JP2015512737A5 - - Google Patents

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Publication number
JP2015512737A5
JP2015512737A5 JP2015505041A JP2015505041A JP2015512737A5 JP 2015512737 A5 JP2015512737 A5 JP 2015512737A5 JP 2015505041 A JP2015505041 A JP 2015505041A JP 2015505041 A JP2015505041 A JP 2015505041A JP 2015512737 A5 JP2015512737 A5 JP 2015512737A5
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JP
Japan
Prior art keywords
voltage
gradient
energy buffer
power
gradient amplifier
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Application number
JP2015505041A
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English (en)
Japanese (ja)
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JP5976920B2 (ja
JP2015512737A (ja
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Priority claimed from PCT/IB2013/052695 external-priority patent/WO2013156889A1/en
Publication of JP2015512737A publication Critical patent/JP2015512737A/ja
Publication of JP2015512737A5 publication Critical patent/JP2015512737A5/ja
Application granted granted Critical
Publication of JP5976920B2 publication Critical patent/JP5976920B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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)

Publication Number Publication Date
JP2015512737A JP2015512737A (ja) 2015-04-30
JP2015512737A5 true JP2015512737A5 (https=) 2016-05-26
JP5976920B2 JP5976920B2 (ja) 2016-08-24

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ID=48576467

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (6)

Country Link
US (1) US9897672B2 (https=)
EP (1) EP2839306B1 (https=)
JP (1) JP5976920B2 (https=)
CN (1) CN104220891B (https=)
RU (1) RU2616773C2 (https=)
WO (1) WO2013156889A1 (https=)

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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
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
US11860255B2 (en) * 2020-09-08 2024-01-02 Hyperfine Operations, Inc. Systems and methods for providing operating power to an 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

Family Cites Families (16)

* 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
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
US6552448B1 (en) 1999-09-08 2003-04-22 Harman International Industries, Incorporated Energy management system for series connected amplifiers
US7253625B2 (en) 2003-02-03 2007-08-07 Koninklijke Philips Electronics N.V. Precision gradient amplifier with multiple output voltage levels
EP1595159A1 (en) * 2003-02-03 2005-11-16 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

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