JP2004174243A5 - - Google Patents

Download PDF

Info

Publication number
JP2004174243A5
JP2004174243A5 JP2003391555A JP2003391555A JP2004174243A5 JP 2004174243 A5 JP2004174243 A5 JP 2004174243A5 JP 2003391555 A JP2003391555 A JP 2003391555A JP 2003391555 A JP2003391555 A JP 2003391555A JP 2004174243 A5 JP2004174243 A5 JP 2004174243A5
Authority
JP
Japan
Prior art keywords
radius
main coil
support structure
axis
coil
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.)
Pending
Application number
JP2003391555A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004174243A (ja
Filing date
Publication date
Priority claimed from US10/065,848 external-priority patent/US7242191B2/en
Application filed filed Critical
Publication of JP2004174243A publication Critical patent/JP2004174243A/ja
Publication of JP2004174243A5 publication Critical patent/JP2004174243A5/ja
Pending legal-status Critical Current

Links

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

Family

ID=29778430

Family Applications (1)

Application Number Title Priority Date Filing Date
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=)

Families Citing this family (15)

* 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
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
JP4749699B2 (ja) * 2004-11-17 2011-08-17 株式会社日立メディコ 磁気共鳴イメージング装置
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

Family Cites Families (43)

* 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
DE4416907C1 (de) * 1994-05-13 1995-09-07 Bruker Analytische Messtechnik Therapietomograph mit Homogenisierungseinrichtung
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
US6078234A (en) * 1998-07-09 2000-06-20 General Electric Company Helium vessel for open architecture magnetic resonance imaging superconducting 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
GB2355798B (en) * 1999-10-26 2004-05-19 Oxford Magnet Tech Improved magnetic coil former
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
US6150912A (en) * 1999-11-15 2000-11-21 General Electric Company Open architecture superconducting magnet helium vessel structure
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
US6909348B2 (en) * 2000-12-05 2005-06-21 Hitachi, Ltd. Low-leakage magnetic-field magnet and shield coil assembly
US6504461B2 (en) * 2001-03-26 2003-01-07 General Electric Company Open magnet with recessed field shaping coils
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

Similar Documents

Publication Publication Date Title
JP2004174243A5 (https=)
JP2009066399A (ja) マグネットシステムおよびｍｒｉ装置
JP2004538744A5 (https=)
JP2005304225A5 (https=)
JP5722690B2 (ja) 発電装置
US6359997B2 (en) Loudspeaker having radially magnetized magnetic ring
JP2010232646A (ja) 永久磁石式磁界発生装置
JP2017502755A5 (https=)
CN106160325B (zh) 一种轮毂电机
JP2013514846A5 (https=)
JP2011047765A5 (https=)
CN1758068A (zh) 磁共振成像装置的超导电磁铁装置
JP2008005670A5 (https=)
JP2004015873A (ja) 回転電動機用ロータ構造
JP2015130782A (ja) 自転車用発電機
CN202616905U (zh) 内置式永磁电机转子
JP2005076792A5 (https=)
JP2006340430A5 (https=)
CN117253844B (zh) 六自由度圆弧形磁浮微动台及器件转移装置
JP2018102044A5 (https=)
JP2001070284A5 (https=)
JP5340809B2 (ja) モータ用マグネット、およびモータ
JPWO2024161532A5 (https=)
JP2001069743A5 (https=)
TWI424255B (zh) 鏡頭驅動裝置