JP6615530B2 - 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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JP6615530B2
JP6615530B2 JP2015158581A JP2015158581A JP6615530B2 JP 6615530 B2 JP6615530 B2 JP 6615530B2 JP 2015158581 A JP2015158581 A JP 2015158581A JP 2015158581 A JP2015158581 A JP 2015158581A JP 6615530 B2 JP6615530 B2 JP 6615530B2
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temperature
imaging
estimated value
magnetic field
circuit
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Japanese (ja)
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JP2017035306A5 (enExample
JP2017035306A (ja
Inventor
雄紀 高井
直幸 古舘
正晃 長島
豊 待井
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Canon Medical Systems Corp
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Canon Medical Systems Corp
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Priority to JP2015158581A priority Critical patent/JP6615530B2/ja
Priority to US15/223,669 priority patent/US10598740B2/en
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Publication of JP2017035306A5 publication Critical patent/JP2017035306A5/ja
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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
    • G01R33/007—Environmental aspects, e.g. temperature variations, radiation, stray fields
    • G01R33/0082—Compensation, e.g. compensating for temperature changes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/022—Measuring gradient
    • 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
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field 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
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3856—Means for cooling the gradient coils or thermal shielding of the gradient 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/543—Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Toxicology (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2015158581A 2015-08-10 2015-08-10 磁気共鳴イメージング装置 Active JP6615530B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2015158581A JP6615530B2 (ja) 2015-08-10 2015-08-10 磁気共鳴イメージング装置
US15/223,669 US10598740B2 (en) 2015-08-10 2016-07-29 Magnetic resonance imaging apparatus and magnetic resonance imaging method

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Application Number Priority Date Filing Date Title
JP2015158581A JP6615530B2 (ja) 2015-08-10 2015-08-10 磁気共鳴イメージング装置

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JP2017035306A JP2017035306A (ja) 2017-02-16
JP2017035306A5 JP2017035306A5 (enExample) 2018-08-30
JP6615530B2 true JP6615530B2 (ja) 2019-12-04

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JP (1) JP6615530B2 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015085137A (ja) * 2013-11-01 2015-05-07 株式会社東芝 磁気共鳴イメージング装置
JP6651330B2 (ja) 2015-11-13 2020-02-19 キヤノン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
EP3475717B1 (en) 2016-06-28 2023-12-20 Koninklijke Philips N.V. Magnetic resonance imaging with improved thermal performance
JP6914108B2 (ja) * 2017-06-07 2021-08-04 株式会社日立製作所 医療装置システム
US11703393B2 (en) * 2018-06-01 2023-07-18 Southwest Medical Resources, Inc. System and method for monitoring cooling system
EP3640660A1 (de) * 2018-10-16 2020-04-22 Siemens Healthcare GmbH Verfahren zum betrieb einer magnetresonanzeinrichtung
EP3798660A1 (de) 2019-09-25 2021-03-31 Siemens Healthcare GmbH Verfahren zur bereitstellung von einstellungsparametersätzen für eine magnetresonanzeinrichtung, verfahren zum betrieb einer magnetresonanzeinrichtung, bereitstellungseinrichtung, magnetresonanzeinrichtung und computerprogramm
CN116859304A (zh) * 2022-03-28 2023-10-10 西门子(深圳)磁共振有限公司 磁共振成像中的射频交变磁场限制方法及装置
CN114814684B (zh) * 2022-06-23 2022-09-16 中科微影(浙江)医疗科技有限公司 小型核磁共振设备优化成像方法、装置、设备及介质

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2508808B2 (ja) * 1988-06-20 1996-06-19 東洋紡績株式会社 フラクト―ス脱水素酵素の製造方法
JPH1071131A (ja) * 1996-08-30 1998-03-17 Shimadzu Corp 核磁気共鳴イメージング装置
JPH10225446A (ja) * 1997-02-14 1998-08-25 Hitachi Medical Corp 磁気共鳴検査装置およびその運転方法
JPH11318854A (ja) 1998-05-13 1999-11-24 Hitachi Medical Corp 磁気共鳴イメージング装置
EP1078274A1 (en) * 1999-03-10 2001-02-28 Koninklijke Philips Electronics N.V. Method of and device for the compensation of variations of the main magnetic field during magnetic resonance imaging
JP3907182B2 (ja) * 2002-05-07 2007-04-18 株式会社東芝 磁気共鳴映像装置
JP2008228765A (ja) 2007-03-16 2008-10-02 Ge Medical Systems Global Technology Co Llc 冷却方法およびｍｒｉ装置
JP5534652B2 (ja) 2007-07-12 2014-07-02 株式会社東芝 磁気共鳴イメージング装置
CN101451967B (zh) * 2007-12-04 2012-05-09 西门子（中国）有限公司 改善核磁共振成像设备的成像质量的方法及设备
JP5384043B2 (ja) * 2008-06-24 2014-01-08 株式会社日立メディコ 磁気共鳴イメージング装置
WO2012127450A1 (en) * 2011-03-24 2012-09-27 Koninklijke Philips Electronics N.V. Reduction of peak electrical power consumption in magnetic resonance imaging systems
JP5501282B2 (ja) * 2011-04-07 2014-05-21 三菱電機株式会社 ヒートポンプシステム及びヒートポンプシステムの制御方法
JP2013000173A (ja) * 2011-06-13 2013-01-07 Toshiba Corp 磁気共鳴イメージング装置及びその制御装置
WO2012173095A1 (ja) * 2011-06-13 2012-12-20 株式会社東芝 磁気共鳴イメージング装置及びその制御装置
JP2014000346A (ja) * 2012-06-21 2014-01-09 Hitachi Medical Corp 超伝導電磁石装置及び磁気共鳴画像装置
JP2015085137A (ja) * 2013-11-01 2015-05-07 株式会社東芝 磁気共鳴イメージング装置

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JP2017035306A (ja) 2017-02-16
US10598740B2 (en) 2020-03-24

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