IL131244A - Magnetic field generator for mri, method for assembling the same, and method for assembling a magnet unit for the same - Google Patents

Magnetic field generator for mri, method for assembling the same, and method for assembling a magnet unit for the same

Info

Publication number
IL131244A
IL131244A IL13124499A IL13124499A IL131244A IL 131244 A IL131244 A IL 131244A IL 13124499 A IL13124499 A IL 13124499A IL 13124499 A IL13124499 A IL 13124499A IL 131244 A IL131244 A IL 131244A
Authority
IL
Israel
Prior art keywords
magnet
yoke
magnet block
plate yoke
blocks
Prior art date
Application number
IL13124499A
Other languages
English (en)
Other versions
IL131244A0 (en
Original Assignee
Sumitomo Spec Metals
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Spec Metals filed Critical Sumitomo Spec Metals
Publication of IL131244A0 publication Critical patent/IL131244A0/xx
Publication of IL131244A publication Critical patent/IL131244A/en

Links

Classifications

    • 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
    • G01R33/383—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent 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
    • G01R33/3802—Manufacture or installation of magnet assemblies; Additional hardware for transportation or installation of the magnet assembly or for providing mechanical support to components of the magnet assembly
    • 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
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1089—Methods of surface bonding and/or assembly therefor of discrete laminae to single face of additional lamina
    • 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
    • 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
    • Y10T29/49073—Electromagnet, transformer or inductor by assembling coil and core
    • 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
    • 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
    • Y10T29/49826—Assembling or joining
    • Y10T29/49895—Associating parts by use of aligning means [e.g., use of a drift pin or a "fixture"]
    • Y10T29/49901—Sequentially associating parts on stationary aligning means
    • 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
    • Y10T29/49826—Assembling or joining
    • Y10T29/49895—Associating parts by use of aligning means [e.g., use of a drift pin or a "fixture"]
    • Y10T29/49902—Associating parts by use of aligning means [e.g., use of a drift pin or a "fixture"] by manipulating aligning means

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
IL13124499A 1998-08-06 1999-08-04 Magnetic field generator for mri, method for assembling the same, and method for assembling a magnet unit for the same IL131244A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10223444A JP2953659B1 (ja) 1998-08-06 1998-08-06 Ｍｒｉ用磁界発生装置およびその組立方法並びにそれに用いる磁石ユニットの組立方法

Publications (2)

Publication Number Publication Date
IL131244A0 IL131244A0 (en) 2001-01-28
IL131244A true IL131244A (en) 2004-05-12

Family

ID=16798245

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13124499A IL131244A (en) 1998-08-06 1999-08-04 Magnetic field generator for mri, method for assembling the same, and method for assembling a magnet unit for the same

Country Status (8)

Country Link
US (3) US6336989B1 (de)
EP (2) EP1557684B1 (de)
JP (1) JP2953659B1 (de)
KR (2) KR100381813B1 (de)
CN (2) CN1212512C (de)
CA (1) CA2277734C (de)
DE (2) DE69929006T2 (de)
IL (1) IL131244A (de)

