RU2616773C2 - Градиентная система питания mri с добавленным накопителем энергии - Google Patents
Градиентная система питания mri с добавленным накопителем энергии Download PDFInfo
- Publication number
- 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
- Authority
- RU
- Russia
- Prior art keywords
- gradient
- voltage
- energy storage
- storage device
- amplifier
- Prior art date
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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
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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)
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)
| Publication Number | Publication Date |
|---|---|
| RU2014145680A RU2014145680A (ru) | 2016-06-10 |
| RU2616773C2 true RU2616773C2 (ru) | 2017-04-18 |
Family
ID=48576467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2014145680A RU2616773C2 (ru) | 2012-04-16 | 2013-04-04 | Градиентная система питания mri с добавленным накопителем энергии |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9897672B2 (enExample) |
| EP (1) | EP2839306B1 (enExample) |
| JP (1) | JP5976920B2 (enExample) |
| CN (1) | CN104220891B (enExample) |
| RU (1) | RU2616773C2 (enExample) |
| WO (1) | WO2013156889A1 (enExample) |
Families Citing this family (13)
| 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 |
| 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 |
Citations (4)
| 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 |
Family Cites Families (12)
| 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 |
| 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 |
-
2013
- 2013-04-04 EP EP13726866.0A patent/EP2839306B1/en not_active Not-in-force
- 2013-04-04 CN CN201380019897.6A patent/CN104220891B/zh active Active
- 2013-04-04 WO PCT/IB2013/052695 patent/WO2013156889A1/en not_active Ceased
- 2013-04-04 US US14/394,643 patent/US9897672B2/en active Active
- 2013-04-04 JP JP2015505041A patent/JP5976920B2/ja not_active Expired - Fee Related
- 2013-04-04 RU RU2014145680A patent/RU2616773C2/ru not_active IP Right Cessation
Patent Citations (4)
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20210405 |