 2001-03-14 2009-11-25 Hitachi Medical Corp Apparat für die magnetische resonanztomographie und apparat zur erzeugung eines statischen magnetfelds dafür
US7263839B2 (en) * 2002-10-16 2007-09-04 Koninklijke Philips Electronics N.V. Cooling device for MR apparatus
US6809619B1 (en) * 2003-10-16 2004-10-26 G.E. Medical Systems Global Technology Co., Llc System and method for adjusting magnetic center field for permanent MRI magnetic field generator
JP4341375B2 (ja) * 2003-11-06 2009-10-07 株式会社日立製作所 磁気共鳴イメージング装置
DE102004003535B3 (de) * 2004-01-23 2005-10-13 Siemens Ag Erzeuger eines zeitvariablen Magnetfelds eines Magnetresonanzgeräts und Magnetresonanzgerät mit einem derartigen Erzeuger eines zeitvariablen Magnetfelds
AU2005230449B2 (en) * 2004-04-01 2010-02-18 Liposcience, Inc. NMR clinical analyzers and related methods, systems, modules and computer program products for clinical evaluation of biosamples
JP3790971B2 (ja) * 2004-06-23 2006-06-28 株式会社日立製作所 磁気共鳴イメージング装置
DE102004061869B4 (de) * 2004-12-22 2008-06-05 Siemens Ag Einrichtung der Supraleitungstechnik und Magnetresonanzgerät
GB2422905B (en) * 2005-02-04 2007-02-14 Siemens Magnet Technology Ltd Material for electrical isolation and vibro-acoustic performance
JP4705528B2 (ja) * 2006-01-05 2011-06-22 株式会社日立製作所 超伝導磁石装置および磁気共鳴イメージング装置
WO2007084701A1 (en) * 2006-01-19 2007-07-26 Massachusetts Institute Of Technology Magnet structure for particle acceleration
US7656258B1 (en) * 2006-01-19 2010-02-02 Massachusetts Institute Of Technology Magnet structure for particle acceleration
US7525310B2 (en) * 2006-03-04 2009-04-28 Raju Viswanathan Signal acquisition and processing method and apparatus for magnetic resonance imaging
JP4266232B2 (ja) * 2006-11-17 2009-05-20 株式会社日立製作所 超伝導磁石装置および磁気共鳴イメージング装置
CN101788655A (zh) * 2009-01-24 2010-07-28 Ge医疗***环球技术有限公司 磁共振成像***以及使该***中主磁体的温度稳定的方法
EP3572823B1 (de) * 2010-02-24 2022-04-06 ViewRay Technologies, Inc. Aufgeteiltes system zur bildgebung magnetischer resonanzen
EP2400314A1 (de) * 2010-06-14 2011-12-28 Agilent Technologies U.K. Limited Supraleitende Magnetanordnung und Montageverfahren dafür
CN102314988B (zh) * 2010-06-30 2014-05-07 通用电气公司 磁体组件及其温控方法
WO2012153712A1 (ja) * 2011-05-10 2012-11-15 株式会社 東芝 磁気共鳴イメージング装置、磁気共鳴イメージング装置用の磁場調整具、磁気共鳴イメージング方法及び磁気共鳴イメージング装置の磁場調整方法
US20220123194A1 (en) * 2020-10-17 2022-04-21 Carlo A. Trugenberger High Temperature Superconducting Device

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US4673882A (en) * 1984-03-06 1987-06-16 Buford J Philip Magnetic system for nuclear magnetic resonance diagnostic device
DE3566185D1 (en) * 1984-04-11 1988-12-15 Sumitomo Spec Metals Magnetic field generating device for nmr-ct
DE3418812A1 (de) * 1984-05-19 1985-11-21 Bruker Medizintechnik Gmbh, 7512 Rheinstetten Kernspintomograph
US4679022A (en) * 1985-12-27 1987-07-07 Sumitomo Special Metal Co. Ltd. Magnetic field generating device for NMR-CT
JPS62295405A (ja) * 1986-02-17 1987-12-22 Sanyo Electric Co Ltd 磁気共鳴撮像装置
DE3779715T2 (de) * 1986-09-27 1993-01-28 Sumitomo Spec Metals Vorrichtung zur erzeugung eines magnetfeldes fuer rechnergesteuerte tomographie mittels magnetischer kernresonanz.
US5134374A (en) 1989-06-01 1992-07-28 Applied Superconetics Magnetic field control apparatus
US4943774A (en) * 1989-06-01 1990-07-24 General Atomics Magnetic field control apparatus
US5218333A (en) * 1989-10-02 1993-06-08 Sumitomo Special Metal Co., Ltd. Magnetic field generating device for use with ESR device
US5061897A (en) * 1990-03-23 1991-10-29 Fonar Corporation Eddy current control in magnetic resonance imaging
JPH02270308A (ja) * 1990-03-26 1990-11-05 Mitsubishi Electric Corp 超電導偏向電磁石およびその励磁方法
DE4010032C2 (de) * 1990-03-29 1994-03-03 Bruker Analytische Messtechnik Magnetsystem
JPH0471199A (ja) * 1990-07-10 1992-03-05 Mitsubishi Electric Corp 荷電粒子偏向電磁石装置
US5414399A (en) * 1991-12-19 1995-05-09 Applied Superconetics, Inc. Open access superconducting MRI magnet having an apparatus for reducing magnetic hysteresis in superconducting MRI systems
US5412363A (en) * 1991-12-20 1995-05-02 Applied Superconetics, Inc. Open access superconducting MRI magnet
JP2699250B2 (ja) * 1993-01-22 1998-01-19 信越化学工業株式会社 磁場発生装置及び磁場発生装置製造方法
GB2276946B (en) * 1993-04-08 1997-04-02 Oxford Magnet Tech Improvements in or relating to MRI magnets
JP3480991B2 (ja) * 1994-08-08 2003-12-22 株式会社日立メディコ 磁気共鳴イメージング装置用磁気回路およびそれを備えた磁気共鳴イメージング装置
US5517121A (en) * 1995-01-13 1996-05-14 Toshiba America Mri, Inc. MRI system with side-access to an image volume located within a two-column main magnet

Also Published As

Publication number Publication date
EP0883143A1 (de) 1998-12-09
US20020180571A1 (en) 2002-12-05
DE69738995D1 (de) 2008-10-30
EP1647831A3 (de) 2006-05-03
EP0883143A4 (de) 2003-04-02
EP1647831B1 (de) 2008-12-03
US6437672B1 (en) 2002-08-20
EP0883143B1 (de) 2008-09-17
US6781492B2 (en) 2004-08-24
WO1998019317A1 (fr) 1998-05-07
EP1647831A2 (de) 2006-04-19

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Legal Events

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