JP4719438B2 - 円筒状のｍｒｉシステム内のｍｒｉ患者ボアに対する能動的冷却のための装置 - Google Patents

円筒状のｍｒｉシステム内のｍｒｉ患者ボアに対する能動的冷却のための装置 Download PDF

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Publication number
JP4719438B2
JP4719438B2 JP2004230068A JP2004230068A JP4719438B2 JP 4719438 B2 JP4719438 B2 JP 4719438B2 JP 2004230068 A JP2004230068 A JP 2004230068A JP 2004230068 A JP2004230068 A JP 2004230068A JP 4719438 B2 JP4719438 B2 JP 4719438B2
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Japan
Prior art keywords
coil
patient
cooling
coolant
patient bore
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Expired - Lifetime
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JP2004230068A
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Japanese (ja)
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JP2005052658A (ja
JP2005052658A5 (enExample
Inventor
ニール・クラーク
マイケル・ビー・セラーズ
マイケル・エル・アルフォード
アンソニー・マントーン
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GE Medical Systems Global Technology Co LLC
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GE Medical Systems Global Technology Co LLC
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Publication of JP2005052658A5 publication Critical patent/JP2005052658A5/ja
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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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34015—Temperature-controlled RF coils
    • G01R33/3403—Means for cooling of the RF coils, e.g. a refrigerator or a cooling vessel specially adapted for housing an RF coil
    • 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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • 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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/20—Electromagnets; Actuators including electromagnets without armatures
    • H01F7/202—Electromagnets for high magnetic field strength
    • 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
    • G01R33/3804—Additional hardware for cooling or heating of the magnet assembly, for housing a cooled or heated part of the magnet assembly or for temperature control of the magnet assembly
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/322—Insulating of coils, windings, or parts thereof the insulation forming channels for circulation of the fluid

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2004230068A 2003-08-07 2004-08-06 円筒状のｍｒｉシステム内のｍｒｉ患者ボアに対する能動的冷却のための装置 Expired - Lifetime JP4719438B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/604,654 US7015692B2 (en) 2003-08-07 2003-08-07 Apparatus for active cooling of an MRI patient bore in cylindrical MRI systems
US10/604,654 2003-08-07

Publications (3)

Publication Number Publication Date
JP2005052658A JP2005052658A (ja) 2005-03-03
JP2005052658A5 JP2005052658A5 (enExample) 2007-09-20
JP4719438B2 true JP4719438B2 (ja) 2011-07-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004230068A Expired - Lifetime JP4719438B2 (ja) 2003-08-07 2004-08-06 円筒状のｍｒｉシステム内のｍｒｉ患者ボアに対する能動的冷却のための装置

Country Status (5)

Country Link
US (1) US7015692B2 (enExample)
JP (1) JP4719438B2 (enExample)
CN (1) CN100398060C (enExample)
DE (1) DE102004038237B4 (enExample)
GB (1) GB2405480B (enExample)

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6909283B2 (en) * 2001-04-12 2005-06-21 General Electric Company Method and system to regulate cooling of a medical imaging device
WO2005043185A1 (en) * 2003-10-29 2005-05-12 Koninklijke Philips Electronics N.V. Variable field-of-view gradient coil system for magnetic resonance imaging
US7557577B2 (en) * 2003-12-08 2009-07-07 Siemens Aktiengesselschaft Water-soluble paramagnetic substance reducing the relaxation time of the coolant in an MRI system
US20050179512A1 (en) * 2004-02-12 2005-08-18 Ge Medical Systems Global Technology Company, Llc Mri system with liquid cooled rf space
GB2419417B (en) * 2004-10-20 2007-05-16 Gen Electric Gradient bore cooling and RF shield
WO2007001463A2 (en) * 2004-11-23 2007-01-04 M2M Imaging Corp. Bandwidth expansion in magnetic resonance
US7167000B2 (en) * 2004-12-22 2007-01-23 General Electric Company Cryogenically cooled radiofrequency coil array for magnetic resonance imaging
US20070075036A1 (en) * 2005-09-30 2007-04-05 Paul Moroz Method and apparatus for measuring plasma density in processing reactors using a short dielectric cap
US20070074812A1 (en) * 2005-09-30 2007-04-05 Andrej Mitrovic Temperature control of plasma density probe
US7309987B2 (en) * 2005-10-28 2007-12-18 Varian, Inc. Anticipative temperature regulation of cryogenic NMR probes
US7297907B2 (en) * 2005-12-08 2007-11-20 Uri Rapoport Means and method of maintaining a constant temperature in the magnetic assembly of a magnetic resonance device
US7378848B2 (en) * 2006-05-05 2008-05-27 M2M Imaging Corp. Magnetic resonance coil system
US7554326B2 (en) * 2006-05-17 2009-06-30 Kabushiki Kaisha Toshiba MRI gradient magnetic coil unit assembley using different resins within windings and between components
RU2314549C1 (ru) * 2006-06-20 2008-01-10 Закрытое акционерное общество торгово-промышленная компания "Удмуртия" Система регулирования магнитного поля в кольцевой камере
US7368913B2 (en) * 2006-06-30 2008-05-06 General Electric Company Apparatus and method of providing forced airflow to a surface of a gradient coil
US7378847B2 (en) * 2006-08-16 2008-05-27 Varian, Inc. Efficiently cryo-pumped NMR cryogenic probe
DE102006040574B4 (de) * 2006-08-30 2017-02-23 Siemens Healthcare Gmbh Trennwand zur Abgrenzung von einer Antennenstruktur eines Magnetresonanztomographen
US7489132B2 (en) * 2006-12-15 2009-02-10 General Electric Company Enhanced heat transfer in MRI gradient coils with phase-change materials
DE102007014360A1 (de) * 2007-03-26 2008-10-02 Abb Technology Ag Abstandhalter für Wicklungen
US7489131B2 (en) * 2007-04-23 2009-02-10 General Electric Co. System and apparatus for direct cooling of gradient coils
CN101299060B (zh) * 2007-04-30 2011-04-06 西门子（中国）有限公司 一种磁共振成像系统的通风方法及通风系统
US8378677B2 (en) * 2007-07-02 2013-02-19 Koninklijke Philips Electronics N.V. Thermally stabilized pet detector for hybrid PET-MR system
US7812604B2 (en) * 2007-11-14 2010-10-12 General Electric Company Thermal management system for cooling a heat generating component of a magnetic resonance imaging apparatus
US7868617B2 (en) 2007-11-15 2011-01-11 General Electric Co. Cooling system and apparatus for controlling drift of a main magnetic field in an MRI system
JP5502304B2 (ja) * 2007-11-22 2014-05-28 株式会社東芝 磁気共鳴イメージング装置およびｒｆコイル
JP5472896B2 (ja) * 2007-11-22 2014-04-16 株式会社東芝 磁気共鳴装置
DE102008008502B4 (de) * 2008-02-11 2014-08-14 Siemens Aktiengesellschaft Anordnung zur Ansteuerung einer Antennenanordnung bei einem Magnetresonanzgerät
