CN115542214B - 磁共振成像装置 - Google Patents

磁共振成像装置

Info

Publication number
CN115542214B
CN115542214B CN202210632135.4A CN202210632135A CN115542214B CN 115542214 B CN115542214 B CN 115542214B CN 202210632135 A CN202210632135 A CN 202210632135A CN 115542214 B CN115542214 B CN 115542214B
Authority
CN
China
Prior art keywords
magnetic
laminate
magnetic field
coil
laminated body
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.)
Active
Application number
CN202210632135.4A
Other languages
English (en)
Chinese (zh)
Other versions
CN115542214A (zh
Inventor
后藤研吾
青木学
高柳泰介
星野伸
今村幸信
竹内博幸
中山武
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.)
Fujifilm Corp
Original Assignee
Fujifilm Corp
Fujifilm Healthcare Corp
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 Fujifilm Corp, Fujifilm Healthcare Corp filed Critical Fujifilm Corp
Publication of CN115542214A publication Critical patent/CN115542214A/zh
Application granted granted Critical
Publication of CN115542214B publication Critical patent/CN115542214B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01R33/42—Screening
    • G01R33/421—Screening of main or gradient magnetic field
    • G01R33/4215—Screening of main or gradient magnetic field of the gradient magnetic field, e.g. using passive or active shielding of the gradient magnetic field
    • 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
    • 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
    • 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
    • G01R33/3802—Manufacture or installation of magnet assemblies; Additional hardware for transportation or installation of the magnet assembly or for providing mechanical support to components of the magnet assembly
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00—Superconducting magnets; Superconducting coils
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
CN202210632135.4A 2021-06-29 2022-06-06 磁共振成像装置 Active CN115542214B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021107450A JP7646477B2 (ja) 2021-06-29 2021-06-29 磁気共鳴イメージング装置
JP2021-107450 2021-06-29

Publications (2)

Publication Number Publication Date
CN115542214A CN115542214A (zh) 2022-12-30
CN115542214B true CN115542214B (zh) 2026-07-14

Family

ID=84543031

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210632135.4A Active CN115542214B (zh) 2021-06-29 2022-06-06 磁共振成像装置

Country Status (3)

Country Link
US (1) US12025685B2 (enExample)
JP (2) JP7646477B2 (enExample)
CN (1) CN115542214B (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101030471A (zh) * 2006-01-23 2007-09-05 株式会社日立制作所 电磁铁装置
CN104822319A (zh) * 2012-12-25 2015-08-05 株式会社日立医疗器械 倾斜磁场线圈装置及磁共振成像装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2649436B2 (ja) * 1990-09-29 1997-09-03 住友特殊金属株式会社 Ｍｒｉ用磁界発生装置
JP2561591B2 (ja) 1991-12-27 1996-12-11 住友特殊金属株式会社 Ｍｒｉ用磁界発生装置
US5495171A (en) * 1993-01-19 1996-02-27 Fonar Corporation Eddy current control in NMR imaging systems
EP0645641B1 (en) * 1993-09-29 1999-06-16 Oxford Magnet Technology Limited Improvements in or relating to MRI magnets
JPH0831635A (ja) * 1994-07-08 1996-02-02 Sumitomo Special Metals Co Ltd Ｍｒｉ用磁界発生装置
DE69937722T2 (de) * 1998-04-14 2008-12-04 Hitachi Metals, Ltd. Magnetfelderzeuger zur bildgewinnung mittels kernspinresonanz
JP2002102205A (ja) * 2000-10-02 2002-04-09 Hitachi Medical Corp 磁気共鳴イメージング装置
JP2003126060A (ja) * 2001-10-23 2003-05-07 Hitachi Ltd 核磁気共鳴断層写真装置のマグネット
JP4214736B2 (ja) * 2002-08-08 2009-01-28 日立金属株式会社 Ｍｒｉ用磁界発生装置
US20100219833A1 (en) * 2007-07-26 2010-09-02 Emscan Limited Magnet assembly
CN101388271A (zh) * 2007-09-14 2009-03-18 Ge医疗系统环球技术有限公司 磁体系统和mri设备
JP6058612B2 (ja) * 2009-09-28 2017-01-11 東芝メディカルシステムズ株式会社 磁気共鳴イメージング装置及び傾斜磁場コイル
JP2012024451A (ja) * 2010-07-27 2012-02-09 Hitachi Medical Corp 傾斜磁場コイル装置、及び、磁気共鳴イメージング装置
WO2013038960A1 (ja) * 2011-09-14 2013-03-21 株式会社 日立メディコ 磁気共鳴イメージング装置、その運転方法およびクエンチ防止装置
JP5891063B2 (ja) * 2012-02-17 2016-03-22 株式会社日立メディコ 磁気共鳴イメージング装置
JP6368625B2 (ja) 2014-11-18 2018-08-01 株式会社日立製作所 磁気共鳴イメージング装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101030471A (zh) * 2006-01-23 2007-09-05 株式会社日立制作所 电磁铁装置
CN104822319A (zh) * 2012-12-25 2015-08-05 株式会社日立医疗器械 倾斜磁场线圈装置及磁共振成像装置

Also Published As

Publication number Publication date
JP2025036694A (ja) 2025-03-14
US20220413071A1 (en) 2022-12-29
JP7646477B2 (ja) 2025-03-17
JP7871366B2 (ja) 2026-06-08
JP2023005490A (ja) 2023-01-18
CN115542214A (zh) 2022-12-30
US12025685B2 (en) 2024-07-02

Legal Events

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Effective date of registration: 20240827

Address after: Tokyo Capital of Japan

Applicant after: FUJIFILM Corp.

Country or region after: Japan

Address before: Chiba County, Japan

Applicant before: Fujifilm medical health Co.,Ltd.

Country or region before: Japan

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant