ATE258312T1 - Magnet für die bildgebende magnetische resonanz mit abschirmmagneten - Google Patents

Magnet für die bildgebende magnetische resonanz mit abschirmmagneten

Info

Publication number
ATE258312T1
ATE258312T1 AT01118979T AT01118979T ATE258312T1 AT E258312 T1 ATE258312 T1 AT E258312T1 AT 01118979 T AT01118979 T AT 01118979T AT 01118979 T AT01118979 T AT 01118979T AT E258312 T1 ATE258312 T1 AT E258312T1
Authority
AT
Austria
Prior art keywords
magnet
main surface
plate yoke
shielding
shielding magnet
Prior art date
Application number
AT01118979T
Other languages
English (en)
Inventor
Masaaki Aoki
Tsuyoshi Tsuzaki
Original Assignee
Sumitomo Spec Metals
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 Sumitomo Spec Metals filed Critical Sumitomo Spec Metals
Application granted granted Critical
Publication of ATE258312T1 publication Critical patent/ATE258312T1/de

Links

Classifications

    • 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
    • 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
    • G01R33/42—Screening
    • G01R33/421—Screening of main or gradient magnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
AT01118979T 2000-08-09 2001-08-06 Magnet für die bildgebende magnetische resonanz mit abschirmmagneten ATE258312T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000241609 2000-08-09

Publications (1)

Publication Number Publication Date
ATE258312T1 true ATE258312T1 (de) 2004-02-15

Family

ID=18732774

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01118979T ATE258312T1 (de) 2000-08-09 2001-08-06 Magnet für die bildgebende magnetische resonanz mit abschirmmagneten

Country Status (5)

Country Link
US (2) US6642826B1 (de)
EP (1) EP1180695B1 (de)
CN (1) CN1196440C (de)
AT (1) ATE258312T1 (de)
DE (1) DE60101826T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7345559B2 (en) * 2001-09-13 2008-03-18 General Electric Company High field open MRI magnet isolation system and method
WO2006038261A1 (ja) * 2004-09-30 2006-04-13 Neomax Co., Ltd. Ｍｒｉ用磁界発生装置
US7274192B2 (en) * 2005-05-31 2007-09-25 General Electric Company Combined open and closed magnet configuration for MRI
CN101488391B (zh) * 2008-01-16 2011-02-09 中国科学院高能物理研究所 带边缘场修正的复合型磁铁
CA2728108C (en) * 2008-06-24 2016-09-27 Alberta Health Services Magnetic assembly and method for defining a magnetic field for an imaging volume
DE112010000767T5 (de) * 2009-01-23 2012-09-27 Kenko Tokina Co., Ltd. Schwingspulenmotor zum Bewegen einer Korrekturlinse, Schwingungsdämpfungsvorrichtung,wechselbare Linseneinheit und optische Vorrichtung
WO2010098469A1 (ja) * 2009-02-27 2010-09-02 日立金属株式会社 磁界発生装置
CN102468030B (zh) * 2010-10-29 2014-09-17 国立成功大学 磁场产生模块、磁场产生模块的制造方法及磁力提升的方法
KR102447684B1 (ko) * 2019-06-27 2022-09-27 주식회사 노바텍 단독 자석 부품을 포함하는 회로기판 및 smt 장비를 이용한 자석 장착 방법

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5197492A (en) 1989-07-17 1993-03-30 Bio Magnetics Systems Inc. Focused magnetic directional polarities
JPH0541530A (ja) 1991-12-20 1993-02-19 Canon Inc フオトセンサの作製法
GB9206014D0 (en) 1992-03-19 1992-04-29 Oxford Instr Ltd Magnet assembly
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
US6023165A (en) * 1992-09-28 2000-02-08 Fonar Corporation Nuclear magnetic resonance apparatus and methods of use and facilities for incorporating the same
JPH06319714A (ja) * 1993-05-13 1994-11-22 Hitachi Medical Corp 磁気共鳴イメージング装置
JP3113513B2 (ja) 1994-07-29 2000-12-04 住友特殊金属株式会社 Ｍｒｉ用磁界発生装置
JP3194699B2 (ja) * 1996-05-30 2001-07-30 信越化学工業株式会社 永久磁石磁気回路
JP3885126B2 (ja) 1997-12-18 2007-02-21 株式会社日立メディコ 磁気共鳴イメージング装置用磁界発生装置
JPH11197131A (ja) 1998-01-13 1999-07-27 Hitachi Medical Corp 磁気共鳴イメージング装置
JPH11197132A (ja) 1998-01-13 1999-07-27 Hitachi Medical Corp パッシブシールド型超電導磁石
US6683456B1 (en) 2000-07-06 2004-01-27 Koninklijke Philips Electronics, N.V. MRI magnet with reduced fringe field

Also Published As

Publication number Publication date
EP1180695B1 (de) 2004-01-21
EP1180695A2 (de) 2002-02-20
US20030020578A1 (en) 2003-01-30
EP1180695A3 (de) 2002-06-26
DE60101826D1 (de) 2004-02-26
CN1196440C (zh) 2005-04-13
US6781495B2 (en) 2004-08-24
DE60101826T2 (de) 2004-12-02
US6642826B1 (en) 2003-11-04
CN1337210A (zh) 2002-02-27

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Legal Events

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