CN104487858B - 用于减小mri系统中的梯度线圈振动的方法和设备 - Google Patents

用于减小mri系统中的梯度线圈振动的方法和设备 Download PDF

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Publication number
CN104487858B
CN104487858B CN201380034244.5A CN201380034244A CN104487858B CN 104487858 B CN104487858 B CN 104487858B CN 201380034244 A CN201380034244 A CN 201380034244A CN 104487858 B CN104487858 B CN 104487858B
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gradient coil
coil assembly
active force
vacuum vessel
force sensor
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CN104487858A (zh
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S.J.卡尔弗特
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Siemens Healthcare GmbH
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Siemens Healthcare GmbH
Siemens PLC
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3854Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils means for active and/or passive vibration damping or acoustical noise suppression in gradient magnet coil systems
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/381Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • G01R33/3815Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F6/00Superconducting magnets; Superconducting coils
    • H01F6/06Coils, e.g. winding, insulating, terminating or casing arrangements therefor

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201380034244.5A 2012-06-26 2013-05-29 用于减小mri系统中的梯度线圈振动的方法和设备 Active CN104487858B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1211345.2 2012-06-26
GB1211345.2A GB2503460B (en) 2012-06-26 2012-06-26 Method and apparatus for reduction of gradient coil vibration in MRI systems
PCT/EP2013/061129 WO2014001014A1 (en) 2012-06-26 2013-05-29 Method and apparatus for reduction of gradient coil vibration in mri systems

Publications (2)

Publication Number Publication Date
CN104487858A CN104487858A (zh) 2015-04-01
CN104487858B true CN104487858B (zh) 2017-03-15

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CN201380034244.5A Active CN104487858B (zh) 2012-06-26 2013-05-29 用于减小mri系统中的梯度线圈振动的方法和设备

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Country Link
US (1) US9939503B2 (enExample)
EP (1) EP2864802B1 (enExample)
JP (1) JP6117351B2 (enExample)
KR (1) KR101654649B1 (enExample)
CN (1) CN104487858B (enExample)
GB (1) GB2503460B (enExample)
WO (1) WO2014001014A1 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6605029B2 (ja) * 2014-11-11 2019-11-13 コーニンクレッカ フィリップス エヌ ヴェ Mriシステムにおける傾斜増幅器システム及びそのシステムを使用した電流供給の方法
RU2708817C2 (ru) * 2015-02-27 2019-12-11 Конинклейке Филипс Н.В. Магнитно-резонансная система исследования с подвижным держателем пациента
EP3511678B1 (en) 2015-05-26 2023-02-22 Crown Equipment Corporation Systems and methods for materials handling vehicle odometry calibration
CN105548926B (zh) * 2016-01-19 2023-09-26 湖南迈太科医疗科技有限公司 一种低噪音平板mri梯度线圈及接口盒
CN109564267B (zh) 2016-07-28 2021-09-14 皇家飞利浦有限公司 用于操作mri系统的梯度线圈设备的方法和控制单元
CN107768064B (zh) * 2016-08-19 2020-09-15 上海联影医疗科技有限公司 一种超导磁体组件
DE102016225347A1 (de) 2016-12-16 2018-06-21 Bruker Biospin Gmbh MRI-System mit Spaltstruktur in einer Abschirmrohr-Anordnung
GB2567204B (en) * 2017-10-06 2021-06-30 Siemens Healthcare Ltd Electromagnet and assembly
DE102017217930A1 (de) * 2017-10-09 2019-04-11 Bruker Biospin Ag Magnetanordnung mit Kryostat und Magnetspulensystem, mit Kältespeichern an den Stromzuführungen
US11940515B2 (en) 2018-05-08 2024-03-26 GE Precision Healthcare LLC System, method and computer-readable medium for evaluating structural integrity of a gradient coil
US11269749B2 (en) 2018-05-08 2022-03-08 General Electric Company System and method for monitoring health status of a gradient coil
EP3650879B1 (de) 2018-11-06 2024-05-15 Siemens Healthineers AG Überwachung eines mr-magneten anhand von vibrationen
CN109901030B (zh) * 2019-02-25 2021-10-22 国网山东省电力公司济南供电公司 一种电抗器匝间绝缘状态监测方法、系统及应用
JP7212578B2 (ja) * 2019-05-24 2023-01-25 富士フイルムヘルスケア株式会社 磁気共鳴イメージング装置および超電導磁石
GB2586488B (en) * 2019-08-21 2021-08-18 Siemens Healthcare Ltd Apparatus for magnetic resonance imaging, and methods for the design and manufacture thereof
KR102242796B1 (ko) * 2020-05-26 2021-04-22 주식회사 마이브레인 두부 전용 자기공명영상장치
EP4517359A1 (en) * 2023-08-30 2025-03-05 Siemens Healthcare Limited Shielding arrangement and magnetic resonance device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002052004A (ja) * 2000-08-10 2002-02-19 Hitachi Medical Corp 磁気共鳴イメージング装置
US6552543B1 (en) * 1999-08-26 2003-04-22 Siemens Aktiengesellschaft Magnetic resonance tomography apparatus with vibration-decoupled outer envelope
CN102136337A (zh) * 2010-12-08 2011-07-27 中国科学院电工研究所 高磁场高均匀度核磁共振超导磁体系统
CN102483447A (zh) * 2009-03-10 2012-05-30 美时医疗控股有限公司 包含超导主磁体、超导梯度场线圈和冷却rf线圈的mri系统

