GB2448809B - System and apparatus for direct cooling of gradient coils - Google Patents

System and apparatus for direct cooling of gradient coils

Info

Publication number
GB2448809B
GB2448809B GB0807164A GB0807164A GB2448809B GB 2448809 B GB2448809 B GB 2448809B GB 0807164 A GB0807164 A GB 0807164A GB 0807164 A GB0807164 A GB 0807164A GB 2448809 B GB2448809 B GB 2448809B
Authority
GB
United Kingdom
Prior art keywords
gradient coils
direct cooling
cooling
direct
coils
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
GB0807164A
Other languages
English (en)
Other versions
GB2448809A (en
GB0807164D0 (en
Inventor
Yuri Lvovsky
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 GB1013270A priority Critical patent/GB2470137B/en
Publication of GB0807164D0 publication Critical patent/GB0807164D0/en
Publication of GB2448809A publication Critical patent/GB2448809A/en
Application granted granted Critical
Publication of GB2448809B publication Critical patent/GB2448809B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01R33/38—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
    • 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
    • G01R33/421—Screening of main or gradient magnetic field
    • G01R33/4215—Screening of main or gradient magnetic field of the gradient magnetic field, e.g. using passive or active shielding of the gradient magnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
GB0807164A 2007-04-23 2008-04-18 System and apparatus for direct cooling of gradient coils Expired - Fee Related GB2448809B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1013270A GB2470137B (en) 2007-04-23 2008-04-18 System and apparatus for direct cooling of gradient coils

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/738,786 US7489131B2 (en) 2007-04-23 2007-04-23 System and apparatus for direct cooling of gradient coils

Publications (3)

Publication Number Publication Date
GB0807164D0 GB0807164D0 (en) 2008-05-21
GB2448809A GB2448809A (en) 2008-10-29
GB2448809B true GB2448809B (en) 2010-10-27

Family

ID=39472396

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0807164A Expired - Fee Related GB2448809B (en) 2007-04-23 2008-04-18 System and apparatus for direct cooling of gradient coils

Country Status (4)

Country Link
US (1) US7489131B2 (https=)
JP (1) JP5364288B2 (https=)
CN (1) CN101295011B (https=)
GB (1) GB2448809B (https=)

