JP2004174243A - 能動遮蔽式の高磁界開放型ｍｒｉ磁石の低温マス支持構造体及びヘリウム容器 - Google Patents

能動遮蔽式の高磁界開放型ｍｒｉ磁石の低温マス支持構造体及びヘリウム容器 Download PDF

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Publication number
JP2004174243A
JP2004174243A JP2003391555A JP2003391555A JP2004174243A JP 2004174243 A JP2004174243 A JP 2004174243A JP 2003391555 A JP2003391555 A JP 2003391555A JP 2003391555 A JP2003391555 A JP 2003391555A JP 2004174243 A JP2004174243 A JP 2004174243A
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Japan
Prior art keywords
coil
magnetic field
coils
support structure
shaping
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Pending
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JP2003391555A
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Japanese (ja)
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JP2004174243A5 (https=
Inventor
Evangelos Laskaris
エバンゲロス・ラスカリス
Xianrui Huang
シエンルイ・ファン
Michele Dollar Ogle
ミシェル・ダラー・オグル
Michael A Palmo
マイケル・エー・パルモ
Paul S Thompson
ポール・エス・トンプソン
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General Electric Co
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General Electric Co
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Application filed by General Electric Co filed Critical General Electric Co
Publication of JP2004174243A publication Critical patent/JP2004174243A/ja
Publication of JP2004174243A5 publication Critical patent/JP2004174243A5/ja
Pending legal-status Critical Current

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    • 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
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00—Superconducting magnets; Superconducting coils

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2003391555A 2002-11-25 2003-11-21 能動遮蔽式の高磁界開放型ｍｒｉ磁石の低温マス支持構造体及びヘリウム容器 Pending JP2004174243A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/065,848 US7242191B2 (en) 2002-11-25 2002-11-25 Cold mass support structure and helium vessel of actively shielded high field open MRI magnets

Publications (2)

Publication Number Publication Date
JP2004174243A true JP2004174243A (ja) 2004-06-24
JP2004174243A5 JP2004174243A5 (https=) 2009-02-12

Family

ID=29778430

Family Applications (1)

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JP2003391555A Pending JP2004174243A (ja) 2002-11-25 2003-11-21 能動遮蔽式の高磁界開放型ｍｒｉ磁石の低温マス支持構造体及びヘリウム容器

Country Status (6)

Country Link
US (1) US7242191B2 (https=)
JP (1) JP2004174243A (https=)
CN (1) CN100504431C (https=)
DE (1) DE10352647A1 (https=)
GB (1) GB2397381B (https=)
NL (1) NL1024853C2 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006102060A (ja) * 2004-10-04 2006-04-20 Hitachi Ltd 磁気共鳴イメージング装置の超伝導磁石装置
JP2006141541A (ja) * 2004-11-17 2006-06-08 Hitachi Medical Corp 磁気共鳴イメージング装置

