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 PDFInfo
- Publication number
- 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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- Prior art keywords
- voltage
- gradient
- energy buffer
- power
- amplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 claims description 35
- 238000002595 magnetic resonance imaging Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 11
- 238000004590 computer program Methods 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- 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)
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 JP2015512737A5 (cg-RX-API-DMAC7.html) | 2016-05-26 |
| JP5976920B2 true JP5976920B2 (ja) | 2016-08-24 |
Family
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 (cg-RX-API-DMAC7.html) |
| EP (1) | EP2839306B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP5976920B2 (cg-RX-API-DMAC7.html) |
| CN (1) | CN104220891B (cg-RX-API-DMAC7.html) |
| RU (1) | RU2616773C2 (cg-RX-API-DMAC7.html) |
| WO (1) | WO2013156889A1 (cg-RX-API-DMAC7.html) |
Cited By (1)
| 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 |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| TW202216059A (zh) * | 2020-09-08 | 2022-05-01 | 美商海珀菲纳股份有限公司 | 提供操作電源至磁共振成像(mri)系統之系統及方法 |
| 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 |
Family Cites Families (16)
| 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 |
| 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 |
| 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 |
| JP2006516439A (ja) * | 2003-02-03 | 2006-07-06 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 複数の出力レベルを有する精密な傾斜増幅器 |
| 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 |
| JP5976920B2 (ja) * | 2012-04-16 | 2016-08-24 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 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 |
| 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 |
-
2013
- 2013-04-04 JP JP2015505041A patent/JP5976920B2/ja not_active Expired - Fee Related
- 2013-04-04 CN CN201380019897.6A patent/CN104220891B/zh active Active
- 2013-04-04 EP EP13726866.0A patent/EP2839306B1/en not_active Not-in-force
- 2013-04-04 RU RU2014145680A patent/RU2616773C2/ru not_active IP Right Cessation
- 2013-04-04 US US14/394,643 patent/US9897672B2/en active Active
- 2013-04-04 WO PCT/IB2013/052695 patent/WO2013156889A1/en not_active Ceased
Cited By (2)
| 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 |
|---|---|
| WO2013156889A1 (en) | 2013-10-24 |
| RU2014145680A (ru) | 2016-06-10 |
| US9897672B2 (en) | 2018-02-20 |
| RU2616773C2 (ru) | 2017-04-18 |
| EP2839306A1 (en) | 2015-02-25 |
| JP2015512737A (ja) | 2015-04-30 |
| CN104220891B (zh) | 2017-08-04 |
| US20150054509A1 (en) | 2015-02-26 |
| EP2839306B1 (en) | 2016-11-02 |
| CN104220891A (zh) | 2014-12-17 |
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