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DE60230561D1 - Supraleitender Magnet für die bildgebende magnetische Resonanz - Google Patents

Supraleitender Magnet für die bildgebende magnetische Resonanz

Info

Publication number
DE60230561D1
DE60230561D1 DE60230561T DE60230561T DE60230561D1 DE 60230561 D1 DE60230561 D1 DE 60230561D1 DE 60230561 T DE60230561 T DE 60230561T DE 60230561 T DE60230561 T DE 60230561T DE 60230561 D1 DE60230561 D1 DE 60230561D1
Authority
DE
Germany
Prior art keywords
magnetic resonance
resonance imaging
superconducting magnet
superconducting
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.)
Expired - Lifetime
Application number
DE60230561T
Other languages
English (en)
Inventor
Naoji Yoshida
Hajime Tanabe
Shigenori Kuroda
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 JP2001148359A external-priority patent/JP2002336215A/ja
Priority claimed from JP2001170189A external-priority patent/JP2002360537A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE60230561D1 publication Critical patent/DE60230561D1/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
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3873—Compensation of inhomogeneities using ferromagnetic bodies ; Passive shimming
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE60230561T 2001-05-17 2002-04-04 Supraleitender Magnet für die bildgebende magnetische Resonanz Expired - Lifetime DE60230561D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001148359A JP2002336215A (ja) 2001-05-17 2001-05-17 超電導マグネット装置及び磁場均一度調整方法
JP2001170189A JP2002360537A (ja) 2001-06-05 2001-06-05 超電導マグネット装置及び超電導マグネット装置の磁場均一度調整方法

Publications (1)

Publication Number Publication Date
DE60230561D1 true DE60230561D1 (de) 2009-02-12

Family

ID=26615289

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60230561T Expired - Lifetime DE60230561D1 (de) 2001-05-17 2002-04-04 Supraleitender Magnet für die bildgebende magnetische Resonanz

Country Status (3)

Country Link
US (2) US6707359B2 (de)
EP (1) EP1260827B1 (de)
DE (1) DE60230561D1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6809519B2 (en) * 2001-07-12 2004-10-26 Shin-Etsu Chemical Co., Ltd. Inclined magnetic field generation coil and magnetic field generator for MRI
DE10147984B4 (de) * 2001-09-28 2007-10-11 Siemens Ag Magnetresonanz-Untersuchungsgerät mit einer Einrichtung zur Erzeugung eines homogenen Magnetfeldes und Verfahren zur Verbesserung der Homogenität eines Magnetfeldes
JP2003130937A (ja) * 2001-10-24 2003-05-08 Hitachi Ltd 溶液用核磁気共鳴分析装置
US20040041565A1 (en) * 2002-05-08 2004-03-04 Shigeru Kakugawa NMR magnet device for solution analysis and NMR apparatus
US6836119B2 (en) * 2002-10-15 2004-12-28 Koninklijke Philips Electronics, N.V. Method and apparatus for aligning a magnetic field modifying structure in a magnetic resonance imaging scanner
JP3624254B1 (ja) * 2003-09-30 2005-03-02 株式会社日立製作所 超伝導磁石装置
US7807729B2 (en) * 2003-11-19 2010-10-05 Matsumoto Yushi-Seiyaku Co., Ltd. Heat-expanded microspheres, production process thereof, heat-expandable microspheres and application thereof
DE102004007291B4 (de) * 2004-02-14 2006-09-21 Bruker Biospin Gmbh Hybrid-Magnetanordnung
CN1926443B (zh) * 2004-03-03 2010-09-01 皇家飞利浦电子股份有限公司 具有增强器铁的磁共振成像扫描仪
CN100434038C (zh) 2004-03-05 2008-11-19 西门子（中国）有限公司 磁共振成像设备磁场的调节装置
JP4822439B2 (ja) * 2004-05-31 2011-11-24 株式会社日立メディコ 磁気共鳴イメージング装置
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
JP4639948B2 (ja) * 2005-05-17 2011-02-23 三菱電機株式会社 磁石装置及びそれを用いた磁気共鳴イメージング装置
GB2436364B (en) * 2006-03-21 2008-07-02 Siemens Magnet Technology Ltd Apparatus for shimming a magnetic field
GB2436365B (en) * 2006-03-21 2008-04-02 Siemens Magnet Technology Ltd Apparatus and method for shimming the magnetic field generated by a magnet
US7295012B1 (en) 2006-04-28 2007-11-13 General Electric Company Methods and apparatus for MRI shim elements
JP4237786B2 (ja) * 2006-09-27 2009-03-11 株式会社日立製作所 核磁気共鳴信号用ソレノイドコイル及び核磁気共鳴用プローブ
CH697642B1 (de) * 2007-05-15 2008-12-31 Philippe Saint Ger Ag Verfahren zur Beeinflussung der magnetischen Kopplung zwischen zwei voneinander beabstandeten Körpern sowie Vorrichtung zur Durchführung des Verfahrens.
JP4368909B2 (ja) * 2007-05-25 2009-11-18 三菱電機株式会社 超電導マグネットの磁場調整装置及び磁場調整方法
CN102150222B (zh) * 2008-06-24 2014-05-28 艾伯塔健康服务中心 用于限定用于成像体积的磁场的磁组件和方法
JP6138600B2 (ja) * 2013-06-12 2017-05-31 ジャパンスーパーコンダクタテクノロジー株式会社 磁場発生装置
CN107342146B (zh) * 2017-08-29 2023-04-25 广东电网有限责任公司电力科学研究院 一种含磁环的高温超导磁体
CN107809836A (zh) * 2017-12-13 2018-03-16 合肥中科离子医学技术装备有限公司 一种用于超导磁体的拉杆机构
CN108939324B (zh) * 2018-08-29 2023-07-18 合肥中科离子医学技术装备有限公司 一种用于回旋加速器超导磁体的拉杆预紧机构
US10945631B2 (en) 2019-07-18 2021-03-16 Sigwa Company, Llc Magnet assembly for magnetic resonance imaging (MRI) scanning system
CN115762953B (zh) * 2023-01-10 2023-06-02 苏州八匹马超导科技有限公司 超导磁体冷却装置及超导磁体设备
CN118729669A (zh) * 2023-03-30 2024-10-01 青岛海尔电冰箱有限公司 一种储物容器及冰箱

