JP5976920B2 - アドオン方式のエネルギーバッファを備えるｍｒｉ勾配電力システム - Google Patents

アドオン方式のエネルギーバッファを備えるｍｒｉ勾配電力システム Download PDF

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JP5976920B2
JP5976920B2 JP2015505041A JP2015505041A JP5976920B2 JP 5976920 B2 JP5976920 B2 JP 5976920B2 JP 2015505041 A JP2015505041 A JP 2015505041A JP 2015505041 A JP2015505041 A JP 2015505041A JP 5976920 B2 JP5976920 B2 JP 5976920B2
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voltage
gradient
energy buffer
power
amplifier
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JP2015512737A (ja
JP2015512737A5 (enExample
Inventor
ユーヘニオ ヨハネス フランシスクス マリア スミッツ
ユーヘニオ ヨハネス フランシスクス マリア スミッツ
マーティン アレクサンデル ホランデル
マーティン アレクサンデル ホランデル
ヨハネス パウルス スホーンデルベーク
ヨハネス パウルス スホーンデルベーク
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Koninklijke Philips NV
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Koninklijke Philips 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)
JP2015505041A 2012-04-16 2013-04-04 アドオン方式のエネルギーバッファを備えるｍｒｉ勾配電力システム Expired - Fee Related JP5976920B2 (ja)

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 (3)

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JP2015512737A JP2015512737A (ja) 2015-04-30
JP2015512737A5 JP2015512737A5 (enExample) 2016-05-26
JP5976920B2 true JP5976920B2 (ja) 2016-08-24

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JP2015505041A Expired - Fee Related JP5976920B2 (ja) 2012-04-16 2013-04-04 アドオン方式のエネルギーバッファを備えるｍｒｉ勾配電力システム

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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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150054509A1 (en) * 2012-04-16 2015-02-26 Koninklijke Philips N.V. Mri gradient power system with add on energy buffer

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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
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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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
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
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
JP5367293B2 (ja) * 2008-03-31 2013-12-11 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｍｒｉ装置
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
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150054509A1 (en) * 2012-04-16 2015-02-26 Koninklijke Philips N.V. Mri gradient power system with add on energy buffer
US9897672B2 (en) * 2012-04-16 2018-02-20 Koninklijke Philips Electronics N.V. MRI gradient power system with add on energy buffer

Also Published As

Publication number Publication date
JP2015512737A (ja) 2015-04-30
RU2616773C2 (ru) 2017-04-18
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

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