CN100438825C - 磁共振成像装置 - Google Patents

磁共振成像装置 Download PDF

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Publication number
CN100438825C
CN100438825C CNB2005101267114A CN200510126711A CN100438825C CN 100438825 C CN100438825 C CN 100438825C CN B2005101267114 A CNB2005101267114 A CN B2005101267114A CN 200510126711 A CN200510126711 A CN 200510126711A CN 100438825 C CN100438825 C CN 100438825C
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CN
China
Prior art keywords
mentioned
center
imaging apparatus
pillar
magnetostatic field
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Expired - Fee Related
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CNB2005101267114A
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English (en)
Chinese (zh)
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CN1806753A (zh
Inventor
吉野仁志
前田常雄
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Hitachi Healthcare Manufacturing Ltd
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Hitachi Medical Corp
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Publication date
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Publication of CN1806753A publication Critical patent/CN1806753A/zh
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Publication of CN100438825C publication Critical patent/CN100438825C/zh
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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
    • G01R33/38—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
    • G01R33/3806—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
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CNB2005101267114A 2000-07-11 2001-07-10 磁共振成像装置 Expired - Fee Related CN100438825C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000210125A JP3934312B2 (ja) 2000-07-11 2000-07-11 磁気共鳴イメージング装置
JP210125/2000 2000-07-11

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN01810225.5A Division CN1236724C (zh) 2000-07-11 2001-07-10 磁共振成像装置

Publications (2)

Publication Number Publication Date
CN1806753A CN1806753A (zh) 2006-07-26
CN100438825C true CN100438825C (zh) 2008-12-03

Family

ID=18706437

Family Applications (2)

Application Number Title Priority Date Filing Date
CNB2005101267114A Expired - Fee Related CN100438825C (zh) 2000-07-11 2001-07-10 磁共振成像装置
CN01810225.5A Expired - Fee Related CN1236724C (zh) 2000-07-11 2001-07-10 磁共振成像装置

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN01810225.5A Expired - Fee Related CN1236724C (zh) 2000-07-11 2001-07-10 磁共振成像装置

Country Status (5)

Country Link
US (1) US6812702B2 (enExample)
EP (1) EP1300111A4 (enExample)
JP (1) JP3934312B2 (enExample)
CN (2) CN100438825C (enExample)
WO (1) WO2002003862A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4093736B2 (ja) 2001-06-28 2008-06-04 株式会社日立メディコ 核磁気共鳴診断装置および診断システム
JP4143812B2 (ja) * 2002-07-01 2008-09-03 株式会社日立メディコ 磁気共鳴イメージング装置
DE102005061558A1 (de) * 2005-12-22 2007-07-05 Siemens Ag Magnetresonanzeinrichtung mit einem Patientenlagerungstisch und einem Hauptfeldmagneten
CN104146710A (zh) * 2014-08-14 2014-11-19 中国科学院电工研究所 一种产生非球形匀场区磁场的磁共振成像装置
CN106725579A (zh) * 2016-12-28 2017-05-31 上海联影医疗科技有限公司 医疗设备
EP3736591A1 (de) * 2019-05-09 2020-11-11 Siemens Healthcare GmbH Grundfeldmagnetanordnung für ein magnetresonanztomographie-system
EP3839541B1 (en) * 2019-11-27 2024-12-25 Siemens Healthineers AG Toroidal magnet configuration for dedicated mri scanners
CN111580030B (zh) * 2020-05-13 2022-04-22 山东省肿瘤防治研究院（山东省肿瘤医院） 用于核磁共振与放疗相融合的磁场制备结构、设备及系统
CN114184990B (zh) * 2021-11-29 2024-01-05 深圳航天科技创新研究院 磁共振成像用的磁体及铁轭的优化方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06261876A (ja) * 1992-09-24 1994-09-20 Univ California 患者へ近接かつ開放的にアクセス可能にするｍｒｉのｃ字型磁石中への患者の側方装填
JPH09299352A (ja) * 1996-05-16 1997-11-25 Hitachi Medical Corp 磁気共鳴イメージング装置
JPH11104109A (ja) * 1997-10-07 1999-04-20 Shin Etsu Chem Co Ltd 磁場発生装置
JP2000126153A (ja) * 1998-10-22 2000-05-09 Hitachi Medical Corp 超電導磁石装置
CN1254838A (zh) * 1998-08-06 2000-05-31 住友特殊金属株式会社 Mri用磁场发生器、该发生器及其磁铁单元的组装方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2215522B (en) * 1988-02-26 1990-11-28 Picker Int Ltd Magnet arrangements
US4985678A (en) * 1988-10-14 1991-01-15 Picker International, Inc. Horizontal field iron core magnetic resonance scanner
US5412363A (en) * 1991-12-20 1995-05-02 Applied Superconetics, Inc. Open access superconducting MRI magnet
US5495222A (en) * 1994-04-15 1996-02-27 New York University Open permanent magnet structure for generating highly uniform field
JP3480991B2 (ja) 1994-08-08 2003-12-22 株式会社日立メディコ 磁気共鳴イメージング装置用磁気回路およびそれを備えた磁気共鳴イメージング装置
EP0883143B1 (en) * 1996-10-30 2008-09-17 Hitachi Medical Corporation Superconducting magnetic-field generating device
JPH10135027A (ja) 1996-10-30 1998-05-22 Hitachi Medical Corp 超電導磁石装置
JPH1128199A (ja) * 1997-07-10 1999-02-02 Hitachi Medical Corp 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
IT1298022B1 (it) * 1997-12-05 1999-12-20 Esaote Spa Magnete permanente per il rilevamento d'immagini in risonaza magnetica nucleare.
IT1305971B1 (it) * 1998-08-31 2001-05-21 Esaote Spa Macchina per il rilevamento di immagini in risonanza magneticanucleare del tipo dedicato al rilevamento d'immagini di limitate
JP2000157505A (ja) * 1998-11-30 2000-06-13 Ge Yokogawa Medical Systems Ltd テーブル及びｍｒｉ装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06261876A (ja) * 1992-09-24 1994-09-20 Univ California 患者へ近接かつ開放的にアクセス可能にするｍｒｉのｃ字型磁石中への患者の側方装填
JPH09299352A (ja) * 1996-05-16 1997-11-25 Hitachi Medical Corp 磁気共鳴イメージング装置
JPH11104109A (ja) * 1997-10-07 1999-04-20 Shin Etsu Chem Co Ltd 磁場発生装置
CN1254838A (zh) * 1998-08-06 2000-05-31 住友特殊金属株式会社 Mri用磁场发生器、该发生器及其磁铁单元的组装方法
JP2000126153A (ja) * 1998-10-22 2000-05-09 Hitachi Medical Corp 超電導磁石装置

Also Published As

Publication number Publication date
CN1236724C (zh) 2006-01-18
US20030110564A1 (en) 2003-06-19
EP1300111A1 (en) 2003-04-09
US6812702B2 (en) 2004-11-02
CN1431885A (zh) 2003-07-23
JP3934312B2 (ja) 2007-06-20
WO2002003862A1 (fr) 2002-01-17
EP1300111A4 (en) 2006-03-29
CN1806753A (zh) 2006-07-26
JP2002017708A (ja) 2002-01-22

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