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JP3788573B2 (ja) 2000-11-16 2006-06-21 信越化学工業株式会社 Ｍｒｉ用磁気回路の組立方法
US7463129B1 (en) 2000-11-22 2008-12-09 Fonar Corporation Magnet structure
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US7248137B1 (en) 2000-11-22 2007-07-24 Fonar Corporation Magnet structure
US6982620B1 (en) 2000-11-22 2006-01-03 Fonar Corporation Magnet structure
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US7162302B2 (en) * 2002-03-04 2007-01-09 Nanoset Llc Magnetically shielded assembly
US7091412B2 (en) * 2002-03-04 2006-08-15 Nanoset, Llc Magnetically shielded assembly
US20040210289A1 (en) * 2002-03-04 2004-10-21 Xingwu Wang Novel nanomagnetic particles
CN101089649B (zh) 2002-02-15 2010-06-02 日立金属株式会社 磁场产生装置的制造方法
US6828891B2 (en) * 2002-07-25 2004-12-07 Ge Medical Systems Global Technology Company, Llc Method for assembling magnetic members for magnetic resonance imaging magnetic field generator
US6664878B1 (en) * 2002-07-26 2003-12-16 Ge Medical Systems Global Technology Company, Llc Method for assembling magnetic members for magnetic resonance imaging magnetic field generator
US6825666B2 (en) 2002-12-23 2004-11-30 General Electric Company Pole face for permanent magnet MRI with laminated structure
US6844801B2 (en) * 2003-03-21 2005-01-18 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for adjusting center magnetic field of a magnetic field generator for MRI
US6859123B2 (en) * 2003-04-03 2005-02-22 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for positioning permanent magnetic blocks
US7001479B2 (en) 2003-04-03 2006-02-21 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for assembling magnetized permanent magnetic blocks
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US20040254419A1 (en) * 2003-04-08 2004-12-16 Xingwu Wang Therapeutic assembly
US20050025797A1 (en) * 2003-04-08 2005-02-03 Xingwu Wang Medical device with low magnetic susceptibility
US20050149002A1 (en) * 2003-04-08 2005-07-07 Xingwu Wang Markers for visualizing interventional medical devices
US20050119725A1 (en) * 2003-04-08 2005-06-02 Xingwu Wang Energetically controlled delivery of biologically active material from an implanted medical device
US20050155779A1 (en) * 2003-04-08 2005-07-21 Xingwu Wang Coated substrate assembly
US20050079132A1 (en) * 2003-04-08 2005-04-14 Xingwu Wang Medical device with low magnetic susceptibility
US20060102871A1 (en) * 2003-04-08 2006-05-18 Xingwu Wang Novel composition
US6809619B1 (en) * 2003-10-16 2004-10-26 G.E. Medical Systems Global Technology Co., Llc System and method for adjusting magnetic center field for permanent MRI magnetic field generator
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JP4139767B2 (ja) 2003-12-12 2008-08-27 信越化学工業株式会社 永久磁石対向型磁気回路
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US20060118758A1 (en) * 2004-09-15 2006-06-08 Xingwu Wang Material to enable magnetic resonance imaging of implantable medical devices
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JP5867052B2 (ja) * 2011-12-14 2016-02-24 日産自動車株式会社 界磁極用磁石体の製造装置およびその製造方法
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JP6407825B2 (ja) * 2015-09-02 2018-10-17 信越化学工業株式会社 永久磁石磁気回路の製造方法
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Also Published As

Publication number Publication date
KR100381813B1 (ko) 2003-04-26
DE69929006T2 (de) 2006-09-14
EP0978727B1 (de) 2005-12-21
KR100404041B1 (ko) 2003-11-05
EP1557684A3 (de) 2005-08-10
CA2277734C (en) 2003-04-22
US7065860B2 (en) 2006-06-27
EP0978727A2 (de) 2000-02-09
EP1557684A2 (de) 2005-07-27
CN1707253A (zh) 2005-12-14
IL131244A0 (en) 2001-01-28
US6650214B2 (en) 2003-11-18
CN1254838A (zh) 2000-05-31
EP0978727A3 (de) 2001-05-02
KR20000017117A (ko) 2000-03-25
CN1707253B (zh) 2011-06-22
JP2000051175A (ja) 2000-02-22
KR20030003137A (ko) 2003-01-09
US20030016108A1 (en) 2003-01-23
US20010011576A1 (en) 2001-08-09
CA2277734A1 (en) 2000-02-06
DE69942776D1 (de) 2010-10-28
JP2953659B1 (ja) 1999-09-27
EP1557684B1 (de) 2010-09-15
DE69929006D1 (de) 2006-01-26
CN1212512C (zh) 2005-07-27
US6336989B1 (en) 2002-01-08

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