JP2000060823A5 - - Google Patents

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Publication number
JP2000060823A5
JP2000060823A5 JP1999225896A JP22589699A JP2000060823A5 JP 2000060823 A5 JP2000060823 A5 JP 2000060823A5 JP 1999225896 A JP1999225896 A JP 1999225896A JP 22589699 A JP22589699 A JP 22589699A JP 2000060823 A5 JP2000060823 A5 JP 2000060823A5
Authority
JP
Japan
Prior art keywords
wall
magnet assembly
conductive layer
assembly according
conductive
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.)
Granted
Application number
JP1999225896A
Other languages
English (en)
Japanese (ja)
Other versions
JP4341109B2 (ja
JP2000060823A (ja
Filing date
Publication date
Priority claimed from US09/134,764 external-priority patent/US6157276A/en
Application filed filed Critical
Publication of JP2000060823A publication Critical patent/JP2000060823A/ja
Publication of JP2000060823A5 publication Critical patent/JP2000060823A5/ja
Application granted granted Critical
Publication of JP4341109B2 publication Critical patent/JP4341109B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP22589699A 1998-08-14 1999-08-10 非導電性内壁を有するｍｒｉ磁石アセンブリ Expired - Fee Related JP4341109B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/134764 1998-08-14
US09/134,764 US6157276A (en) 1998-08-14 1998-08-14 MRI magnet assembly with non-conductive inner wall

Publications (3)

Publication Number Publication Date
JP2000060823A JP2000060823A (ja) 2000-02-29
JP2000060823A5 true JP2000060823A5 (enExample) 2008-10-23
JP4341109B2 JP4341109B2 (ja) 2009-10-07

Family

ID=22464884

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22589699A Expired - Fee Related JP4341109B2 (ja) 1998-08-14 1999-08-10 非導電性内壁を有するｍｒｉ磁石アセンブリ

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
US6556012B2 (en) 2000-01-21 2003-04-29 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus
US6954068B1 (en) 2000-01-21 2005-10-11 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
US6567685B2 (en) * 2000-01-21 2003-05-20 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
US7400146B2 (en) 2002-05-08 2008-07-15 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
ATE420375T1 (de) * 2004-06-17 2009-01-15 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
JP2009520576A (ja) * 2005-12-20 2009-05-28 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 長手方向磁場傾斜システムを有する磁気共鳴スキャナ
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
ES2373798T3 (es) * 2008-07-10 2012-02-08 Bruker Hts Gmbh Criostato para un acondicionador de potencia eléctrica.
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
CA2904267C (en) 2010-10-13 2018-05-01 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
US9322892B2 (en) 2011-12-20 2016-04-26 General Electric Company System for magnetic field distortion compensation and method of making same
US9279871B2 (en) 2011-12-20 2016-03-08 General Electric Company System and apparatus for compensating for magnetic field distortion in an MRI system
EP2845037B1 (en) 2012-04-30 2023-03-08 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

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