DE102008010937B4 (de) * 2008-02-25 2010-07-08 Siemens Aktiengesellschaft Kühlungsvorrichtung zur Klimatisierung eines Untersuchungsraumes eines medizinischen Untersuchungsgeräts und medizinisches Untersuchungsgerät mit einer Kühlvorrichtung
US20090257548A1 (en) * 2008-04-14 2009-10-15 Ashutosh Joshi Computed tomography system
US7570058B1 (en) * 2008-07-11 2009-08-04 General Electric Company System and method for treatment of liquid coolant in an MRI system
US7772842B2 (en) * 2008-09-17 2010-08-10 Time Medical Holdings Company Limited Dedicated superconductor MRI imaging system
US7728592B2 (en) * 2008-09-17 2010-06-01 Time Medical Holdings Company Limited Integrated superconductor MRI imaging system
JP5582756B2 (ja) * 2008-11-28 2014-09-03 株式会社東芝 高周波コイルユニットおよび磁気共鳴診断装置
WO2010067272A1 (en) 2008-12-11 2010-06-17 Philips Intellectual Property & Standards Gmbh Arrangement for influencing and/or detecting magnetic particles in a region of action
JP5290849B2 (ja) * 2009-04-21 2013-09-18 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 磁気共鳴イメージング装置
DE102009024226B4 (de) * 2009-06-08 2015-10-29 Siemens Aktiengesellschaft Optimiertes Kühlebenen-/Sattelspulensystem
CN202631746U (zh) 2009-06-30 2012-12-26 艾斯拜克特磁铁技术有限公司 磁共振装置中带有紧固/削弱系统的笼
US8836332B2 (en) 2009-07-15 2014-09-16 Viewray Incorporated Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other
US8461841B2 (en) 2009-08-30 2013-06-11 Aspect Imaging Ltd. Means and method for thermoregulating magnets within magnetic resonance devices
JP5570910B2 (ja) * 2009-09-28 2014-08-13 株式会社東芝 磁気共鳴イメージング装置
CN102713682B (zh) * 2009-11-20 2015-01-28 优瑞公司 自屏蔽梯度线圈
US8415952B2 (en) * 2009-12-23 2013-04-09 General Electric Company Superconducting magnet coil interface and method providing coil stability
DE102010025919A1 (de) 2010-07-02 2012-01-05 Siemens Aktiengesellschaft Spule; D-Form
US10076266B2 (en) 2010-07-07 2018-09-18 Aspect Imaging Ltd. Devices and methods for a neonate incubator, capsule and cart
US8676282B2 (en) 2010-10-29 2014-03-18 General Electric Company Superconducting magnet coil support with cooling and method for coil-cooling
US9220306B2 (en) * 2010-12-07 2015-12-29 Anthony E. Majoros Apparel liner
DE102011076717A1 (de) * 2011-05-30 2012-12-06 Siemens Aktiengesellschaft Hochfrequenzantenneneinheit, eine Magnetresonanzvorrichtung mit einer Hochfrequenzantenneneinheit, sowie ein Herstellungsverfahren für eine Hochfrequenzantenneneinheit
DE102011084203B4 (de) * 2011-10-10 2014-07-17 Siemens Aktiengesellschaft Verfahren zum Betrieb wenigstens einer Pumpeneinrichtung
US8981779B2 (en) 2011-12-13 2015-03-17 Viewray Incorporated Active resistive shimming fro MRI devices
DE102012203974A1 (de) * 2012-03-14 2013-09-19 Siemens Aktiengesellschaft Magnetresonanztomograph mit Kühleinrichtung für Gradientenspulen
US9574685B2 (en) * 2012-06-19 2017-02-21 Pittsburgh Universal, LLC Cooling system for magnetic resonance imaging device having reduced noise and vibration
US10281538B2 (en) * 2012-09-05 2019-05-07 General Electric Company Warm bore cylinder assembly
DE102012217594B4 (de) * 2012-09-27 2015-11-05 Siemens Aktiengesellschaft Magnetresonanztomograph
WO2014066853A1 (en) 2012-10-26 2014-05-01 Viewray Incorporated Assessment and improvement of treatment using imaging of physiological responses to radiation therapy
CN103811145A (zh) * 2012-11-12 2014-05-21 通用电气公司 超导磁体系统
US9446263B2 (en) 2013-03-15 2016-09-20 Viewray Technologies, Inc. Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging
GB2515524A (en) * 2013-06-26 2014-12-31 John Beausire Wyatt Webber Nuclear magnetic resonance probes
EP3158351B1 (en) 2014-06-23 2017-09-13 Koninklijke Philips N.V. Air ventilation system with radio frequency shielding for use in magnetic resonance imaging systems
