JP2008125893A5 - - Google Patents

Download PDF

Info

Publication number
JP2008125893A5
JP2008125893A5 JP2006315907A JP2006315907A JP2008125893A5 JP 2008125893 A5 JP2008125893 A5 JP 2008125893A5 JP 2006315907 A JP2006315907 A JP 2006315907A JP 2006315907 A JP2006315907 A JP 2006315907A JP 2008125893 A5 JP2008125893 A5 JP 2008125893A5
Authority
JP
Japan
Prior art keywords
magnetic field
coil
region
static magnetic
annular current
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
JP2006315907A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008125893A (ja
JP4921935B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2006315907A priority Critical patent/JP4921935B2/ja
Priority claimed from JP2006315907A external-priority patent/JP4921935B2/ja
Priority to PCT/JP2007/068154 priority patent/WO2008062599A1/ja
Priority to US12/516,077 priority patent/US8698499B2/en
Publication of JP2008125893A publication Critical patent/JP2008125893A/ja
Publication of JP2008125893A5 publication Critical patent/JP2008125893A5/ja
Application granted granted Critical
Publication of JP4921935B2 publication Critical patent/JP4921935B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2006315907A 2006-11-22 2006-11-22 電磁石装置及び磁気共鳴撮像装置 Expired - Fee Related JP4921935B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2006315907A JP4921935B2 (ja) 2006-11-22 2006-11-22 電磁石装置及び磁気共鳴撮像装置
PCT/JP2007/068154 WO2008062599A1 (en) 2006-11-22 2007-09-19 Electromagnet device and magnetic resonance imaging device
US12/516,077 US8698499B2 (en) 2006-11-22 2007-09-19 Electromagnet devices compatible with magnetic resonance and MRI devices where circulating current directions alternate between coil groups separated by elevation angles between 26.25 and 55 degrees

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006315907A JP4921935B2 (ja) 2006-11-22 2006-11-22 電磁石装置及び磁気共鳴撮像装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2011193212A Division JP5145451B2 (ja) 2011-09-05 2011-09-05 電磁石装置及び磁気共鳴撮像装置

Publications (3)

Publication Number Publication Date
JP2008125893A JP2008125893A (ja) 2008-06-05
JP2008125893A5 true JP2008125893A5 (enExample) 2010-03-18
JP4921935B2 JP4921935B2 (ja) 2012-04-25

Family

ID=39429540

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006315907A Expired - Fee Related JP4921935B2 (ja) 2006-11-22 2006-11-22 電磁石装置及び磁気共鳴撮像装置

Country Status (3)

Country Link
US (1) US8698499B2 (enExample)
JP (1) JP4921935B2 (enExample)
WO (1) WO2008062599A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2014074475A1 (en) * 2012-11-07 2014-05-15 Emmetrope Ophthalmics Llc Magnetic eye shields and methods of treatment and diagnosis using the same
KR102529747B1 (ko) * 2016-05-23 2023-05-08 삼성에스디아이 주식회사 무선 충전 장치 및 방법
CN112863807B (zh) * 2021-01-12 2023-03-31 福建省长汀金龙稀土有限公司 一种产生非平行磁场的方法及装置

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5307039A (en) * 1992-09-08 1994-04-26 General Electric Company Frustoconical magnet for magnetic resonance imaging
US5416415A (en) * 1994-08-05 1995-05-16 General Electric Company Over-shoulder MRI magnet for human brain imaging
US5396207A (en) * 1994-08-05 1995-03-07 General Electric Company On-shoulder MRI magnet for human brain imaging
EP0774670B1 (de) * 1995-11-16 2002-05-02 Siemens Aktiengesellschaft Magnetanordnung für ein diagnostisches Magnetresonanzgerät
GB2309305B (en) * 1996-01-19 2000-05-31 Oxford Magnet Tech Improvements in or relating to MRI magnets
JPH09238917A (ja) * 1996-03-11 1997-09-16 Toshiba Corp 磁気共鳴診断用コイルアセンブリ
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
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
US5994991A (en) 1998-02-19 1999-11-30 General Electric Company Open magnet having shielding
GB2355799B (en) * 1999-10-26 2004-02-04 Oxford Magnet Tech Magnet with improved access
GB2400916B (en) * 1999-10-29 2004-12-29 Oxford Magnet Tech Improved magnet
US6335670B1 (en) * 2000-04-14 2002-01-01 Marconi Medical Systems Finland, Inc. Mri system with split rose ring with high homogeneity
WO2002027345A1 (en) * 2000-09-26 2002-04-04 Koninklijke Philips Electronics N.V. Vertical field type mri apparatus with a conical cavity situated in the main magnet
US6570475B1 (en) * 2000-11-20 2003-05-27 Intermagnetics General Corp. Split type magnetic resonance imaging magnet
US6861933B1 (en) * 2001-05-17 2005-03-01 Mitsubishi Denki Kabushiki Kaisha Superconductive magnet device
JP2002336215A (ja) * 2001-05-17 2002-11-26 Mitsubishi Electric Corp 超電導マグネット装置及び磁場均一度調整方法
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
JP4627408B2 (ja) * 2004-04-19 2011-02-09 株式会社日立メディコ 磁気共鳴イメージング装置
US7307421B2 (en) * 2003-04-23 2007-12-11 Hitachi Medical Corporation Magnetic resonance imaging device
US7109708B2 (en) * 2004-08-19 2006-09-19 General Electric Company Systems, methods and apparatus of a magnetic resonance imaging magnet to produce an asymmetrical stray field
US7498810B2 (en) * 2004-09-11 2009-03-03 General Electric Company Systems, methods and apparatus for specialized magnetic resonance imaging with dual-access conical bore
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
US7274192B2 (en) * 2005-05-31 2007-09-25 General Electric Company Combined open and closed magnet configuration for MRI
JP4856430B2 (ja) * 2006-01-23 2012-01-18 株式会社日立製作所 電磁石装置
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

Similar Documents

Publication Publication Date Title
Ren et al. Design and optimization of a ring-pair permanent magnet array for head imaging in a low-field portable MRI system
CN110573072B (zh) 开孔无场线磁性粒子成像系统
JP2009291639A (ja) 磁界発生装置
CN105390229B (zh) 一种永磁磁体及用于核磁共振成像系统的磁体装置
TWI670745B (zh) 緊湊型致偏磁體
JP2011087915A5 (enExample)
GB2489378A (en) Open-bore magnet for use in magnetic resonance imaging
ES2611195T3 (es) Generador de campo magnético para aparato térmico magnetocalórico
KR20170015235A (ko) 다이폴 링 자계 발생 장치
JP2008125893A5 (enExample)
WO2003096897A1 (fr) Dispositif generateur de champ magnetique et equipement irm utilisant ce dispositif
Tonyushkin Single-sided hybrid selection coils for field-free line magnetic particle imaging
JP2005279168A5 (enExample)
US20110241812A1 (en) Magnetic field generator based on dual permanent magnet rings
KR20120053796A (ko) 균일 분포 자기력선 발생 장치
JP2004041715A (ja) 磁界発生装置およびそれを用いたｍｒｉ装置
JP4789254B2 (ja) 水平静磁場方式の楕円筒状ガントリおよびそれに適合するアクティブシールド型傾斜磁場コイル装置を有する磁気共鳴イメージング装置
US20160096030A1 (en) Pulsed gradient field method to counteract a static magnetic field for magnetic particle focusing
JP2013098439A (ja) 電磁石装置及びシムコイルの製造方法
CN105596002A (zh) 磁性共振成像装置
WO2008062599A1 (en) Electromagnet device and magnetic resonance imaging device
CN113009394B (zh) 一种静磁场发生装置
JP4886482B2 (ja) 超電導磁石装置及び核磁気共鳴イメージング装置
US20100308831A1 (en) Optimized flat/saddle coil cooling system
Bringout et al. Performance and safety evaluation of a human sized FFL imager concept