JP4344882B2 - 磁気共鳴イメージングの磁場発生装置向けに磁気部材を組み立てるための方法 - Google Patents

磁気共鳴イメージングの磁場発生装置向けに磁気部材を組み立てるための方法 Download PDF

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Publication number
JP4344882B2
JP4344882B2 JP2003279515A JP2003279515A JP4344882B2 JP 4344882 B2 JP4344882 B2 JP 4344882B2 JP 2003279515 A JP2003279515 A JP 2003279515A JP 2003279515 A JP2003279515 A JP 2003279515A JP 4344882 B2 JP4344882 B2 JP 4344882B2
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Prior art keywords
rail
block
magnet
assembly
yoke plate
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Expired - Fee Related
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JP2003279515A
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Japanese (ja)
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JP2004057829A5 (enExample
JP2004057829A (ja
Inventor
ウィリアム・イー−ウェイ・チェン
チンファー・ファン
ロナルド・フロイド・ロッホナー
ウエージュン・シェン
ギア・ワード
ブー−シン・スー
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GE Medical Systems Global Technology Co LLC
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GE Medical Systems Global Technology Co LLC
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • 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

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2003279515A 2002-07-26 2003-07-25 磁気共鳴イメージングの磁場発生装置向けに磁気部材を組み立てるための方法 Expired - Fee Related JP4344882B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/064,565 US6664878B1 (en) 2002-07-26 2002-07-26 Method for assembling magnetic members for magnetic resonance imaging magnetic field generator

Publications (3)

Publication Number Publication Date
JP2004057829A JP2004057829A (ja) 2004-02-26
JP2004057829A5 JP2004057829A5 (enExample) 2008-09-11
JP4344882B2 true JP4344882B2 (ja) 2009-10-14

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ID=29709246

Family Applications (1)

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JP2003279515A Expired - Fee Related JP4344882B2 (ja) 2002-07-26 2003-07-25 磁気共鳴イメージングの磁場発生装置向けに磁気部材を組み立てるための方法

Country Status (6)

Country Link
US (1) US6664878B1 (enExample)
EP (1) EP1385017B1 (enExample)
JP (1) JP4344882B2 (enExample)
KR (1) KR20040010393A (enExample)
CN (1) CN100337585C (enExample)
DE (1) DE60323573D1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6859123B2 (en) * 2003-04-03 2005-02-22 Ge Medical Systems Global Technology Company, Llc Methods and apparatus for positioning permanent magnetic blocks
US7373716B2 (en) * 2003-10-22 2008-05-20 Dexter Magnetic Technologies, Inc. Method for constructing permanent magnet assemblies
JP4965426B2 (ja) * 2004-03-03 2012-07-04 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 磁気共鳴イメージングシステムのための非対称の非常に短い勾配コイル
US7631411B2 (en) * 2004-06-28 2009-12-15 General Electric Company Method of manufacturing support structure for open MRI
US6958672B1 (en) 2004-06-30 2005-10-25 General Electric Company System and method for magnetizing blocks on a magnet assembly of an MRI device
EP1808126B1 (en) * 2004-09-30 2012-12-26 Hitachi Metals, Ltd. Magnetic field generator for mri
US20060078844A1 (en) * 2004-10-07 2006-04-13 Goldman Paul D Oral care systems, oral care devices and methods of use
GB2436365B (en) * 2006-03-21 2008-04-02 Siemens Magnet Technology Ltd Apparatus and method for shimming the magnetic field generated by a magnet
GB2436364B (en) * 2006-03-21 2008-07-02 Siemens Magnet Technology Ltd Apparatus for shimming a magnetic field
US8674797B2 (en) * 2009-02-27 2014-03-18 Hitachi Metals, Ltd. Magnetic field generator
CN104931902A (zh) * 2015-06-30 2015-09-23 东南大学 一种用于集成核磁共振磁体和探头的装置
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
US10847294B2 (en) 2017-07-10 2020-11-24 Aspect Imaging Ltd. System for generating a magnetic field
CN109669150B (zh) * 2018-12-29 2024-07-16 佛山瑞加图医疗科技有限公司 一种圆周磁体安装专用设备及安装方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1316375C (en) 1982-08-21 1993-04-20 Masato Sagawa Magnetic materials and permanent magnets
US4931760A (en) 1986-10-08 1990-06-05 Asahi Kasei Kogyo Kabushiki Kaisha Uniform magnetic field generator
GB8825529D0 (en) 1988-11-01 1988-12-07 Oxford Magnet Tech Magnetic field generating assembly
GB9105286D0 (en) 1991-03-13 1991-04-24 Oxford Instr Ltd Magnetic field generating apparatus
JPH0669027A (ja) 1991-10-24 1994-03-11 Hitachi Ltd 磁場発生装置
JP2699250B2 (ja) 1993-01-22 1998-01-19 信越化学工業株式会社 磁場発生装置及び磁場発生装置製造方法
CA2293308C (en) 1998-04-14 2004-12-21 Sumitomo Special Metals Co., Ltd. Magnetic field generator for mri
JP2953659B1 (ja) 1998-08-06 1999-09-27 住友特殊金属株式会社 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
JP2000139874A (ja) 1998-09-02 2000-05-23 Sumitomo Special Metals Co Ltd Ｍｒｉ用磁界発生装置
CN1159576C (zh) * 1999-05-10 2004-07-28 三星电子株式会社 制造磁共振成像系统用的主磁体总成的方法
EP1666910B1 (en) * 1999-11-16 2009-03-11 Hitachi Metals, Ltd. Magnetic-field generator comprising a pole-piece unit
JP4135127B2 (ja) * 2000-04-21 2008-08-20 信越化学工業株式会社 磁場発生装置の組立方法
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

Also Published As

Publication number Publication date
CN1491613A (zh) 2004-04-28
KR20040010393A (ko) 2004-01-31
US6664878B1 (en) 2003-12-16
EP1385017A1 (en) 2004-01-28
DE60323573D1 (de) 2008-10-30
EP1385017B1 (en) 2008-09-17
CN100337585C (zh) 2007-09-19
JP2004057829A (ja) 2004-02-26

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