RU2616773C2 - Градиентная система питания mri с добавленным накопителем энергии - Google Patents

Градиентная система питания mri с добавленным накопителем энергии Download PDF

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RU2616773C2
RU2616773C2 RU2014145680A RU2014145680A RU2616773C2 RU 2616773 C2 RU2616773 C2 RU 2616773C2 RU 2014145680 A RU2014145680 A RU 2014145680A RU 2014145680 A RU2014145680 A RU 2014145680A RU 2616773 C2 RU2616773 C2 RU 2616773C2
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Russia
Prior art keywords
gradient
voltage
energy storage
storage device
amplifier
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RU2014145680A
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English (en)
Russian (ru)
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RU2014145680A (ru
Inventor
Эгенио Йоханнес Франсискус Мария СМИТС
Мартин Александер ХОЛЛАНДЕР
Йоханнес Паулюс СХОНДЕРБЕК
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Конинклейке Филипс Н.В.
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3852Gradient amplifiers; means for controlling the application of a gradient magnetic field to the sample, e.g. a gradient signal synthesizer
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/54Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/543Control 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)
RU2014145680A 2012-04-16 2013-04-04 Градиентная система питания mri с добавленным накопителем энергии RU2616773C2 (ru)

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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RU2014145680A RU2014145680A (ru) 2016-06-10
RU2616773C2 true RU2616773C2 (ru) 2017-04-18

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RU2014145680A RU2616773C2 (ru) 2012-04-16 2013-04-04 Градиентная система питания mri с добавленным накопителем энергии

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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
EP2839306B1 (en) * 2012-04-16 2016-11-02 Koninklijke Philips N.V. Mri gradient power system with add on energy buffer
CN107106075B (zh) * 2014-10-09 2020-06-30 通用电气公司 用于门驱动器单元中的非接触功率传输的方法和系统
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
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
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

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US5270657A (en) * 1992-03-23 1993-12-14 General Electric Company Split gradient amplifier for an MRI system
RU2047871C1 (ru) * 1992-12-23 1995-11-10 Российский научный центр "Курчатовский институт" Устройство магниторезонансного томографа
JP2009240526A (ja) * 2008-03-31 2009-10-22 Ge Medical Systems Global Technology Co Llc Mri装置
EP2261685A1 (en) * 2009-02-25 2010-12-15 Bruker Biospin SA Magnetic field gradient generating system and a method for reducing the noise level in NMR/MRI experiments

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US5063349A (en) * 1990-06-04 1991-11-05 General Electric Company Transformer-coupled gradient speed-up circuit
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
DE19511833C2 (de) * 1995-03-30 1998-04-23 Siemens Ag Gradientenstromversorgung für ein Kernspintographiegerät
DE19511832C2 (de) 1995-03-30 1997-01-30 Siemens Ag Verfahren und Vorrichtung zur Gradientenstromversorgung für ein Kernspintomographiegerät
DE19731690C2 (de) * 1997-07-23 1999-10-28 Siemens Ag Leistungsverstärker und Kernspintomograph
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
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
EP2839306B1 (en) * 2012-04-16 2016-11-02 Koninklijke Philips 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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270657A (en) * 1992-03-23 1993-12-14 General Electric Company Split gradient amplifier for an MRI system
RU2047871C1 (ru) * 1992-12-23 1995-11-10 Российский научный центр "Курчатовский институт" Устройство магниторезонансного томографа
JP2009240526A (ja) * 2008-03-31 2009-10-22 Ge Medical Systems Global Technology Co Llc Mri装置
EP2261685A1 (en) * 2009-02-25 2010-12-15 Bruker Biospin SA Magnetic field gradient generating system and a method for reducing the noise level in NMR/MRI experiments

Also Published As

Publication number Publication date
JP2015512737A (ja) 2015-04-30
EP2839306A1 (en) 2015-02-25
WO2013156889A1 (en) 2013-10-24
CN104220891A (zh) 2014-12-17
US20150054509A1 (en) 2015-02-26
CN104220891B (zh) 2017-08-04
US9897672B2 (en) 2018-02-20
RU2014145680A (ru) 2016-06-10
EP2839306B1 (en) 2016-11-02
JP5976920B2 (ja) 2016-08-24

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