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8502340A (nl) * 1985-08-26 1987-03-16 Philips Nv Magnetisch resonantie apparaat met veld homogeniserende magnetische elementen.
JPH0728857B2 (ja) * 1986-03-07 1995-04-05 株式会社日立製作所 核磁気共鳴を用いた検査装置
US5134374A (en) * 1989-06-01 1992-07-28 Applied Superconetics Magnetic field control apparatus
JPH0454938A (ja) * 1990-06-22 1992-02-21 Siemens Asahi Medeitetsuku Kk 磁界発生装置
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
US5550472A (en) * 1995-04-13 1996-08-27 Picker International, Inc. Combined radio frequency coil with integral magnetic field shim set
US5565831A (en) * 1995-10-23 1996-10-15 General Electric Company Shielded and open MRI magnet
GB2309305B (en) * 1996-01-19 2000-05-31 Oxford Magnet Tech Improvements in or relating to MRI magnets
JPH09238917A (ja) 1996-03-11 1997-09-16 Toshiba Corp 磁気共鳴診断用コイルアセンブリ
US5677630A (en) * 1996-10-21 1997-10-14 General Electric Company Planar superconducting MRI magnet
JPH10127602A (ja) 1996-10-30 1998-05-19 Hitachi Medical Corp 超電導磁石装置
JP3794109B2 (ja) 1997-05-29 2006-07-05 株式会社日立メディコ 静磁場発生装置
US6218838B1 (en) * 1998-08-28 2001-04-17 Picker International, Inc. MRI magnet with high homogeneity, patient access, and low forces on the driver coils
US6255928B1 (en) * 1998-11-02 2001-07-03 General Electric Company Magnet having a shim for a laminated pole piece
US6169404B1 (en) * 1998-12-18 2001-01-02 General Electric Company Vibration cancellation for C-shaped superconducting magnet
US5999076A (en) * 1998-12-30 1999-12-07 General Electric Company Magnetic resonance imaging passively shimmed superconducting magnet assembly
JP2001078982A (ja) * 1999-09-16 2001-03-27 Hitachi Medical Corp 開放型磁石装置
US6275129B1 (en) * 1999-10-26 2001-08-14 General Electric Company Shim assembly for a magnet and method for making
GB2355800B (en) * 1999-10-29 2004-10-27 Oxford Magnet Tech Improved magnet

Also Published As

Publication number Publication date
US20040051613A1 (en) 2004-03-18
US6707359B2 (en) 2004-03-16
EP1260827B1 (de) 2008-12-31
US20030011456A1 (en) 2003-01-16
US6847279B2 (en) 2005-01-25
EP1260827A3 (de) 2004-10-13
EP1260827A2 (de) 2002-11-27

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