CN104220891B - 具有附加的能量缓冲器的mri梯度功率系统 - Google Patents

具有附加的能量缓冲器的mri梯度功率系统 Download PDF

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Publication number
CN104220891B
CN104220891B CN201380019897.6A CN201380019897A CN104220891B CN 104220891 B CN104220891 B CN 104220891B CN 201380019897 A CN201380019897 A CN 201380019897A CN 104220891 B CN104220891 B CN 104220891B
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China
Prior art keywords
gradient
voltage
energy buffer
supply
gradient coil
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CN201380019897.6A
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Chinese (zh)
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CN104220891A (zh
Inventor
E·J·F·M·斯米茨
M·A·霍兰德
J·P·斯洪德贝克
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Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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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)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201380019897.6A 2012-04-16 2013-04-04 具有附加的能量缓冲器的mri梯度功率系统 Active CN104220891B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261624481P 2012-04-16 2012-04-16
US61/624,481 2012-04-16
PCT/IB2013/052695 WO2013156889A1 (en) 2012-04-16 2013-04-04 Mri gradient power system with add on energy buffer

Publications (2)

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CN104220891A CN104220891A (zh) 2014-12-17
CN104220891B true CN104220891B (zh) 2017-08-04

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CN201380019897.6A Active CN104220891B (zh) 2012-04-16 2013-04-04 具有附加的能量缓冲器的mri梯度功率系统

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US (1) US9897672B2 (enExample)
EP (1) EP2839306B1 (enExample)
JP (1) JP5976920B2 (enExample)
CN (1) CN104220891B (enExample)
RU (1) RU2616773C2 (enExample)
WO (1) WO2013156889A1 (enExample)

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DE102011086314B4 (de) * 2011-11-14 2015-12-10 Siemens Aktiengesellschaft MRT-Anlage mit wenigstens einer Magnetspule und Verfahren zum Herstellen einer Schaltungsanordnung zum Schalten eines Spulenstroms
US9897672B2 (en) * 2012-04-16 2018-02-20 Koninklijke Philips Electronics N.V. MRI gradient power system with add on energy buffer
US10317484B2 (en) 2014-10-09 2019-06-11 General Electric Company Method and system for contactless power transfer in a gate driver unit
US10067203B2 (en) * 2015-10-09 2018-09-04 General Electric Company Energy storage solution for an MRI system
CN107260327B (zh) 2016-03-31 2021-01-05 通用电气公司 用于操控医疗成像装置的峰值功率要求的系统和方法
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
CN107450040A (zh) * 2017-07-11 2017-12-08 上海东软医疗科技有限公司 一种状态空间控制器及控制方法、梯度功率放大器
EP3528000A1 (en) * 2018-02-15 2019-08-21 Koninklijke Philips N.V. Rf transmit system with switchable power supply device
US10557901B2 (en) 2018-02-21 2020-02-11 General Electric Company Systems and methods for providing gradient power for an MRI system
US10788551B2 (en) 2018-05-30 2020-09-29 General Electric Company Synchronized control of power supply and gradient amplifier in MRI systems
EP3644084A1 (en) 2018-10-23 2020-04-29 Koninklijke Philips N.V. Generation of rf pulses for mri applications
CN116368394A (zh) 2020-09-08 2023-06-30 海珀菲纳运营有限公司 向磁共振成像(mri)系统提供操作电力的系统和方法
CN120143032A (zh) * 2025-05-13 2025-06-13 华中科技大学同济医学院附属同济医院 一种磁共振射频线圈及其控制方法

Citations (5)

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US5063349A (en) * 1990-06-04 1991-11-05 General Electric Company Transformer-coupled gradient speed-up circuit
US5270657A (en) * 1992-03-23 1993-12-14 General Electric Company Split gradient amplifier for an MRI system
US6552448B1 (en) * 1999-09-08 2003-04-22 Harman International Industries, Incorporated Energy management system for series connected amplifiers
CN1745315A (zh) * 2003-02-03 2006-03-08 皇家飞利浦电子股份有限公司 具有多个输出电压电平的精确mri梯度放大器
JP2009240526A (ja) * 2008-03-31 2009-10-22 Ge Medical Systems Global Technology Co Llc Ｍｒｉ装置

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JP3431654B2 (ja) * 1992-03-23 2003-07-28 ゼネラル・エレクトリック・カンパニイ 線形増幅器と直流電源の組み合わせを用いる勾配増幅システム
RU2047871C1 (ru) * 1992-12-23 1995-11-10 Российский научный центр "Курчатовский институт" Устройство магниторезонансного томографа
DE19511832C2 (de) 1995-03-30 1997-01-30 Siemens Ag Verfahren und Vorrichtung zur Gradientenstromversorgung für ein Kernspintomographiegerät
DE19511833C2 (de) * 1995-03-30 1998-04-23 Siemens Ag Gradientenstromversorgung für ein Kernspintographiegerät
DE19731690C2 (de) * 1997-07-23 1999-10-28 Siemens Ag Leistungsverstärker und Kernspintomograph
US7253625B2 (en) 2003-02-03 2007-08-07 Koninklijke Philips Electronics N.V. Precision gradient amplifier with multiple output voltage levels
DE10353965A1 (de) 2003-11-19 2005-06-09 Siemens Ag Verstärker mit endstufen-gesteuerter Regelung
EP2261685B1 (en) * 2009-02-25 2012-09-26 Bruker Biospin SA Magnetic field gradient generating system and a method for reducing the noise level in NMR/MRI experiments
US9897672B2 (en) * 2012-04-16 2018-02-20 Koninklijke Philips Electronics N.V. MRI gradient power system with add on energy buffer
JP6472592B2 (ja) * 2012-04-18 2019-02-20 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、磁気共鳴イメージング方法
JP6611589B2 (ja) * 2015-12-17 2019-11-27 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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5063349A (en) * 1990-06-04 1991-11-05 General Electric Company Transformer-coupled gradient speed-up circuit
US5270657A (en) * 1992-03-23 1993-12-14 General Electric Company Split gradient amplifier for an MRI system
US6552448B1 (en) * 1999-09-08 2003-04-22 Harman International Industries, Incorporated Energy management system for series connected amplifiers
CN1745315A (zh) * 2003-02-03 2006-03-08 皇家飞利浦电子股份有限公司 具有多个输出电压电平的精确mri梯度放大器
JP2009240526A (ja) * 2008-03-31 2009-10-22 Ge Medical Systems Global Technology Co Llc Ｍｒｉ装置

Also Published As

Publication number Publication date
JP5976920B2 (ja) 2016-08-24
RU2616773C2 (ru) 2017-04-18
EP2839306A1 (en) 2015-02-25
JP2015512737A (ja) 2015-04-30
CN104220891A (zh) 2014-12-17
WO2013156889A1 (en) 2013-10-24
US20150054509A1 (en) 2015-02-26
EP2839306B1 (en) 2016-11-02
US9897672B2 (en) 2018-02-20
RU2014145680A (ru) 2016-06-10

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