DE69932477D1 - Magnetanordnung für die bildgebende Magnetresonanz mit nichtleitender innerer Wand - Google Patents

Magnetanordnung für die bildgebende Magnetresonanz mit nichtleitender innerer Wand

Info

Publication number
DE69932477D1
DE69932477D1 DE69932477T DE69932477T DE69932477D1 DE 69932477 D1 DE69932477 D1 DE 69932477D1 DE 69932477 T DE69932477 T DE 69932477T DE 69932477 T DE69932477 T DE 69932477T DE 69932477 D1 DE69932477 D1 DE 69932477D1
Authority
DE
Germany
Prior art keywords
magnetic
wall
resonance imaging
conductive inner
magnetic 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
DE69932477T
Other languages
German (de)
English (en)
Inventor
Robert Arvin Hedeen
Sayed-Amr El-Hamamsy
Kenneth Gordon Herd
William Alan Edelstein
Robert Adolph Ackermann
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE69932477D1 publication Critical patent/DE69932477D1/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
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3854—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils means for active and/or passive vibration damping or acoustical noise suppression in gradient magnet coil systems
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/879—Magnet or electromagnet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/888—Refrigeration
    • Y10S505/892—Magnetic device cooling
    • Y10S505/893—Spectrometer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/888—Refrigeration
    • Y10S505/898—Cryogenic envelope

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE69932477T 1998-08-14 1999-08-03 Magnetanordnung für die bildgebende Magnetresonanz mit nichtleitender innerer Wand Expired - Fee Related DE69932477D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/134,764 US6157276A (en) 1998-08-14 1998-08-14 MRI magnet assembly with non-conductive inner wall

Publications (1)

Publication Number Publication Date
DE69932477D1 true DE69932477D1 (de) 2006-09-07

Family

ID=22464884

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69932477T Expired - Fee Related DE69932477D1 (de) 1998-08-14 1999-08-03 Magnetanordnung für die bildgebende Magnetresonanz mit nichtleitender innerer Wand

Country Status (4)

Country Link
US (1) US6157276A (enExample)
EP (1) EP0981057B1 (enExample)
JP (1) JP4341109B2 (enExample)
DE (1) DE69932477D1 (enExample)

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DE19940550C1 (de) * 1999-08-26 2001-05-23 Siemens Ag Magnetresonanztomographiegerät mit vakuumisoliertem Gradientenspulensystem
DE19940551C1 (de) * 1999-08-26 2001-05-23 Siemens Ag Magnetresonanztomographiegerät mit schwingungsentkoppelter äußerer Hülle
US6324851B1 (en) * 1999-12-09 2001-12-04 Abb Power T&D Company Inc. Cryostat for use with a superconducting transformer
US6567685B2 (en) * 2000-01-21 2003-05-20 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus
US6556012B2 (en) 2000-01-21 2003-04-29 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus
JP2002200055A (ja) * 2000-12-28 2002-07-16 Toshiba Medical System Co Ltd 磁気共鳴イメージング装置
US6954068B1 (en) 2000-01-21 2005-10-11 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus
US6437568B1 (en) * 2000-10-02 2002-08-20 General Electric Company Low noise MRI scanner
US6564900B1 (en) * 2000-11-22 2003-05-20 Ge Medical Systems Global Technology Company, Llc Method and apparatus for reducing acoustic noise in MRI scanners
US7013553B2 (en) * 2001-06-20 2006-03-21 General Electric Company Superconducting magnet coil support structure
DE10229491C2 (de) 2001-07-23 2003-05-22 Siemens Ag Kernspin-Tomographiegerät mit dämpfenden Schichtblechen zur Schwingungsreduktion
AU2003223037A1 (en) * 2002-05-08 2003-11-11 Koninklijke Philips Electronics N.V. Magnetic resonance imaging apparatus with reduced noise production
US7411331B2 (en) * 2002-05-10 2008-08-12 Massachusetts Institute Of Technology Dielectric elastomer actuated systems and methods
US7362889B2 (en) * 2002-05-10 2008-04-22 Massachusetts Institute Of Technology Elastomeric actuator devices for magnetic resonance imaging
US6883226B2 (en) * 2002-09-12 2005-04-26 Ge Medical Systems Global Technology Company, Llc Near net shape coil support structure
US6783059B2 (en) * 2002-12-23 2004-08-31 General Electric Company Conduction cooled passively-shielded MRI magnet
GB2408804B (en) * 2003-12-05 2006-11-01 Ge Med Sys Global Tech Co Llc Near net shape coil support structure
DE602005012265D1 (de) * 2004-06-17 2009-02-26 Koninkl Philips Electronics Nv Magnetresonanzabbildungssystem mit eisenunterstütztem magnetfeldgradientensystem
DE102004043988B3 (de) * 2004-09-11 2006-05-11 Bruker Biospin Gmbh Supraleitfähige Magnetspulenanrordnung
US7705701B2 (en) * 2005-07-15 2010-04-27 General Electric Company Thin metal layer vacuum vessels with composite structural support
CN101341418A (zh) * 2005-12-20 2009-01-07 皇家飞利浦电子股份有限公司 具有纵向磁场梯度系统的磁共振扫描仪
DE102006000923B4 (de) * 2006-01-05 2009-10-29 Siemens Ag Magnetresonanzeinrichtung, umfassend ein einen Magneten nebst Kühleinrichtung enthaltendes, vorzugsweise im Wesentlichen zylindrisches Vakuumgehäuse
US7518370B2 (en) * 2006-11-30 2009-04-14 General Electric Company Low eddy current vacuum vessel and method of making same
ATE531053T1 (de) * 2008-07-10 2011-11-15 Bruker Hts Gmbh Kryostat für ein elektrisches stromversorgungsgerät
US20100102908A1 (en) * 2008-10-24 2010-04-29 Wang Nmr Inc Annular multi-cell endless box girder apparatus for a quench avoidant coldmass in an mri magnet
US10371653B2 (en) 2010-10-13 2019-08-06 Perm Instruments Inc. Multi-phase metering device for oilfield applications
CA2717541C (en) * 2010-10-13 2016-02-16 Perm Instruments Inc. Multi-phase metering device for oilfield applications
JP5361918B2 (ja) * 2011-02-07 2013-12-04 東芝医用システムエンジニアリング株式会社 磁気共鳴イメージング装置
JP5361919B2 (ja) * 2011-02-07 2013-12-04 東芝医用システムエンジニアリング株式会社 磁気共鳴イメージング装置
JP5361917B2 (ja) * 2011-02-07 2013-12-04 東芝医用システムエンジニアリング株式会社 磁気共鳴イメージング装置
US9279871B2 (en) 2011-12-20 2016-03-08 General Electric Company System and apparatus for compensating for magnetic field distortion in an MRI system
US9322892B2 (en) 2011-12-20 2016-04-26 General Electric Company System for magnetic field distortion compensation and method of making same
US9846207B2 (en) 2012-04-30 2017-12-19 Children's Hospital Medical Center Acoustic noise reducing RF coil for magnetic resonance imaging
GB2503460B (en) * 2012-06-26 2014-08-13 Siemens Plc Method and apparatus for reduction of gradient coil vibration in MRI systems
US9274188B2 (en) 2012-11-30 2016-03-01 General Electric Company System and apparatus for compensating for magnetic field distortion in an MRI system
DE102013202163A1 (de) * 2013-02-11 2014-08-14 Siemens Aktiengesellschaft Magnetresonanzvorrichtung
GB2545436B (en) * 2015-12-15 2018-04-11 Siemens Healthcare Ltd A cylindrical superconducting magnet with a shield of ferromagnetic material

