CN105425180B - 用于运行磁共振装置的方法和磁共振装置 - Google Patents
用于运行磁共振装置的方法和磁共振装置 Download PDFInfo
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- CN105425180B CN105425180B CN201510575257.4A CN201510575257A CN105425180B CN 105425180 B CN105425180 B CN 105425180B CN 201510575257 A CN201510575257 A CN 201510575257A CN 105425180 B CN105425180 B CN 105425180B
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- gradient
- power amplifier
- gradient coil
- magnetic resonance
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000004590 computer program Methods 0.000 claims description 9
- 238000004088 simulation Methods 0.000 claims description 8
- 230000003071 parasitic effect Effects 0.000 claims description 6
- 238000003012 network analysis Methods 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 2
- 238000004364 calculation method Methods 0.000 claims 1
- 238000013459 approach Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 238000004804 winding Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000010891 electric arc Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000001143 conditioned effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
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- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
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- 238000005325 percolation Methods 0.000 description 1
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Classifications
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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
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B17/00—Systems involving the use of models or simulators of said systems
- G05B17/02—Systems involving the use of models or simulators of said systems electric
-
- 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)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014218183.6 | 2014-09-11 | ||
DE102014218183 | 2014-09-11 | ||
DE102015214925.0A DE102015214925B4 (de) | 2014-09-11 | 2015-08-05 | Verfahren zum Betrieb einer Magnetresonanzeinrichtung und Magnetresonanzeinrichtung |
DE102015214925.0 | 2015-08-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105425180A CN105425180A (zh) | 2016-03-23 |
CN105425180B true CN105425180B (zh) | 2018-08-31 |
Family
ID=55406258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510575257.4A Active CN105425180B (zh) | 2014-09-11 | 2015-09-10 | 用于运行磁共振装置的方法和磁共振装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US10261484B2 (zh) |
CN (1) | CN105425180B (zh) |
DE (1) | DE102015214925B4 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015217723B4 (de) * | 2015-09-16 | 2018-08-02 | Siemens Healthcare Gmbh | Lokale Sendespule mit integrierter Sicherheitseinrichtung |
US10310038B2 (en) * | 2016-05-24 | 2019-06-04 | General Electric Company | System and method for supplying electrical power to a gradient amplifier |
DE102017213026A1 (de) * | 2017-07-28 | 2019-01-31 | Siemens Healthcare Gmbh | Gradientenspule zur Erzeugung eines Magnetfeldgradienten und eines Magnetfeldes höherer Ordnung |
CN109419508B (zh) * | 2017-09-01 | 2022-08-09 | 西门子(深圳)磁共振有限公司 | 实现磁共振条件安全植入物扫描安全的系统、装置及方法 |
CN111813000B (zh) * | 2020-06-11 | 2023-04-11 | 广西电网有限责任公司电力科学研究院 | 一种配电网实境试验平台铁磁谐振仿真的方法及装置 |
CN113225032A (zh) * | 2021-04-30 | 2021-08-06 | 上海市医疗器械检验研究院 | 一种梯度功率放大器可靠性测试系统及方法 |
CN117783831B (zh) * | 2024-01-03 | 2024-07-19 | 深圳市鸿富胜科技有限公司 | 一种功率放大器的调试方法及系统 |
Citations (5)
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CN87108118A (zh) * | 1986-12-03 | 1988-06-15 | 菲利浦光灯制造公司 | 磁共振成象装置用的梯度线圈 |
CN1427267A (zh) * | 2001-12-21 | 2003-07-02 | 中国科学院电工研究所 | 磁共振成像的方法和装置 |
CN1439890A (zh) * | 2002-02-20 | 2003-09-03 | 特斯拉工程有限公司 | 用于磁共振成像的梯度线圈结构 |
CN101013810A (zh) * | 2006-02-03 | 2007-08-08 | 西门子公司 | 用于识别短路或过电流的电路 |
DE102012202416B3 (de) * | 2012-02-16 | 2013-06-13 | Siemens Aktiengesellschaft | Verfahren zum Betreiben einer Spule sowie Überwachungsmodul, Magnetresonanztomographiesystem und Computerprogramm |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6211675B1 (en) * | 1998-11-12 | 2001-04-03 | General Electric Company | Automatic measurement of gradient field distortion |
US6448773B1 (en) * | 2000-02-24 | 2002-09-10 | Toshiba America Mri, Inc. | Method and system for measuring and compensating for eddy currents induced during NMR imaging operations |
US7116166B2 (en) * | 2004-06-15 | 2006-10-03 | General Electric Company | High fidelity, high power switched amplifier |
CN102077108B (zh) * | 2008-04-28 | 2015-02-25 | 康奈尔大学 | 分子mri中的磁敏度精确量化 |
WO2010004492A1 (en) | 2008-07-11 | 2010-01-14 | Koninklijke Philips Electronics N.V. | Digital amplifier with feedforward and feedback control |
WO2012063183A2 (en) * | 2010-11-08 | 2012-05-18 | Koninklijke Philips Electronics N.V. | Low latency signaling over digital network |
JP2013000173A (ja) * | 2011-06-13 | 2013-01-07 | Toshiba Corp | 磁気共鳴イメージング装置及びその制御装置 |
EP2729824B1 (en) * | 2011-07-04 | 2021-05-12 | Koninklijke Philips N.V. | Magnetic resonance imaging system with a multi-channel impedance matching network |
EP2845023A1 (en) * | 2012-05-04 | 2015-03-11 | The Regents of the University of Michigan | Mean diffusivity measurement corrections for gradient non-linearity |
CN104583793B (zh) * | 2012-07-25 | 2019-07-16 | 皇家飞利浦有限公司 | 能在不同转换速率工作的mri梯度放大器 |
DE102013202559B3 (de) * | 2013-02-18 | 2014-08-21 | Siemens Aktiengesellschaft | Optimierung einer MR-Pulssequenz durch automatisches Optimieren von Gradientenpulsen in veränderbaren Intervallen |
DE102015205150A1 (de) * | 2015-03-23 | 2016-09-29 | Siemens Healthcare Gmbh | Verfahren zur Korrektur von durch den Betrieb von Gradientenspulen auftretenden Feldstörungen höherer Ordnung und Magnetresonanzeinrichtung |
JP2016198392A (ja) * | 2015-04-13 | 2016-12-01 | 東芝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 |
DE102016207351A1 (de) * | 2016-04-29 | 2017-11-02 | Siemens Healthcare Gmbh | Verfahren zur Positionsbestimmung einer Empfangsspule in einer Magnetresonanzeinrichtung, medizinische Einrichtung, Computerprogramm und elektronisch lesbarer Datenträger |
DE102016209297A1 (de) * | 2016-05-30 | 2017-11-30 | Siemens Healthcare Gmbh | Verfahren zu einem Unterstützen einer Überwachung einer Magnetresonanzuntersuchung an einem Patienten sowie eine Magnetresonanzvorrichtung zur Ausführung des Verfahrens |
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2015
- 2015-08-05 DE DE102015214925.0A patent/DE102015214925B4/de active Active
- 2015-09-10 CN CN201510575257.4A patent/CN105425180B/zh active Active
- 2015-09-11 US US14/851,317 patent/US10261484B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN87108118A (zh) * | 1986-12-03 | 1988-06-15 | 菲利浦光灯制造公司 | 磁共振成象装置用的梯度线圈 |
CN1427267A (zh) * | 2001-12-21 | 2003-07-02 | 中国科学院电工研究所 | 磁共振成像的方法和装置 |
CN1439890A (zh) * | 2002-02-20 | 2003-09-03 | 特斯拉工程有限公司 | 用于磁共振成像的梯度线圈结构 |
CN101013810A (zh) * | 2006-02-03 | 2007-08-08 | 西门子公司 | 用于识别短路或过电流的电路 |
DE102012202416B3 (de) * | 2012-02-16 | 2013-06-13 | Siemens Aktiengesellschaft | Verfahren zum Betreiben einer Spule sowie Überwachungsmodul, Magnetresonanztomographiesystem und Computerprogramm |
Also Published As
Publication number | Publication date |
---|---|
DE102015214925A1 (de) | 2016-03-17 |
US10261484B2 (en) | 2019-04-16 |
US20160077173A1 (en) | 2016-03-17 |
CN105425180A (zh) | 2016-03-23 |
DE102015214925B4 (de) | 2019-06-06 |
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