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0334404A (ja) * 1989-06-30 1991-02-14 Mitsubishi Electric Corp 極低温冷凍装置
US5793210A (en) * 1996-08-13 1998-08-11 General Electric Company Low noise MRI scanner
JP3619623B2 (ja) * 1996-10-17 2005-02-09 株式会社東芝 磁気共鳴イメージング装置および磁気共鳴イメージングの遮音方法
US6157276A (en) * 1998-08-14 2000-12-05 General Electric Company MRI magnet assembly with non-conductive inner wall
US6954068B1 (en) * 2000-01-21 2005-10-11 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus
US6556012B2 (en) * 2000-01-21 2003-04-29 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus
US6437568B1 (en) * 2000-10-02 2002-08-20 General Electric Company Low noise MRI scanner
EP1348136B1 (en) 2000-12-05 2008-04-23 Koninklijke Philips Electronics N.V. Mri apparatus with a piezo actuator in a non-rigid suspension of the gradient coil carrier
US7345559B2 (en) * 2001-09-13 2008-03-18 General Electric Company High field open MRI magnet isolation system and method
WO2003054569A1 (en) * 2001-12-20 2003-07-03 Koninklijke Philips Electronics N.V. Noise suppression in an open mr apparatus
US6894498B2 (en) * 2003-03-12 2005-05-17 Mrscience Llc Active vibration compensation for MRI gradient coil support to reduce acoustic noise in MRI scanners
WO2004081596A1 (en) 2003-03-13 2004-09-23 Koninklijke Philips Electronics N.V. Mri system having a gradient magnet system with a gyroscope
JP2005034267A (ja) * 2003-07-17 2005-02-10 Ge Medical Systems Global Technology Co Llc 勾配コイル防振方法および装置並びに磁気共鳴撮影装置
JP4404021B2 (ja) * 2005-06-30 2010-01-27 株式会社日立製作所 Mri用超電導磁石
GB2435327B (en) * 2005-11-01 2008-01-09 Siemens Magnet Technology Ltd Transportable magnetic resonance imaging (MRI) system
US7439836B2 (en) * 2005-12-28 2008-10-21 General Electric Company Magnetic field generating apparatus for magnetic resonance imaging
JP4908960B2 (ja) * 2006-07-27 2012-04-04 株式会社日立製作所 超伝導磁石装置および磁気共鳴イメージング装置
BRPI0809689B1 (pt) 2007-04-04 2019-03-19 Koninklijke Philips N.V. Bobina de gradiente de campo magnético, escâner por ressonância magnética, e, escâner híbrido
GB2468295B8 (en) * 2009-03-03 2011-04-13 Siemens Plc A method for progressively introducing current into a superconducting coil mounted on a former
GB0903868D0 (en) * 2009-03-06 2009-04-22 Siemens Magnet Technology Ltd A magnetic resonance device
GB2484079B (en) * 2010-09-28 2013-02-27 Siemens Plc A hollow cylindrical thermal shield for a tubular cryogenically cooled superconducting magnet
GB2488102A (en) * 2011-02-08 2012-08-22 Siemens Plc A cylindrical superconducting magnet system
GB2490478B (en) * 2011-04-20 2014-04-23 Siemens Plc Superconducting magnets with thermal radiation shields
US9322892B2 (en) * 2011-12-20 2016-04-26 General Electric Company System for magnetic field distortion compensation and method of making same
GB2511048B (en) * 2013-02-20 2016-05-25 Siemens Healthcare Ltd Methods and apparatus for compensating for drift in magnetic field strength in superconducting magnets
GB2511049B (en) * 2013-02-20 2016-05-25 Siemens Healthcare Ltd Methods and apparatus for compensating for drift in magnetic field strength in superconducting magnets

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6552543B1 (en) * 1999-08-26 2003-04-22 Siemens Aktiengesellschaft Magnetic resonance tomography apparatus with vibration-decoupled outer envelope
JP2002052004A (ja) * 2000-08-10 2002-02-19 Hitachi Medical Corp 磁気共鳴イメージング装置
CN102483447A (zh) * 2009-03-10 2012-05-30 美时医疗控股有限公司 包含超导主磁体、超导梯度场线圈和冷却rf线圈的mri系统
CN102136337A (zh) * 2010-12-08 2011-07-27 中国科学院电工研究所 高磁场高均匀度核磁共振超导磁体系统

Also Published As

Publication number Publication date
KR20150033693A (ko) 2015-04-01
EP2864802A1 (en) 2015-04-29
KR101654649B1 (ko) 2016-09-22
GB2503460B (en) 2014-08-13
JP2015521508A (ja) 2015-07-30
EP2864802B1 (en) 2016-05-18
US9939503B2 (en) 2018-04-10
JP6117351B2 (ja) 2017-04-19
CN104487858A (zh) 2015-04-01
WO2014001014A1 (en) 2014-01-03
US20150369888A1 (en) 2015-12-24
GB201211345D0 (en) 2012-08-08
GB2503460A (en) 2014-01-01

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