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US4492090A (en) * 1983-09-19 1985-01-08 General Electric Company Cryostat for NMR magnet
US4642569A (en) * 1983-12-16 1987-02-10 General Electric Company Shield for decoupling RF and gradient coils in an NMR apparatus
US4771256A (en) * 1987-04-02 1988-09-13 General Electric Company Integral shield for mr magnet
US4881035A (en) * 1987-11-24 1989-11-14 Siemens Aktiengesellschaft Magnetic structural arrangement of an installation for nuclear magnetic resonance tomography with superconducting background field coils and normal-conducting gradient coils
JPH01208817A (ja) * 1988-02-17 1989-08-22 Fuji Electric Co Ltd 核磁気共鳴形診断装置のマグネット装置
DE3833592A1 (de) * 1988-10-03 1990-04-05 Philips Patentverwaltung Vorrichtung zur geraeuschdaempfung und hochfrequenz-abschirmung des patienten-aufnahmeraumes im feld des magneten eines mr-tomographiegeraetes
US4896128A (en) * 1988-11-30 1990-01-23 General Electric Company Support structure for high field magnet coils
US4879515A (en) * 1988-12-22 1989-11-07 General Electric Company Double-sided RF shield for RF coil contained within gradient coils of NMR imaging device
US4910462A (en) * 1989-04-28 1990-03-20 General Electric Company Etched Z-axis gradient coils for NMR system
US4986078A (en) * 1989-08-17 1991-01-22 General Electric Company Refrigerated MR magnet support system
US5001447A (en) * 1989-08-23 1991-03-19 General Electric Company Ferromagnetic compensation rings for high field strength magnets
US5034713A (en) * 1990-04-06 1991-07-23 General Electric Company Radial support system for a MR magnet
US5278502A (en) * 1991-09-13 1994-01-11 General Electric Company Refrigerated superconducting MR magnet with integrated cryogenic gradient coils
US5489848A (en) * 1992-09-08 1996-02-06 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus
US5442928A (en) * 1994-08-05 1995-08-22 General Electric Hybrid cooling system for a superconducting magnet
US5635839A (en) * 1994-11-04 1997-06-03 Picker International, Inc. High order passive shimming assembly for MRI magnets
US5550472A (en) * 1995-04-13 1996-08-27 Picker International, Inc. Combined radio frequency coil with integral magnetic field shim set
US5530413A (en) * 1995-10-20 1996-06-25 General Electric Company Superconducting magnet with re-entrant tube suspension resistant to buckling

Also Published As

Publication number Publication date
EP0981057A3 (en) 2001-10-17
US6157276A (en) 2000-12-05
JP4341109B2 (ja) 2009-10-07
EP0981057B1 (en) 2006-07-26
JP2000060823A (ja) 2000-02-29
EP0981057A2 (en) 2000-02-23

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee