JP5578883B2 - Ｎｍｒ／ｍｒｉ実験におけるノイズレベルを低減するための、傾斜磁場発生システム及び方法 - Google Patents

Ｎｍｒ／ｍｒｉ実験におけるノイズレベルを低減するための、傾斜磁場発生システム及び方法 Download PDF

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JP5578883B2
JP5578883B2 JP2010040785A JP2010040785A JP5578883B2 JP 5578883 B2 JP5578883 B2 JP 5578883B2 JP 2010040785 A JP2010040785 A JP 2010040785A JP 2010040785 A JP2010040785 A JP 2010040785A JP 5578883 B2 JP5578883 B2 JP 5578883B2
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gradient
magnetic field
conversion
field generation
generation system
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JP2010210619A5 (enExample
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シャフェー アーネスト
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ブリユケール・ビオスパン
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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

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2010040785A 2009-02-25 2010-02-25 Ｎｍｒ／ｍｒｉ実験におけるノイズレベルを低減するための、傾斜磁場発生システム及び方法 Active JP5578883B2 (ja)

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EP09305176.1 2009-02-25
EP09305176A EP2261685B1 (en) 2009-02-25 2009-02-25 Magnetic field gradient generating system and a method for reducing the noise level in NMR/MRI experiments

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JP2010210619A JP2010210619A (ja) 2010-09-24
JP2010210619A5 JP2010210619A5 (enExample) 2013-04-04
JP5578883B2 true JP5578883B2 (ja) 2014-08-27

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DE102011079490B4 (de) 2011-07-20 2013-02-21 Siemens Aktiengesellschaft Ansteuerung von Gradientenspulen unter Berücksichtigung der induktiven Kopplung
EP2839306B1 (en) * 2012-04-16 2016-11-02 Koninklijke Philips N.V. Mri gradient power system with add on energy buffer
DE102014211137A1 (de) * 2014-06-11 2015-12-17 Siemens Aktiengesellschaft Magnetresonanzeinrichtung
CN107797150B (zh) * 2017-11-22 2023-09-15 中国地质大学（武汉） 一种瞬变电磁仪接收机
DE102022204340A1 (de) * 2022-05-03 2023-11-09 Siemens Healthcare Gmbh Reduzieren und Korrigieren von Magnetfeldgradienten-Abweichungen
CN116456246A (zh) * 2023-04-19 2023-07-18 汉桑(南京)科技股份有限公司 一种功放负载阻抗动态估计方法和系统

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Publication number Priority date Publication date Assignee Title
JPH0658377B2 (ja) * 1985-11-05 1994-08-03 株式会社東芝 磁気共鳴映像装置
JPH06404U (ja) * 1992-06-15 1994-01-11 横河メディカルシステム株式会社 Ｍｒ装置用勾配電源
FR2698176B1 (fr) * 1992-11-16 1995-01-27 Sadis Bruker Spectrospin Dispositif de commutation et procédé de commande mettant en Óoeuvre ledit dispositif.
US5349296A (en) * 1993-07-09 1994-09-20 Picker International, Inc. Magnetic resonance scan sequencer
US6900638B1 (en) * 2000-03-31 2005-05-31 Ge Medical Technology Services, Inc. Switching device to linearly conduct a current between a gradient amplifier and a gradient coil assembly of an MRI system
AU2003272029A1 (en) * 2002-11-20 2004-06-15 Koninklijke Philips Electronics N.V. Self-shielded gradient field coil for magnetic resonance imaging
US7053614B2 (en) * 2004-04-08 2006-05-30 Varian, Inc. Optimized channel controller for NMR apparatus
US7847552B2 (en) * 2007-01-10 2010-12-07 General Electric Company Exclusion of compromised PET data during simultaneous PET-MR acquisition

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EP2261685B1 (en) 2012-09-26
US8228064B2 (en) 2012-07-24
US20100213940A1 (en) 2010-08-26
EP2261685A1 (en) 2010-12-15
JP2010210619A (ja) 2010-09-24

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