CN103069295B - 包括作为屏蔽材料的传导性涂层的用于mri 的rf屏蔽 - Google Patents

包括作为屏蔽材料的传导性涂层的用于mri 的rf屏蔽 Download PDF

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Publication number
CN103069295B
CN103069295B CN201180041003.4A CN201180041003A CN103069295B CN 103069295 B CN103069295 B CN 103069295B CN 201180041003 A CN201180041003 A CN 201180041003A CN 103069295 B CN103069295 B CN 103069295B
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China
Prior art keywords
shield
gradient coil
gradient
conductive coating
shielding
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Chinese (zh)
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CN103069295A (zh
Inventor
C·L·G·哈姆
G·B·J·米尔德
F·乌勒曼
O·利普斯
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Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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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
    • G01R33/42—Screening
    • G01R33/422—Screening of the radio frequency field
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
    • 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
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56518—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to eddy currents, e.g. caused by switching of the gradient magnetic field

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201180041003.4A 2010-08-25 2011-08-19 包括作为屏蔽材料的传导性涂层的用于mri 的rf屏蔽 Active CN103069295B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10173946 2010-08-25
EP10173946.4 2010-08-25
PCT/IB2011/053658 WO2012025860A1 (en) 2010-08-25 2011-08-19 Rf shield for mri comprising conductive coating as shielding material

Publications (2)

Publication Number Publication Date
CN103069295A CN103069295A (zh) 2013-04-24
CN103069295B true CN103069295B (zh) 2016-06-22

Family

ID=44645159

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CN201180041003.4A Active CN103069295B (zh) 2010-08-25 2011-08-19 包括作为屏蔽材料的传导性涂层的用于mri 的rf屏蔽

Country Status (6)

Country Link
US (1) US9417301B2 (https=)
EP (1) EP2609443A1 (https=)
JP (1) JP5961612B2 (https=)
CN (1) CN103069295B (https=)
RU (1) RU2572646C2 (https=)
WO (1) WO2012025860A1 (https=)

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RU2572646C2 (ru) * 2010-08-25 2016-01-20 Конинклейке Филипс Электроникс Н.В. Радиочастотный экран для формирования магнитно-резонансных изображений, включающий в себя проводящее покрытие в качестве экранирующего материала
US9116215B2 (en) * 2013-01-09 2015-08-25 General Electric Company Composite RF shield and method of making same
US9817093B2 (en) 2014-09-05 2017-11-14 Hyperfine Research, Inc. Low field magnetic resonance imaging methods and apparatus
DE202016104835U1 (de) * 2016-09-01 2017-12-06 Anita Silvia Zwerger-Schuster Vorrichtung zur Durchführung von EMV-Test-Messungen
DE102016224357A1 (de) * 2016-12-07 2018-04-19 Siemens Healthcare Gmbh Bildgebendes Medizingerät mit HF-Schirm
CN108241134A (zh) * 2018-03-21 2018-07-03 南京磁晨医疗技术有限公司 一种使用复合材料冷却水管的梯度线圈
WO2020155137A1 (en) 2019-02-02 2020-08-06 Shanghai United Imaging Healthcare Co., Ltd. Radiation therapy system and method
EP4429022A4 (en) * 2022-01-13 2025-03-19 Samsung Electronics Co., Ltd. ELECTRONIC DEVICE COMPRISING AN ANTENNA
DE102023209136A1 (de) * 2023-09-20 2025-03-20 Siemens Healthineers Ag Rekonfigurierbare Lokalspule, Vorrichtung zum Rekonfigurieren und Verfahren zum Betrieb

Citations (6)

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WO1994001785A1 (en) * 1992-07-10 1994-01-20 Doty Scientific, Inc. Solenoidal, octopolar, transverse gradient coils
US5349297A (en) * 1992-03-27 1994-09-20 Picker International Inc. Combined self shielded gradient coil and shimset
EP0430104B1 (en) * 1989-11-28 1998-04-15 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus
CN1179543A (zh) * 1996-08-16 1998-04-22 通用电气公司 为rf电流提供多路容性信道的用于mr系统rf线圈的屏蔽
EP0896228A1 (en) * 1997-08-07 1999-02-10 Picker International, Inc. Self-shielded gradient coil assembly and method of manufacturing the same
CN101216540A (zh) * 2007-01-05 2008-07-09 株式会社东芝 磁共振成像装置