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US8981779B2 (en) 2011-12-13 2015-03-17 Viewray Incorporated Active resistive shimming fro MRI devices
WO2014034467A1 (ja) 2012-08-27 2014-03-06 株式会社 東芝 磁気共鳴イメージング装置、磁気共鳴イメージング装置用の傾斜磁場コイルユニット及び磁気共鳴イメージング装置用の傾斜磁場コイルユニットの製造方法
CN108452443B (zh) 2012-10-26 2021-05-18 优瑞技术公司 利用对放射疗法的生理反应的成像对治疗评估的系统
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US9446263B2 (en) 2013-03-15 2016-09-20 Viewray Technologies, Inc. Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging
CN105745554B (zh) * 2013-11-22 2020-05-22 皇家飞利浦有限公司 对动态汽化减少改进的低温容器、超导磁体和mr检查系统
CN104020428A (zh) * 2014-06-03 2014-09-03 南京工程学院 一种有源屏蔽梯度线圈结构
CN104062613B (zh) * 2014-06-13 2017-05-03 河海大学 一种有源屏蔽梯度线圈及其设计方法
US9817093B2 (en) 2014-09-05 2017-11-14 Hyperfine Research, Inc. Low field magnetic resonance imaging methods and apparatus
CN105047351A (zh) * 2015-08-26 2015-11-11 哈尔滨工业大学 一种用于磁脉冲成形的平板线圈
GB2559309B (en) * 2015-11-06 2021-09-15 Synaptive Medical Inc Electromagnet current constraints
CN108369265B (zh) * 2015-12-02 2022-04-08 皇家飞利浦有限公司 用于质子治疗的可旋转磁体
CN109310879A (zh) 2016-03-02 2019-02-05 优瑞技术公司 利用磁共振成像的粒子疗法
CN105866717A (zh) * 2016-05-28 2016-08-17 苏州科技学院 梯度线圈组件以及磁共振设备
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
EP3401695A1 (en) * 2017-05-08 2018-11-14 Koninklijke Philips N.V. Cooling a gradient coil of a magnetic resonance imaging system
EP3710112B1 (en) 2017-12-06 2025-08-27 Viewray Systems, Inc. Optimization of multimodal radiotherapy
JP7094716B2 (ja) * 2018-02-19 2022-07-04 キヤノンメディカルシステムズ株式会社 傾斜磁場コイル
US11209509B2 (en) 2018-05-16 2021-12-28 Viewray Technologies, Inc. Resistive electromagnet systems and methods
JP7080746B2 (ja) * 2018-06-26 2022-06-06 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
JP7179514B2 (ja) * 2018-07-11 2022-11-29 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
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
US11202583B2 (en) * 2019-02-07 2021-12-21 Yale University Magnetic resonance gradient accessory providing tailored gradients for diffusion encoding
CN113009389B (zh) * 2019-12-19 2022-09-23 中国科学院宁波材料技术与工程研究所 一种激光加热高温核磁共振探头和装置
CN111505552B (zh) * 2020-04-30 2023-04-07 联影(常州)医疗科技有限公司 一种梯度线圈及梯度线圈制造方法
JP7387533B2 (ja) * 2020-06-16 2023-11-28 キヤノンメディカルシステムズ株式会社 傾斜磁場コイル製造方法および傾斜磁場コイル用含浸型
EP4134693A1 (en) * 2021-08-10 2023-02-15 Koninklijke Philips N.V. Shielded gradient coil assembly
US12405331B2 (en) 2021-03-02 2025-09-02 Koninklijke Philips N.V. Shielded gradient assembly
DE102022210218A1 (de) * 2022-09-27 2024-03-28 Siemens Healthcare Gmbh Gradientenspuleneinheit mit separat ansteuerbaren Leiterstrukturpaaren
EP4386413A1 (de) * 2022-12-15 2024-06-19 Siemens Healthineers AG Gradientenspuleneinheit mit kühlkanal
CN120630074A (zh) * 2025-07-10 2025-09-12 陕西誉邦科技股份有限公司 一种磁共振成像用梯度线圈

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GB2342986A (en) * 1998-09-02 2000-04-26 Siemens Ag Direct-cooled magnet coil
US6236207B1 (en) * 1998-08-05 2001-05-22 Siemens Aktiengesellschaft Coil system for magnetic resonance systems with integrated cooling unit
US20010019266A1 (en) * 1999-12-22 2001-09-06 Ulrich Nerreter Magnetic resonance apparatus having a single-circuit cooling circulation system
GB2364572A (en) * 2000-04-12 2002-01-30 Siemens Ag Gradient coil with direct cooling and heat exchanger module therefor

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US6236207B1 (en) * 1998-08-05 2001-05-22 Siemens Aktiengesellschaft Coil system for magnetic resonance systems with integrated cooling unit
GB2342986A (en) * 1998-09-02 2000-04-26 Siemens Ag Direct-cooled magnet coil
US20010019266A1 (en) * 1999-12-22 2001-09-06 Ulrich Nerreter Magnetic resonance apparatus having a single-circuit cooling circulation system
GB2364572A (en) * 2000-04-12 2002-01-30 Siemens Ag Gradient coil with direct cooling and heat exchanger module therefor

Also Published As

Publication number Publication date
GB2448809A (en) 2008-10-29
GB0807164D0 (en) 2008-05-21
US7489131B2 (en) 2009-02-10
CN101295011B (zh) 2014-03-26
JP5364288B2 (ja) 2013-12-11
JP2008264536A (ja) 2008-11-06
US20080259560A1 (en) 2008-10-23
CN101295011A (zh) 2008-10-29

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Legal Events

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

Effective date: 20210418