CN100337585C - 用于磁共振成像的磁场产生装置的磁性件的装配方法 - Google Patents

用于磁共振成像的磁场产生装置的磁性件的装配方法 Download PDF

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Publication number
CN100337585C
CN100337585C CNB031436366A CN03143636A CN100337585C CN 100337585 C CN100337585 C CN 100337585C CN B031436366 A CNB031436366 A CN B031436366A CN 03143636 A CN03143636 A CN 03143636A CN 100337585 C CN100337585 C CN 100337585C
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China
Prior art keywords
guide rail
block
rails
magnetic
assembly
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Expired - Fee Related
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CNB031436366A
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English (en)
Chinese (zh)
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CN1491613A (zh
Inventor
W·E·－W·陈
J·黄
R·F·洛克纳
W·沈
G·瓦德
B·-X·徐
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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)
CNB031436366A 2002-07-26 2003-07-28 用于磁共振成像的磁场产生装置的磁性件的装配方法 Expired - Fee Related CN100337585C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/064565 2002-07-26
US10/064,565 US6664878B1 (en) 2002-07-26 2002-07-26 Method for assembling magnetic members for magnetic resonance imaging magnetic field generator

Publications (2)

Publication Number Publication Date
CN1491613A CN1491613A (zh) 2004-04-28
CN100337585C true CN100337585C (zh) 2007-09-19

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Family Applications (1)

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CNB031436366A Expired - Fee Related CN100337585C (zh) 2002-07-26 2003-07-28 用于磁共振成像的磁场产生装置的磁性件的装配方法

Country Status (6)

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

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
US7417432B2 (en) * 2004-03-03 2008-08-26 Koninklijke Philips Electronics N.V. Asymmetric ultra-short gradient coil for magnetic resonance imaging system
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
US7796002B2 (en) * 2004-09-30 2010-09-14 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
CN102333482B (zh) * 2009-02-27 2014-05-28 日立金属株式会社 磁场产生装置
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0978727A2 (en) * 1998-08-06 2000-02-09 Sumitomo Special Metals Company Limited Magnetic field generator for MRI, method for assembling the same and method for assembling a magnet unit for the same
CN1278600A (zh) * 1999-05-10 2001-01-03 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
EP1102077A2 (en) * 1999-11-16 2001-05-23 Sumitomo Special Metals Company Limited Pole-piece unit for an MRI magnet
EP1207400A1 (en) * 2000-11-16 2002-05-22 Shin-Etsu Chemical Co., Ltd. Method of assembling magnetic circuitry for use in MRI system

Family Cites Families (9)

* 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
DE69937722T2 (de) 1998-04-14 2008-12-04 Hitachi Metals, Ltd. Magnetfelderzeuger zur bildgewinnung mittels kernspinresonanz
JP2000139874A (ja) 1998-09-02 2000-05-23 Sumitomo Special Metals Co Ltd Ｍｒｉ用磁界発生装置
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0978727A2 (en) * 1998-08-06 2000-02-09 Sumitomo Special Metals Company Limited Magnetic field generator for MRI, method for assembling the same and method for assembling a magnet unit for the same
CN1278600A (zh) * 1999-05-10 2001-01-03 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
EP1102077A2 (en) * 1999-11-16 2001-05-23 Sumitomo Special Metals Company Limited Pole-piece unit for an MRI magnet
EP1207400A1 (en) * 2000-11-16 2002-05-22 Shin-Etsu Chemical Co., Ltd. Method of assembling magnetic circuitry for use in MRI system

Also Published As

Publication number Publication date
US6664878B1 (en) 2003-12-16
CN1491613A (zh) 2004-04-28
KR20040010393A (ko) 2004-01-31
DE60323573D1 (de) 2008-10-30
EP1385017A1 (en) 2004-01-28
JP4344882B2 (ja) 2009-10-14
EP1385017B1 (en) 2008-09-17
JP2004057829A (ja) 2004-02-26

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