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JPS63122442A (ja) * 1986-11-12 1988-05-26 株式会社東芝 磁気共鳴イメ−ジング装置
JPS63246437A (ja) 1987-04-01 1988-10-13 Mazda Motor Corp エンジンの空燃比制御装置
JPH0295347A (ja) 1988-09-30 1990-04-06 Toshiba Corp 磁気共鳴映像装置
JP3092106B2 (ja) 1990-03-05 2000-09-25 株式会社日立メディコ 磁気共鳴イメージング装置
US5243286A (en) * 1990-06-06 1993-09-07 Advanced Nmr Systems, Inc. Split shield for magnetic resonance imaging
US5304932A (en) 1990-11-05 1994-04-19 The Regents Of The University Of California Apparatus and method for shielding MRI RF antennae from the effect of surrounding objects
JPH05237071A (ja) 1991-05-13 1993-09-17 Yokogawa Medical Syst Ltd Ｎｍｒイメージング装置用勾配コイルの製造方法
DE4232884C2 (de) 1992-09-30 1997-10-16 Siemens Ag Antennenanordnung für ein Kernspinresonanzgerät
US5886596A (en) * 1993-08-06 1999-03-23 Uab Research Foundation Radio frequency volume coils for imaging and spectroscopy
FI103632B1 (fi) * 1994-06-16 1999-07-30 Nokia Mobile Phones Ltd Rf-suoja
US5539314A (en) * 1994-12-01 1996-07-23 The Regents Of The University Of California RF shield for four-post vertical field magnet used for MRI
JPH08322815A (ja) * 1995-05-31 1996-12-10 Shimadzu Corp Ｍｒｉ装置
JPH1176192A (ja) 1997-09-10 1999-03-23 Ge Yokogawa Medical Syst Ltd Ｒｆシールド板および磁気共鳴撮像装置
US6954068B1 (en) 2000-01-21 2005-10-11 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus
US20020073717A1 (en) 2000-12-19 2002-06-20 Dean David E. MR scanner including liquid cooled RF coil and method
US6593744B2 (en) 2001-11-20 2003-07-15 Koninklijke Philips Electronics, N.V. Multi-channel RF cable trap for magnetic resonance apparatus
US6818291B2 (en) 2002-08-17 2004-11-16 3M Innovative Properties Company Durable transparent EMI shielding film
DE10354228B3 (de) 2003-11-20 2005-09-22 Siemens Ag Gradientenspulen-Hochfrequenzantenneneinheit und Magnetresonanzgerät mit einer Gradientenspulen-Hochfrequenzantenneneinheit
US7102350B2 (en) * 2004-06-30 2006-09-05 General Electric Company Shielding apparatus for magnetic resonance imaging
DE102004040062B3 (de) 2004-08-18 2006-04-27 Siemens Ag Magnetresonanzgerät mit einer HF-Antenneneinheit und einer Gradientenspuleneinheit
DE102005033989B4 (de) * 2005-07-21 2008-07-10 Bruker Biospin Ag Kernspinresonanzapparatur mit Gradientenabschirmanordnung mit reduzierter Kopplung zum Resonatorsystem
US7489132B2 (en) 2006-12-15 2009-02-10 General Electric Company Enhanced heat transfer in MRI gradient coils with phase-change materials
US7511502B2 (en) 2007-01-05 2009-03-31 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus
RU2572646C2 (ru) * 2010-08-25 2016-01-20 Конинклейке Филипс Электроникс Н.В. Радиочастотный экран для формирования магнитно-резонансных изображений, включающий в себя проводящее покрытие в качестве экранирующего материала

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0430104B1 (en) * 1989-11-28 1998-04-15 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus
US5349297A (en) * 1992-03-27 1994-09-20 Picker International Inc. Combined self shielded gradient coil and shimset
WO1994001785A1 (en) * 1992-07-10 1994-01-20 Doty Scientific, Inc. Solenoidal, octopolar, transverse gradient coils
CN1179543A (zh) * 1996-08-16 1998-04-22 通用电气公司 为rf电流提供多路容性信道的用于mr系统rf线圈的屏蔽
EP0896228A1 (en) * 1997-08-07 1999-02-10 Picker International, Inc. Self-shielded gradient coil assembly and method of manufacturing the same
CN101216540A (zh) * 2007-01-05 2008-07-09 株式会社东芝 磁共振成像装置

Also Published As

Publication number Publication date
US9417301B2 (en) 2016-08-16
CN103069295A (zh) 2013-04-24
US20130207659A1 (en) 2013-08-15
RU2013112893A (ru) 2014-09-27
RU2572646C2 (ru) 2016-01-20
WO2012025860A1 (en) 2012-03-01
JP5961612B2 (ja) 2016-08-02
JP2013541357A (ja) 2013-11-14
EP2609443A1 (en) 2013-07-03

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