JP6662624B2 - 磁気共鳴イメージング装置及び傾斜磁場電源装置 - Google Patents

磁気共鳴イメージング装置及び傾斜磁場電源装置 Download PDF

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JP6662624B2
JP6662624B2 JP2015237195A JP2015237195A JP6662624B2 JP 6662624 B2 JP6662624 B2 JP 6662624B2 JP 2015237195 A JP2015237195 A JP 2015237195A JP 2015237195 A JP2015237195 A JP 2015237195A JP 6662624 B2 JP6662624 B2 JP 6662624B2
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magnetic field
channel
power
voltage
coil
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Japanese (ja)
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JP2017099786A5 (enExample
JP2017099786A (ja
Inventor
資弘 三浦
資弘 三浦
堀　雅志
雅志 堀
将 川尻
将 川尻
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Canon Medical Systems Corp
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Canon Medical Systems Corp
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Priority to US15/366,451 priority patent/US10809329B2/en
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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
    • G01R33/44—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)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2015237195A 2015-12-04 2015-12-04 磁気共鳴イメージング装置及び傾斜磁場電源装置 Active JP6662624B2 (ja)

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JP2015237195A JP6662624B2 (ja) 2015-12-04 2015-12-04 磁気共鳴イメージング装置及び傾斜磁場電源装置
US15/366,451 US10809329B2 (en) 2015-12-04 2016-12-01 Magnetic resonance imaging apparatus and gradient magnetic field power supply device

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JP2015237195A JP6662624B2 (ja) 2015-12-04 2015-12-04 磁気共鳴イメージング装置及び傾斜磁場電源装置

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JP2017099786A JP2017099786A (ja) 2017-06-08
JP2017099786A5 JP2017099786A5 (enExample) 2018-11-29
JP6662624B2 true JP6662624B2 (ja) 2020-03-11

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JP (1) JP6662624B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023079020A1 (en) * 2021-11-08 2023-05-11 Prodrive Technologies Innovation Services B.V. Rf pulse amplifier comprising a dc/dc converter and method of amplifying an rf pulse

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10310038B2 (en) * 2016-05-24 2019-06-04 General Electric Company System and method for supplying electrical power to a gradient amplifier
JP6965016B2 (ja) * 2017-04-27 2021-11-10 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及びその調整方法
JP7106252B2 (ja) * 2017-06-26 2022-07-26 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
US10989775B2 (en) 2017-11-08 2021-04-27 Canon Medical Systems Corporation Magnetic resonance imaging apparatus for supplying power to gradient coils
JP7154957B2 (ja) * 2017-11-08 2022-10-18 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および電力供給方法
US10557901B2 (en) 2018-02-21 2020-02-11 General Electric Company Systems and methods for providing gradient power for an MRI system

Family Cites Families (11)

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Publication number Priority date Publication date Assignee Title
JPH0363032A (ja) * 1989-07-31 1991-03-19 Toshiba Corp 磁気共鳴映像装置
JP2983256B2 (ja) 1990-06-19 1999-11-29 株式会社東芝 Ｍｒｉ装置
DE69215310T2 (de) * 1991-09-19 1997-06-19 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Verfahren und Apparat zur Bilderzeugung mittels magnetischer Resonanz mit der Möglichkeit der Kompensation von durch Wirbelströme gestörten Gradientenfeldern
JPH06254063A (ja) * 1993-03-05 1994-09-13 Hitachi Medical Corp 磁気共鳴イメージング装置
JPH07163540A (ja) * 1993-12-14 1995-06-27 Toshiba Corp Ｍｒｉシステムの傾斜磁場装置
EP2184615A1 (en) * 2008-11-05 2010-05-12 Koninklijke Philips Electronics N.V. A magnetic resonance imaging system comprising a power supply unit adapted for providing direct current electrical power
JP5836600B2 (ja) * 2010-01-29 2015-12-24 東芝メディカルシステムズ株式会社 傾斜磁場電源及び磁気共鳴映像装置
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
JP6184208B2 (ja) * 2012-07-09 2017-08-23 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
JP6154140B2 (ja) * 2013-01-16 2017-06-28 東芝メディカルシステムズ株式会社 傾斜磁場電源及び磁気共鳴イメージング装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023079020A1 (en) * 2021-11-08 2023-05-11 Prodrive Technologies Innovation Services B.V. Rf pulse amplifier comprising a dc/dc converter and method of amplifying an rf pulse
NL2029664B1 (en) * 2021-11-08 2023-06-05 Prodrive Tech Innovation Services B V Rf pulse amplifier comprising a dc/dc converter

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US10809329B2 (en) 2020-10-20
JP2017099786A (ja) 2017-06-08
US20170160358A1 (en) 2017-06-08

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