JP6611589B2 - 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
JP6611589B2
JP6611589B2 JP2015246584A JP2015246584A JP6611589B2 JP 6611589 B2 JP6611589 B2 JP 6611589B2 JP 2015246584 A JP2015246584 A JP 2015246584A JP 2015246584 A JP2015246584 A JP 2015246584A JP 6611589 B2 JP6611589 B2 JP 6611589B2
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Japan
Prior art keywords
coil
magnetic field
circuit
frequency
gradient
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JP2015246584A
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Japanese (ja)
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JP2017108968A5 (enExample
JP2017108968A (ja
Inventor
将 川尻
資弘 三浦
直幸 古舘
豊 待井
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Canon Medical Systems Corp
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Canon Medical Systems Corp
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Application filed by Canon Medical Systems Corp filed Critical Canon Medical Systems Corp
Priority to JP2015246584A priority Critical patent/JP6611589B2/ja
Priority to US15/377,249 priority patent/US10371772B2/en
Publication of JP2017108968A publication Critical patent/JP2017108968A/ja
Publication of JP2017108968A5 publication Critical patent/JP2017108968A5/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
    • G01R33/20—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
    • G01R33/3852—Gradient amplifiers; means for controlling the application of a gradient magnetic field to the sample, e.g. a gradient signal synthesizer
    • 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
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2015246584A 2015-12-17 2015-12-17 磁気共鳴イメージング装置 Active JP6611589B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2015246584A JP6611589B2 (ja) 2015-12-17 2015-12-17 磁気共鳴イメージング装置
US15/377,249 US10371772B2 (en) 2015-12-17 2016-12-13 Magnetic resonance imaging apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015246584A JP6611589B2 (ja) 2015-12-17 2015-12-17 磁気共鳴イメージング装置

Publications (3)

Publication Number Publication Date
JP2017108968A JP2017108968A (ja) 2017-06-22
JP2017108968A5 JP2017108968A5 (enExample) 2018-12-27
JP6611589B2 true JP6611589B2 (ja) 2019-11-27

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ID=59066174

Family Applications (1)

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JP2015246584A Active JP6611589B2 (ja) 2015-12-17 2015-12-17 磁気共鳴イメージング装置

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US (1) US10371772B2 (enExample)
JP (1) JP6611589B2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2839306B1 (en) * 2012-04-16 2016-11-02 Koninklijke Philips N.V. Mri gradient power system with add on energy buffer
US10281540B2 (en) * 2015-04-13 2019-05-07 Hyperfine Research, Inc. Magnetic coil power methods and apparatus
US10310038B2 (en) * 2016-05-24 2019-06-04 General Electric Company System and method for supplying electrical power to a gradient amplifier
JP6956597B2 (ja) * 2017-11-08 2021-11-02 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
EP3528001A1 (en) * 2018-02-15 2019-08-21 Koninklijke Philips N.V. Multi-channel rf transmit system
EP3644084A1 (en) 2018-10-23 2020-04-29 Koninklijke Philips N.V. Generation of rf pulses for mri applications
EP3819653B1 (de) * 2019-11-07 2023-09-06 Siemens Healthcare GmbH Verfahren zum prüfen einer empfangskette eines magnetresonanztomographen
EP4211481A4 (en) * 2020-09-08 2024-09-18 Hyperfine Operations, Inc. SYSTEMS AND METHODS FOR PROVIDING OPERATING POWER FOR A MAGNETIC RESONANCE IMAGING (MRI) SYSTEM

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4785536B2 (ja) * 2006-01-06 2011-10-05 キヤノン株式会社 撮像装置
EP2234263A1 (en) * 2009-03-27 2010-09-29 Koninklijke Philips Electronics N.V. A power supply, method, and computer program product for supplying electrical power to a load
US8643383B2 (en) * 2011-01-28 2014-02-04 Rockwell Automation Technologies, Inc. Drive failure protection
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
CN102958433B (zh) * 2011-06-13 2015-04-22 株式会社东芝 磁共振成像装置以及倾斜磁场发生系统的负荷算出方法
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
CN103176150B (zh) * 2011-12-21 2015-08-26 通用电气公司 梯度放大器系统及其控制方法
JP2015198737A (ja) * 2014-04-07 2015-11-12 株式会社東芝 磁気共鳴イメージング装置及び傾斜磁場電源
JP6639830B2 (ja) 2015-08-10 2020-02-05 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

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Publication number Publication date
US20170176555A1 (en) 2017-06-22
JP2017108968A (ja) 2017-06-22
US10371772B2 (en) 2019-08-06

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