GB2419417B - Gradient bore cooling and RF shield - Google Patents

Gradient bore cooling and RF shield

Info

Publication number
GB2419417B
GB2419417B GB0423325A GB0423325A GB2419417B GB 2419417 B GB2419417 B GB 2419417B GB 0423325 A GB0423325 A GB 0423325A GB 0423325 A GB0423325 A GB 0423325A GB 2419417 B GB2419417 B GB 2419417B
Authority
GB
United Kingdom
Prior art keywords
shield
bore cooling
gradient
gradient bore
cooling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB0423325A
Other languages
English (en)
Other versions
GB2419417A (en
GB0423325D0 (en
Inventor
Christopher Mark Cirel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Priority to GB0423325A priority Critical patent/GB2419417B/en
Publication of GB0423325D0 publication Critical patent/GB0423325D0/en
Priority to US11/161,863 priority patent/US7397244B2/en
Priority to JP2005293418A priority patent/JP5100994B2/ja
Priority to EP05256359.0A priority patent/EP1650577B1/en
Priority to CN200510108692.2A priority patent/CN1763558B/zh
Publication of GB2419417A publication Critical patent/GB2419417A/en
Application granted granted Critical
Publication of GB2419417B publication Critical patent/GB2419417B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01R33/3856—Means for cooling the gradient coils or thermal shielding of the gradient coils
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
GB0423325A 2004-10-20 2004-10-20 Gradient bore cooling and RF shield Expired - Fee Related GB2419417B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB0423325A GB2419417B (en) 2004-10-20 2004-10-20 Gradient bore cooling and RF shield
US11/161,863 US7397244B2 (en) 2004-10-20 2005-08-19 Gradient bore cooling providing RF shield in an MRI system
JP2005293418A JP5100994B2 (ja) 2004-10-20 2005-10-06 傾斜ボア冷却及びｒｆシールド
EP05256359.0A EP1650577B1 (en) 2004-10-20 2005-10-13 Magnetic Resonance Imaging Device Comprising Gradient Bore Cooling and RF Shield
CN200510108692.2A CN1763558B (zh) 2004-10-20 2005-10-20 在磁共振成像设备中提供射频屏蔽件的梯度孔冷却

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0423325A GB2419417B (en) 2004-10-20 2004-10-20 Gradient bore cooling and RF shield

Publications (3)

Publication Number Publication Date
GB0423325D0 GB0423325D0 (en) 2004-11-24
GB2419417A GB2419417A (en) 2006-04-26
GB2419417B true GB2419417B (en) 2007-05-16

Family

ID=33484904

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0423325A Expired - Fee Related GB2419417B (en) 2004-10-20 2004-10-20 Gradient bore cooling and RF shield

Country Status (5)

Country Link
US (1) US7397244B2 (enExample)
EP (1) EP1650577B1 (enExample)
JP (1) JP5100994B2 (enExample)
CN (1) CN1763558B (enExample)
GB (1) GB2419417B (enExample)

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GB2419417B (en) * 2004-10-20 2007-05-16 Gen Electric Gradient bore cooling and RF shield
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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
WO2010076682A1 (en) * 2008-12-31 2010-07-08 Koninklijke Philips Electronics N.V. Gradient coil assembly for mri with integrated rf transmit amplifiers
US8143893B2 (en) * 2009-03-31 2012-03-27 General Electric Company Thin extended-cavity RF coil for MRI
FR2944877B1 (fr) * 2009-04-27 2011-07-01 Commissariat Energie Atomique Systeme d'imagerie par rmn a pertes cryogeniques et bruit acoustique reduits.
JP5450224B2 (ja) * 2009-05-29 2014-03-26 株式会社東芝 磁気共鳴イメージング装置
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
JP2011087904A (ja) * 2009-09-28 2011-05-06 Toshiba Corp 磁気共鳴イメージング装置
JP6058612B2 (ja) * 2009-09-28 2017-01-11 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及び傾斜磁場コイル
US8797131B2 (en) * 2010-05-19 2014-08-05 General Electric Company Thermal shield and method for thermally cooling a magnetic resonance imaging system
GB2483890A (en) * 2010-09-22 2012-03-28 Tesla Engineering Ltd MRIS gradient coil assembly with screening layers connected to respective coil layers
WO2012045153A1 (en) * 2010-10-05 2012-04-12 Satyapal Rathee Image guided radiation therapy system and shielded radiofrequency detector coil for use therein
US8676282B2 (en) 2010-10-29 2014-03-18 General Electric Company Superconducting magnet coil support with cooling and method for coil-cooling
US9013185B2 (en) 2011-03-07 2015-04-21 Robert W. Brown Optimized RF shield design
US8890529B2 (en) * 2011-05-31 2014-11-18 General Electric Company System and apparatus for providing interconnections in a gradient coil assembly
US20150008924A1 (en) * 2012-02-01 2015-01-08 Koninklike Philips N.V. Nanoparticle rf shield for use in an mri device
BR112014026062A2 (pt) * 2012-04-23 2017-06-27 Koninklijke Philips Nv módulo de eletrônica integrado
CN104166108B (zh) * 2014-04-03 2018-02-27 上海联影医疗科技有限公司 磁共振体线圈
CN111896903A (zh) 2014-09-05 2020-11-06 海珀菲纳研究股份有限公司 噪声抑制方法和设备
JP6462292B2 (ja) * 2014-09-26 2019-01-30 キヤノン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
CN106298148B (zh) * 2015-05-11 2019-04-23 通用电气公司 超导磁体系统及冷却件
EP3364206A1 (en) * 2017-02-20 2018-08-22 Koninklijke Philips N.V. Gradient system with controlled cooling in the individual gradient channels
US10761162B2 (en) * 2018-09-18 2020-09-01 General Electric Company Gradient coil cooling systems
EP3690468B8 (de) * 2019-01-29 2024-02-21 Siemens Healthineers AG Magnetresonanzeinrichtung und verfahren zur aufnahme von magnetresonanzdaten mit einer gradientenspule welche zur erzeugung eines radialen gradientenfelds ausgebildet ist
JP2024035534A (ja) 2022-09-02 2024-03-14 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
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

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JPH06269422A (ja) * 1993-03-19 1994-09-27 Toshiba Corp 磁気共鳴イメージング装置
US6441614B1 (en) * 1999-12-02 2002-08-27 General Electric Company Filler material for magnet resonant system self-shielded gradient coil assemblies
US20040017195A1 (en) * 2002-05-07 2004-01-29 Kabushiki Kaisha Toshiba MRI apparatus and method for calculating predicted and/or actual net accumulated gradient coil heat and/or temperature

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JPH06269422A (ja) * 1993-03-19 1994-09-27 Toshiba Corp 磁気共鳴イメージング装置
US6441614B1 (en) * 1999-12-02 2002-08-27 General Electric Company Filler material for magnet resonant system self-shielded gradient coil assemblies
US20040017195A1 (en) * 2002-05-07 2004-01-29 Kabushiki Kaisha Toshiba MRI apparatus and method for calculating predicted and/or actual net accumulated gradient coil heat and/or temperature

Also Published As

Publication number Publication date
GB2419417A (en) 2006-04-26
GB0423325D0 (en) 2004-11-24
CN1763558B (zh) 2010-06-16
EP1650577A1 (en) 2006-04-26
EP1650577B1 (en) 2013-07-10
US7397244B2 (en) 2008-07-08
JP2006116300A (ja) 2006-05-11
CN1763558A (zh) 2006-04-26
JP5100994B2 (ja) 2012-12-19
US20060082370A1 (en) 2006-04-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20141020