DE69708345T2 - Verbesserungen an Magneten für die bildgebende magnetische Resonanz - Google Patents

Verbesserungen an Magneten für die bildgebende magnetische Resonanz

Info

Publication number
DE69708345T2
DE69708345T2 DE69708345T DE69708345T DE69708345T2 DE 69708345 T2 DE69708345 T2 DE 69708345T2 DE 69708345 T DE69708345 T DE 69708345T DE 69708345 T DE69708345 T DE 69708345T DE 69708345 T2 DE69708345 T2 DE 69708345T2
Authority
DE
Germany
Prior art keywords
magnets
magnetic resonance
imaging magnetic
imaging
resonance
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 - Fee Related
Application number
DE69708345T
Other languages
English (en)
Other versions
DE69708345D1 (de
Inventor
Alex Francis Byrne
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.)
Siemens Magnet Technology Ltd
Original Assignee
Oxford Magnet Technology 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 Oxford Magnet Technology Ltd filed Critical Oxford Magnet Technology Ltd
Application granted granted Critical
Publication of DE69708345D1 publication Critical patent/DE69708345D1/de
Publication of DE69708345T2 publication Critical patent/DE69708345T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Insulating Of Coils (AREA)
DE69708345T 1996-01-19 1997-01-13 Verbesserungen an Magneten für die bildgebende magnetische Resonanz Expired - Fee Related DE69708345T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9601113A GB2309305B (en) 1996-01-19 1996-01-19 Improvements in or relating to MRI magnets

Publications (2)

Publication Number Publication Date
DE69708345D1 DE69708345D1 (de) 2002-01-03
DE69708345T2 true DE69708345T2 (de) 2002-07-11

Family

ID=10787272

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69708345T Expired - Fee Related DE69708345T2 (de) 1996-01-19 1997-01-13 Verbesserungen an Magneten für die bildgebende magnetische Resonanz

Country Status (5)

Country Link
US (1) US5982260A (de)
EP (1) EP0785442B1 (de)
JP (1) JP3802174B2 (de)
DE (1) DE69708345T2 (de)
GB (1) GB2309305B (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5923169A (en) * 1997-11-18 1999-07-13 Picker Nordstar Corporation Magnetic resonance imaging system with floating pole pieces
JPH11318857A (ja) * 1998-03-05 1999-11-24 General Electric Co <Ge> 開放型磁石
GB2355798B (en) 1999-10-26 2004-05-19 Oxford Magnet Tech Improved magnetic coil former
US6570475B1 (en) * 2000-11-20 2003-05-27 Intermagnetics General Corp. Split type magnetic resonance imaging magnet
JP3847079B2 (ja) * 2000-11-21 2006-11-15 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 Ｍｒｉ装置
EP1260827B1 (de) * 2001-05-17 2008-12-31 Mitsubishi Denki Kabushiki Kaisha Supraleitender Magnet für die bildgebende magnetische Resonanz
JP2005531384A (ja) * 2002-07-04 2005-10-20 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 振動に対する減衰効果を持つ導通部材を有するｍｒｉシステム
JP3624254B1 (ja) * 2003-09-30 2005-03-02 株式会社日立製作所 超伝導磁石装置
JP4541092B2 (ja) 2004-10-04 2010-09-08 株式会社日立製作所 磁気共鳴イメージング装置の超伝導磁石装置
JP2006115934A (ja) * 2004-10-19 2006-05-11 Mitsubishi Electric Corp 磁石装置及びそれを用いた磁気共鳴イメージング装置
US7439836B2 (en) * 2005-12-28 2008-10-21 General Electric Company Magnetic field generating apparatus for magnetic resonance imaging
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
JP2007220907A (ja) * 2006-02-16 2007-08-30 Japan Superconductor Technology Inc 超電導磁石装置及びその運転方法
US7560929B2 (en) * 2006-08-14 2009-07-14 Fonar Corporation Ferromagnetic frame magnet with superconducting coils
JP4921935B2 (ja) * 2006-11-22 2012-04-25 株式会社日立製作所 電磁石装置及び磁気共鳴撮像装置
EP1962100A1 (de) * 2007-02-20 2008-08-27 Esaote S.p.A. Magnetische Struktur für MRI-Maschinen und MRI-Maschine speziell für orthopädische oder rheumatologische Anwendungen
US20100219833A1 (en) * 2007-07-26 2010-09-02 Emscan Limited Magnet assembly
JP4762226B2 (ja) * 2007-12-20 2011-08-31 三菱電機株式会社 超電導磁石装置
US9864022B2 (en) 2012-09-27 2018-01-09 Hitachi, Ltd. Superconducting magnet device and magnetic resonance imaging device
EP2785154B1 (de) * 2013-03-29 2015-10-21 Ion Beam Applications S.A. Kompaktes supraleitendes Zyklotron

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4766378A (en) * 1986-11-28 1988-08-23 Fonar Corporation Nuclear magnetic resonance scanners
US5136273A (en) * 1988-10-17 1992-08-04 Kabushiki Kaisha Toshiba Magnet apparatus for use in a magnetic resonance imaging system
US5134374A (en) * 1989-06-01 1992-07-28 Applied Superconetics Magnetic field control apparatus
DE4010032C2 (de) * 1990-03-29 1994-03-03 Bruker Analytische Messtechnik Magnetsystem
JPH04240440A (ja) * 1991-01-23 1992-08-27 Toshiba Corp Ｍｒｉ装置用マグネット
US5423289A (en) * 1991-07-09 1995-06-13 Larsen; Owen M. Gate assembly for milking shed
US5412363A (en) * 1991-12-20 1995-05-02 Applied Superconetics, Inc. Open access superconducting MRI magnet
US5315276A (en) * 1992-01-29 1994-05-24 Hewlett Packard Company Compact superconducting magnet for magnetic resonance imaging
US5381122A (en) 1994-01-14 1995-01-10 General Electric Company Open MRI magnet having a support structure
JPH09190913A (ja) * 1996-01-10 1997-07-22 Hitachi Medical Corp 超電導磁石装置及びそれを用いた磁気共鳴イメージング装置

Also Published As

Publication number Publication date
GB2309305A (en) 1997-07-23
EP0785442A1 (de) 1997-07-23
DE69708345D1 (de) 2002-01-03
JPH09223620A (ja) 1997-08-26
EP0785442B1 (de) 2001-11-21
US5982260A (en) 1999-11-09
GB2309305B (en) 2000-05-31
JP3802174B2 (ja) 2006-07-26
GB9601113D0 (en) 1996-03-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee