JP3728199B2 - 磁気共鳴イメージング装置 - Google Patents

磁気共鳴イメージング装置 Download PDF

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Publication number
JP3728199B2
JP3728199B2 JP2000346499A JP2000346499A JP3728199B2 JP 3728199 B2 JP3728199 B2 JP 3728199B2 JP 2000346499 A JP2000346499 A JP 2000346499A JP 2000346499 A JP2000346499 A JP 2000346499A JP 3728199 B2 JP3728199 B2 JP 3728199B2
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Japan
Prior art keywords
magnetic field
static magnetic
field generating
blocks
magnet
Prior art date
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Expired - Fee Related
Application number
JP2000346499A
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English (en)
Japanese (ja)
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JP2002143124A5 (cg-RX-API-DMAC7.html
JP2002143124A (ja
Inventor
宗孝 津田
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Hitachi Healthcare Manufacturing Ltd
Original Assignee
Hitachi Medical Corp
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Publication date
Application filed by Hitachi Medical Corp filed Critical Hitachi Medical Corp
Priority to JP2000346499A priority Critical patent/JP3728199B2/ja
Priority to US09/987,337 priority patent/US6889070B2/en
Publication of JP2002143124A publication Critical patent/JP2002143124A/ja
Priority to US10/656,184 priority patent/US6799366B2/en
Publication of JP2002143124A5 publication Critical patent/JP2002143124A5/ja
Application granted granted Critical
Publication of JP3728199B2 publication Critical patent/JP3728199B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01R33/42—Screening
    • G01R33/421—Screening of main or gradient magnetic field
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49075—Electromagnet, transformer or inductor including permanent magnet or core

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2000346499A 2000-11-14 2000-11-14 磁気共鳴イメージング装置 Expired - Fee Related JP3728199B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2000346499A JP3728199B2 (ja) 2000-11-14 2000-11-14 磁気共鳴イメージング装置
US09/987,337 US6889070B2 (en) 2000-11-14 2001-11-14 Magnetic resonance imaging apparatus and assembly process thereof
US10/656,184 US6799366B2 (en) 2000-11-14 2003-09-08 Magnetic resonance imaging apparatus assembly method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000346499A JP3728199B2 (ja) 2000-11-14 2000-11-14 磁気共鳴イメージング装置

Publications (3)

Publication Number Publication Date
JP2002143124A JP2002143124A (ja) 2002-05-21
JP2002143124A5 JP2002143124A5 (cg-RX-API-DMAC7.html) 2005-06-23
JP3728199B2 true JP3728199B2 (ja) 2005-12-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000346499A Expired - Fee Related JP3728199B2 (ja) 2000-11-14 2000-11-14 磁気共鳴イメージング装置

Country Status (2)

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US (2) US6889070B2 (cg-RX-API-DMAC7.html)
JP (1) JP3728199B2 (cg-RX-API-DMAC7.html)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD513533S1 (en) * 2003-11-20 2006-01-10 Hitachi Medical Corporation Magnetic resonance imaging apparatus
US7046005B2 (en) * 2003-12-22 2006-05-16 General Electric Company Method and apparatus for driver circuits for use in magnetic systems
US7432709B2 (en) 2004-01-15 2008-10-07 Koninklijke Philips Electronics N.V. Planar RF resonator for open MRI systems
US7631411B2 (en) * 2004-06-28 2009-12-15 General Electric Company Method of manufacturing support structure for open MRI
US7937131B2 (en) * 2004-09-06 2011-05-03 Gachon University Of Medicine & Science Industry-Academic Cooperation Foundation PET—MRI hybrid apparatus and method of implementing the same
EP1794609A2 (en) * 2004-09-27 2007-06-13 Fonar Corporation Magnetic resonance imaging system, apparatus and associated methods
US7400147B2 (en) * 2005-11-03 2008-07-15 Uri Rapoport Self-fastening cage surrounding a magnetic resonance device and methods thereof
US9448294B2 (en) * 2009-06-30 2016-09-20 Aspect Imaging Ltd. Cage in an MRD with a fastening/attenuating system
EP3572823B1 (en) * 2010-02-24 2022-04-06 ViewRay Technologies, Inc. Split magnetic resonance imaging system
EP2400314A1 (en) * 2010-06-14 2011-12-28 Agilent Technologies U.K. Limited Superconducting magnet arrangement and method of mounting thereof
JP6139064B2 (ja) 2011-05-10 2017-05-31 東芝メディカルシステムズ株式会社 磁気共鳴イメージング装置及び磁気共鳴イメージング装置用の磁場調整具
JP5754010B2 (ja) * 2011-06-20 2015-07-22 学校法人金沢工業大学 軽量永久磁石型磁気共鳴分析装置
GB201217782D0 (en) * 2012-10-04 2012-11-14 Tesla Engineering Ltd Magnet apparatus
EP3189341A4 (en) * 2014-09-05 2018-05-02 Hyperfine Research Inc. Ferromagnetic augmentation for magnetic resonance imaging
JP2017011236A (ja) * 2015-06-26 2017-01-12 株式会社神戸製鋼所 多層磁気シールド
CN109983474A (zh) 2016-11-22 2019-07-05 海珀菲纳研究股份有限公司 用于磁共振图像中的自动检测的系统和方法
US10539637B2 (en) 2016-11-22 2020-01-21 Hyperfine Research, Inc. Portable magnetic resonance imaging methods and apparatus
US10627464B2 (en) 2016-11-22 2020-04-21 Hyperfine Research, Inc. Low-field magnetic resonance imaging methods and apparatus
CN114156044B (zh) * 2021-12-03 2023-01-31 四川大学 一种叠片型钢管磁轭式均匀磁化装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US123681A (en) * 1872-02-13 Improvement in machines for flinting and glazing leather
US6023165A (en) * 1992-09-28 2000-02-08 Fonar Corporation Nuclear magnetic resonance apparatus and methods of use and facilities for incorporating the same
US5754085A (en) * 1992-09-28 1998-05-19 Fonar Corporation Ferromagnetic yoke magnets for medical magnetic resonance studies
US5357958A (en) * 1993-03-18 1994-10-25 The Regents Of The University Of California Interventional MRI system and RF coils therefore
DE19628363A1 (de) * 1996-07-13 1998-01-15 Philips Patentverwaltung MR-Anordnung
EP1647831B1 (en) * 1996-10-30 2008-12-03 Hitachi Medical Corporation Open superconducting magnet apparatus
JP3980105B2 (ja) 1996-12-26 2007-09-26 株式会社日立メディコ 静磁場発生装置及び磁気共鳴イメージング装置
JP3871789B2 (ja) 1997-12-01 2007-01-24 株式会社日立メディコ パッシブシールド型超電導磁石
JPH11197132A (ja) 1998-01-13 1999-07-27 Hitachi Medical Corp パッシブシールド型超電導磁石
AU1582400A (en) * 1998-12-08 2000-06-26 Odin Medical Technologies Ltd A device and a system for moving and positioning an open magnetic resonance imaging probe
JP3878434B2 (ja) * 2001-05-10 2007-02-07 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 磁気共鳴撮像用コイル構造体および磁気共鳴撮像装置

Also Published As

Publication number Publication date
US20040045155A1 (en) 2004-03-11
US6889070B2 (en) 2005-05-03
US6799366B2 (en) 2004-10-05
US20020087064A1 (en) 2002-07-04
JP2002143124A (ja) 2002-05-21

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