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7242191B2 (en) * 2002-11-25 2007-07-10 General Electric Company Cold mass support structure and helium vessel of actively shielded high field open MRI magnets
US7141974B2 (en) * 2003-08-25 2006-11-28 William A Edelstein Active-passive electromagnetic shielding to reduce MRI acoustic noise
EP1751570A1 (en) * 2004-05-14 2007-02-14 Koninklijke Philips Electronics N.V. Short element tem coil for ultra-high field mr
US20060017536A1 (en) * 2004-07-26 2006-01-26 General Electric Company Systems, methods and apparatus for hybrid shielding in a magnetic resonance imaging system
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
JP4856430B2 (ja) * 2006-01-23 2012-01-18 株式会社日立製作所 電磁石装置
US7375526B2 (en) * 2006-10-20 2008-05-20 Edelstein William A Active-passive electromagnetic shielding to reduce MRI acoustic noise
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
US20100219833A1 (en) * 2007-07-26 2010-09-02 Emscan Limited Magnet assembly
DE102008053845B4 (de) * 2008-10-30 2011-01-20 Siemens Aktiengesellschaft Profilrahmenstruktur für eine Magnetresonanzeinrichtung
US7924010B2 (en) * 2009-03-25 2011-04-12 General Electric Company Apparatus for supporting and method for forming a support for a magnetic resonance imaging (MRI) magnet
JP5111691B1 (ja) * 2012-04-20 2013-01-09 三菱電機株式会社 超電導マグネットおよびその調整方法
GB2521470B (en) * 2013-12-20 2015-11-11 Siemens Plc Support structure for cylindrical superconducting coil structure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0838456A (ja) * 1994-05-13 1996-02-13 Bruker Analytische Messtech Gmbh 均質化装置付き治療トモグラフィ装置
JP2000040615A (ja) * 1998-07-09 2000-02-08 General Electric Co <Ge> 開放構造磁気共鳴作像用超導電磁石
JP2001212109A (ja) * 1999-11-15 2001-08-07 General Electric Co <Ge> 開放設計型超伝導マグネット用ヘリウム容器構造体
WO2002049513A1 (fr) * 2000-12-05 2002-06-27 Hitachi, Ltd. Aimant a champ magnetique a faible fuite et ensemble bobinage blinde
JP2003512872A (ja) * 1999-10-26 2003-04-08 オックスフォード マグネット テクノロジー リミテッド 改良型磁気コイル成形器
JP2004529692A (ja) * 2001-03-26 2004-09-30 ゼネラル・エレクトリック・カンパニイ 埋込み形磁界成形コイルを有する開放型磁石

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3907927A1 (de) * 1989-03-11 1990-09-20 Bruker Analytische Messtechnik Magnetsystem
DE3914243A1 (de) * 1989-04-29 1990-10-31 Bruker Analytische Messtechnik Magnetsystem mit supraleitenden feldspulen
US5134374A (en) * 1989-06-01 1992-07-28 Applied Superconetics Magnetic field control apparatus
EP0525246A1 (de) * 1991-08-01 1993-02-03 Siemens Aktiengesellschaft Magneteinrichtung mit einem ein magnetisches Streufeld erzeugenden Jochkörper
US5315276A (en) * 1992-01-29 1994-05-24 Hewlett Packard Company Compact superconducting magnet for magnetic resonance imaging
US5359310A (en) * 1992-04-15 1994-10-25 Houston Advanced Research Center Ultrashort cylindrical shielded electromagnet for magnetic resonance imaging
US5307039A (en) * 1992-09-08 1994-04-26 General Electric Company Frustoconical magnet for magnetic resonance imaging
US6201394B1 (en) * 1992-12-18 2001-03-13 Fonar Corporation MRI apparatus
US5378988A (en) * 1993-01-22 1995-01-03 Pulyer; Yuly M. MRI system having high field strength open access magnet
US5428292A (en) * 1994-04-29 1995-06-27 General Electric Company Pancake MRI magnet with modified imaging volume
US5696476A (en) * 1995-07-31 1997-12-09 General Electric Company Open architecture magnetic resonance imaging superconducting magnet assembly
DE69633683T2 (de) * 1995-08-28 2006-03-09 Shin-Etsu Chemical Co., Ltd. Magnetkreisanordnung mit einander gegenüberliegenden Permanentmagneten
US5565831A (en) * 1995-10-23 1996-10-15 General Electric Company Shielded and open MRI magnet
GB2311375B (en) * 1996-03-20 2000-08-23 Oxford Magnet Tech Improvements in or relating to MRI magnets
WO1999015914A1 (en) * 1997-09-25 1999-04-01 Odin Technologies Ltd. Magnetic apparatus for mri
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
US6002255A (en) * 1997-11-20 1999-12-14 Brigham & Women's Hospital Planar open magnet MRI system having active target field shimming
JP4247948B2 (ja) * 1997-12-01 2009-04-02 株式会社日立メディコ 磁石装置及びｍｒｉ装置
US5883558A (en) * 1998-02-19 1999-03-16 General Electric Company Open superconductive magnet having shielding
US5994991A (en) * 1998-02-19 1999-11-30 General Electric Company Open magnet having shielding
US5874882A (en) * 1998-02-19 1999-02-23 General Electric Company Open and shielded superconductive magnet
US5874880A (en) * 1998-03-05 1999-02-23 General Electric Company Shielded and open superconductive magnet
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
US6150819A (en) * 1998-11-24 2000-11-21 General Electric Company Laminate tiles for an MRI system and method and apparatus for manufacturing the laminate tiles
US6259252B1 (en) * 1998-11-24 2001-07-10 General Electric Company Laminate tile pole piece for an MRI, a method manufacturing the pole piece and a mold bonding pole piece tiles
US6011454A (en) * 1998-12-30 2000-01-04 Huang; Xianrui Superconducting magnet suspension assembly
US6172588B1 (en) * 1999-04-23 2001-01-09 General Electric Company Apparatus and method for a superconductive magnet with pole piece
GB2355800B (en) * 1999-10-29 2004-10-27 Oxford Magnet Tech Improved magnet
US6166617A (en) * 1999-11-09 2000-12-26 General Electric Company Pole piece assembly and open magnet having same
US6147579A (en) * 1999-11-17 2000-11-14 General Electric Company Superconducting magnet non-uniform thermal insulation blankets
AU2001228228A1 (en) * 2000-01-19 2001-07-31 Millennium Technology Inc. C-shaped magnetic resonance imaging system
US6335670B1 (en) * 2000-04-14 2002-01-01 Marconi Medical Systems Finland, Inc. Mri system with split rose ring with high homogeneity
WO2002027346A1 (en) * 2000-09-26 2002-04-04 Koninklijke Philips Electronics N.V. Vertical field type mri apparatus with a conical gradient coil situated in the main magnet
US6570475B1 (en) * 2000-11-20 2003-05-27 Intermagnetics General Corp. Split type magnetic resonance imaging magnet
US6717408B2 (en) * 2001-04-05 2004-04-06 Intermagnetics General Corporation Support structure for open MRI apparatus
AU2002353408A1 (en) * 2001-12-21 2003-07-09 Koninklijke Philips Electronics N.V. Cooling of a mri system
US7242191B2 (en) * 2002-11-25 2007-07-10 General Electric Company Cold mass support structure and helium vessel of actively shielded high field open MRI magnets

