JP3934312B2 - 磁気共鳴イメージング装置 - Google Patents

磁気共鳴イメージング装置 Download PDF

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Publication number
JP3934312B2
JP3934312B2 JP2000210125A JP2000210125A JP3934312B2 JP 3934312 B2 JP3934312 B2 JP 3934312B2 JP 2000210125 A JP2000210125 A JP 2000210125A JP 2000210125 A JP2000210125 A JP 2000210125A JP 3934312 B2 JP3934312 B2 JP 3934312B2
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JP
Japan
Prior art keywords
center
magnetic field
resonance imaging
magnetic resonance
static magnetic
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Expired - Fee Related
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JP2000210125A
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English (en)
Japanese (ja)
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JP2002017708A5 (enExample
JP2002017708A (ja
Inventor
仁志 吉野
常雄 前田
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Hitachi Healthcare Manufacturing Ltd
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Hitachi Medical Corp
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Filing date
Publication date
Priority to JP2000210125A priority Critical patent/JP3934312B2/ja
Application filed by Hitachi Medical Corp filed Critical Hitachi Medical Corp
Priority to PCT/JP2001/005973 priority patent/WO2002003862A1/ja
Priority to EP01947955A priority patent/EP1300111A4/en
Priority to CN01810225.5A priority patent/CN1236724C/zh
Priority to CNB2005101267114A priority patent/CN100438825C/zh
Priority to US10/312,760 priority patent/US6812702B2/en
Publication of JP2002017708A publication Critical patent/JP2002017708A/ja
Publication of JP2002017708A5 publication Critical patent/JP2002017708A5/ja
Application granted granted Critical
Publication of JP3934312B2 publication Critical patent/JP3934312B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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)
JP2000210125A 2000-07-11 2000-07-11 磁気共鳴イメージング装置 Expired - Fee Related JP3934312B2 (ja)

Priority Applications (6)

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
EP01947955A EP1300111A4 (en) 2000-07-11 2001-07-10 Magnetic resonance imaging apparatus
CN01810225.5A CN1236724C (zh) 2000-07-11 2001-07-10 磁共振成像装置
CNB2005101267114A CN100438825C (zh) 2000-07-11 2001-07-10 磁共振成像装置
PCT/JP2001/005973 WO2002003862A1 (fr) 2000-07-11 2001-07-10 Appareil d'imagerie par resonance magnetique
US10/312,760 US6812702B2 (en) 2000-07-11 2001-07-10 Magnetic resonance imaging apparatus

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
JP2002017708A JP2002017708A (ja) 2002-01-22
JP2002017708A5 JP2002017708A5 (enExample) 2005-06-30
JP3934312B2 true JP3934312B2 (ja) 2007-06-20

Family

ID=18706437

Family Applications (1)

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

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

Family Cites Families (17)

* 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
US5305749B1 (en) * 1992-09-24 2000-05-02 Univ California Side-loading of patient into mri c-magnet while maintaining adjacent open accessibility to patient
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
JP3746329B2 (ja) * 1996-05-16 2006-02-15 株式会社日立メディコ 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
JPH11104109A (ja) * 1997-10-07 1999-04-20 Shin Etsu Chem Co Ltd 磁場発生装置
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.
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
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
JP2000126153A (ja) * 1998-10-22 2000-05-09 Hitachi Medical Corp 超電導磁石装置
JP2000157505A (ja) * 1998-11-30 2000-06-13 Ge Yokogawa Medical Systems Ltd テーブル及びｍｒｉ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
CN100438825C (zh) 2008-12-03
CN1431885A (zh) 2003-07-23
WO2002003862A1 (fr) 2002-01-17
EP1300111A4 (en) 2006-03-29
CN1806753A (zh) 2006-07-26
JP2002017708A (ja) 2002-01-22

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