KR101630616B1 (ko) * 2014-10-14 2016-06-15 삼성전자 주식회사 자기공명영상장치
EP3256869B1 (en) * 2015-02-03 2018-10-03 Koninklijke Philips N.V. Radiation-transparent, low-cost, lightweight, versatile, composite radio frequency coil for mri
US10295630B2 (en) * 2015-08-28 2019-05-21 General Electric Company Gradient coil with variable dimension
DE102016201908A1 (de) 2016-02-09 2017-08-10 Siemens Healthcare Gmbh Verfahren zum Betreiben einer Temperierungsvorrichtung für eine medizinische Untersuchungseinrichtung, Temperierungsvorrichtung, medizinische Untersuchungseinrichtung und Computerprogramm
US10413751B2 (en) 2016-03-02 2019-09-17 Viewray Technologies, Inc. Particle therapy with magnetic resonance imaging
US11287497B2 (en) 2016-08-08 2022-03-29 Aspect Imaging Ltd. Device, system and method for obtaining a magnetic measurement with permanent magnets
US10224135B2 (en) 2016-08-08 2019-03-05 Aspect Imaging Ltd. Device, system and method for obtaining a magnetic measurement with permanent magnets
US11988730B2 (en) 2016-08-08 2024-05-21 Aspect Imaging Ltd. Device, system and method for obtaining a magnetic measurement with permanent magnets
EP3364206A1 (en) * 2017-02-20 2018-08-22 Koninklijke Philips N.V. Gradient system with controlled cooling in the individual gradient channels
WO2018231836A1 (en) * 2017-06-13 2018-12-20 Radyne Corporation Toroidal hand-held autotransformer assembly
US10847294B2 (en) 2017-07-10 2020-11-24 Aspect Imaging Ltd. System for generating a magnetic field
US11033758B2 (en) 2017-12-06 2021-06-15 Viewray Technologies, Inc. Radiotherapy systems, methods and software
US11209509B2 (en) 2018-05-16 2021-12-28 Viewray Technologies, Inc. Resistive electromagnet systems and methods
EP3608929B1 (en) * 2018-08-09 2020-09-30 Siemens Healthcare GmbH A directly coolable multifilament conductor means
US10761162B2 (en) 2018-09-18 2020-09-01 General Electric Company Gradient coil cooling systems
EP3891889A4 (en) * 2018-12-06 2022-09-07 Board of Supervisors of Louisiana State University and Agricultural and Mechanical College METHOD AND SYSTEM FOR APPLYING PULSED ELECTRIC FIELDS WITH HIGH UNIFORMITY USING MAGNETIC CORES
JP7592250B2 (ja) * 2018-12-06 2024-12-02 ボード オブ スーパーバイザーズ オブ ルイジアナ ステイト ユニバーシティ アンド アグリカルチュラル アンド メカニカル カレッジ 磁性コアを使用して、高い均一性を備えたパルス電界を適用する方法およびシステム
US11519979B2 (en) * 2019-02-27 2022-12-06 GE Precision Healthcare LLC Systems and methods for an abdominal radio frequency coil for MR imaging
CN110082695B (zh) * 2019-05-22 2021-10-22 上海联影医疗科技股份有限公司 超导磁体及具有该超导磁体的磁共振成像系统
CN111551882A (zh) * 2020-05-06 2020-08-18 上海联影医疗科技有限公司 线圈结构及具有其的成像设备
US11627926B2 (en) * 2020-09-23 2023-04-18 Siemens Medical Solutions Usa, Inc. Patient comfort in nuclear imaging system
CN115383870A (zh) * 2022-07-27 2022-11-25 东南大学 一种钢纤维定向排布用磁场发生装置及拆装方法
US11994569B2 (en) * 2022-09-13 2024-05-28 GE Precision Healthcare LLC Radio frequency coil assemblies for magnetic resonance imaging systems and methods for making them
CN115623744A (zh) * 2022-10-10 2023-01-17 西安交通大学 一种螺旋式热防护结构
CN116068472B (zh) * 2023-03-03 2023-06-06 山东奥新医疗科技有限公司 用于磁共振系统梯度系统的冷却系统及其制作方法
WO2025024396A1 (en) 2023-07-21 2025-01-30 Parker-Hannifin Corporation Thermally-conducting, electrically-insulating fluoropolymer composite materials, tubings made therefrom, and systems including such materials and tubings
WO2025024395A1 (en) 2023-07-21 2025-01-30 Parker-Hannifin Corporation Thermally-conducting, electrically-insulating polyimide-polysiloxane-based polymer composite materials, tubings made therefrom, and systems including such materials and tubings