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0838456A (ja) * 1994-05-13 1996-02-13 Bruker Analytische Messtech Gmbh 均質化装置付き治療トモグラフィ装置
JP2000040615A (ja) * 1998-07-09 2000-02-08 General Electric Co <Ge> 開放構造磁気共鳴作像用超導電磁石
JP2003512872A (ja) * 1999-10-26 2003-04-08 オックスフォード マグネット テクノロジー リミテッド 改良型磁気コイル成形器
JP2001212109A (ja) * 1999-11-15 2001-08-07 General Electric Co <Ge> 開放設計型超伝導マグネット用ヘリウム容器構造体
WO2002049513A1 (fr) * 2000-12-05 2002-06-27 Hitachi, Ltd. Aimant a champ magnetique a faible fuite et ensemble bobinage blinde
JP2004529692A (ja) * 2001-03-26 2004-09-30 ゼネラル・エレクトリック・カンパニイ 埋込み形磁界成形コイルを有する開放型磁石

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006102060A (ja) * 2004-10-04 2006-04-20 Hitachi Ltd 磁気共鳴イメージング装置の超伝導磁石装置
JP2006141541A (ja) * 2004-11-17 2006-06-08 Hitachi Medical Corp 磁気共鳴イメージング装置

Also Published As

Publication number Publication date
CN1523369A (zh) 2004-08-25
GB0326962D0 (en) 2003-12-24
DE10352647A1 (de) 2004-06-03
GB2397381B (en) 2007-06-27
US20040100261A1 (en) 2004-05-27
CN100504431C (zh) 2009-06-24
NL1024853C2 (nl) 2005-01-04
NL1024853A1 (nl) 2004-05-26
US7242191B2 (en) 2007-07-10
GB2397381A (en) 2004-07-21

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