DE60323573D1 - Verfahren zur Montage von magnetischen Teilen eines Magnetfeld-Erzeugers zum Einsatz in der Kernspintomographie - Google Patents

Verfahren zur Montage von magnetischen Teilen eines Magnetfeld-Erzeugers zum Einsatz in der Kernspintomographie

Info

Publication number
DE60323573D1
DE60323573D1 DE60323573T DE60323573T DE60323573D1 DE 60323573 D1 DE60323573 D1 DE 60323573D1 DE 60323573 T DE60323573 T DE 60323573T DE 60323573 T DE60323573 T DE 60323573T DE 60323573 D1 DE60323573 D1 DE 60323573D1
Authority
DE
Germany
Prior art keywords
magnetic
field generator
mounting
resonance tomography
parts
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.)
Expired - Lifetime
Application number
DE60323573T
Other languages
German (de)
English (en)
Inventor
William E-Wei Chen
Ronald Floyd Lochner
Geer Ward
Jinhua Huang
Weijun Shen
Bu-Xin Xu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology Co LLC
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 GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Application granted granted Critical
Publication of DE60323573D1 publication Critical patent/DE60323573D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • 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)
DE60323573T 2002-07-26 2003-07-18 Verfahren zur Montage von magnetischen Teilen eines Magnetfeld-Erzeugers zum Einsatz in der Kernspintomographie Expired - Lifetime DE60323573D1 (de)

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 (1)

Publication Number Publication Date
DE60323573D1 true DE60323573D1 (de) 2008-10-30

Family

ID=29709246

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60323573T Expired - Lifetime DE60323573D1 (de) 2002-07-26 2003-07-18 Verfahren zur Montage von magnetischen Teilen eines Magnetfeld-Erzeugers zum Einsatz in der Kernspintomographie

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

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
DE69937722T2 (de) 1998-04-14 2008-12-04 Hitachi Metals, Ltd. Magnetfelderzeuger zur bildgewinnung mittels kernspinresonanz
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
US6664878B1 (en) 2003-12-16
CN1491613A (zh) 2004-04-28
KR20040010393A (ko) 2004-01-31
CN100337585C (zh) 2007-09-19
EP1385017A1 (en) 2004-01-28
JP4344882B2 (ja) 2009-10-14
EP1385017B1 (en) 2008-09-17
JP2004057829A (ja) 2004-02-26

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