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6079149A (ja) * 1983-10-04 1985-05-04 Nippon Denso Co Ltd 車両用吸気加熱および空調装置
JPS6437813A (en) * 1987-08-04 1989-02-08 Toshiba Corp Magnetic resonance imaging device
US5489848A (en) * 1992-09-08 1996-02-06 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus
JP3466670B2 (ja) * 1992-09-08 2003-11-17 株式会社東芝 磁気共鳴イメージング装置
CN1085767A (zh) * 1992-10-22 1994-04-27 广东威达医疗器械集团公司 均匀磁场装置
JP3273650B2 (ja) * 1993-03-19 2002-04-08 株式会社東芝 磁気共鳴イメージング装置
DE69419096T2 (de) * 1993-09-29 1999-10-28 Oxford Magnet Technology Ltd., Eynsham Verbesserungen an Magneten der Bilderzeugung mittels magnetischer Resonanz
US5492122A (en) * 1994-04-15 1996-02-20 Northrop Grumman Corporation Magnetic resonance guided hyperthermia
JP3403251B2 (ja) * 1994-09-12 2003-05-06 ジーイー横河メディカルシステム株式会社 Ｍｒ装置のコイル冷却構造
JPH08252235A (ja) * 1995-03-16 1996-10-01 Toshiba Corp 磁気共鳴映像装置
JPH09299348A (ja) * 1996-05-13 1997-11-25 Ge Yokogawa Medical Syst Ltd 勾配磁場コイルの騒音の抑制方法および磁場発生装置並びに磁気共鳴撮像装置
JPH10234700A (ja) * 1997-02-28 1998-09-08 Shimadzu Corp 磁気共鳴イメージング装置
US6361661B2 (en) * 1997-05-16 2002-03-26 Applies Materials, Inc. Hybrid coil design for ionized deposition
DE19722387C2 (de) * 1997-05-28 1999-11-11 Siemens Ag Antenne für ein Magnetresonanzgerät
US6011394A (en) * 1997-08-07 2000-01-04 Picker International, Inc. Self-shielded gradient coil assembly and method of manufacturing the same
JP2001046353A (ja) * 1999-08-12 2001-02-20 Toshiba Corp 傾斜磁場コイル装置、高周波磁場コイル及びそれらを備えた磁気共鳴診断装置
JP4575579B2 (ja) 2000-11-16 2010-11-04 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 磁気共鳴撮影装置
US20020073717A1 (en) * 2000-12-19 2002-06-20 Dean David E. MR scanner including liquid cooled RF coil and method
US6909283B2 (en) * 2001-04-12 2005-06-21 General Electric Company Method and system to regulate cooling of a medical imaging device
JP4700837B2 (ja) 2001-05-21 2011-06-15 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 磁気共鳴撮像用コイルの周波数安定化方法および磁気共鳴撮像用コイルの冷却構造、並びに磁気共鳴撮像装置
US6538440B2 (en) * 2001-06-20 2003-03-25 Ge Medical Systems Global Technology Co., Llc Non-conductive long wave thermal radiation shield
WO2003087879A1 (en) * 2002-04-05 2003-10-23 University Of Rochester Cryogenically cooled phased array rf receiver coil for magnetic resonance imaging
US6812705B1 (en) * 2003-12-05 2004-11-02 General Electric Company Coolant cooled RF body coil
US6906517B1 (en) * 2004-09-28 2005-06-14 General Electric Company Method and apparatus for maintaining thermal stability of permanent magnets in MRI systems

Also Published As

Publication number Publication date
US20050030028A1 (en) 2005-02-10
JP2005052658A (ja) 2005-03-03
GB2405480B (en) 2007-06-27
CN1623504A (zh) 2005-06-08
DE102004038237A1 (de) 2005-03-03
CN100398060C (zh) 2008-07-02
GB2405480A (en) 2005-03-02
US7015692B2 (en) 2006-03-21
DE102004038237B4 (de) 2013-10-02
GB0417095D0 (en) 2004-09-01

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