CN109073719A - 磁共振辐射屏蔽和被屏蔽的主磁体 - Google Patents
磁共振辐射屏蔽和被屏蔽的主磁体 Download PDFInfo
- Publication number
- CN109073719A CN109073719A CN201780025665.XA CN201780025665A CN109073719A CN 109073719 A CN109073719 A CN 109073719A CN 201780025665 A CN201780025665 A CN 201780025665A CN 109073719 A CN109073719 A CN 109073719A
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- Prior art keywords
- radiation shield
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- cylindrical wall
- outer layer
- cavity
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- 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.)
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 37
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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
- G01R33/3804—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
-
- 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
- G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
- G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
-
- 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
- G01R33/3858—Manufacture and installation of gradient coils, means for providing mechanical support to parts of the gradient-coil assembly
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16166777.9 | 2016-04-25 | ||
| EP16166777 | 2016-04-25 | ||
| PCT/EP2017/059742 WO2017186687A1 (en) | 2016-04-25 | 2017-04-25 | Magnetic resonance radiation shield and shielded main magnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109073719A true CN109073719A (zh) | 2018-12-21 |
Family
ID=55808484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780025665.XA Pending CN109073719A (zh) | 2016-04-25 | 2017-04-25 | 磁共振辐射屏蔽和被屏蔽的主磁体 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US11249156B2 (enExample) |
| EP (1) | EP3449268B1 (enExample) |
| JP (1) | JP7010842B2 (enExample) |
| CN (1) | CN109073719A (enExample) |
| WO (1) | WO2017186687A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687487A (zh) * | 2019-09-30 | 2020-01-14 | 东软医疗系统股份有限公司 | 大体线圈及其制造方法、扫描设备 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA201990820A1 (ru) * | 2016-09-28 | 2019-10-31 | Способы лечения митохондриальных и метаболических нарушений | |
| DE102019116322B4 (de) | 2019-06-14 | 2023-01-26 | Bruker Biospin Mri Gmbh | Bildgebungsvorrichtung, Verfahren zum Auslegen einer Platinenanordnung und Platinenanordnung |
| CN113640723B (zh) * | 2021-07-20 | 2024-08-20 | 中国科学院电工研究所 | 一种提高即时监护型磁共振成像信噪比的系统与方法 |
| CN113937067A (zh) * | 2021-09-23 | 2022-01-14 | 中国电子科技集团公司第十三研究所 | 磁电阻随机存储器及其封装外壳和制备方法 |
| JP2024117291A (ja) * | 2023-02-17 | 2024-08-29 | キヤノンメディカルシステムズ株式会社 | 超電導磁石、及び磁気共鳴イメージング装置 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060022779A1 (en) * | 2004-07-28 | 2006-02-02 | General Electric Company | Superconductive magnet including a cryocooler coldhead |
| US20060084332A1 (en) * | 2004-05-10 | 2006-04-20 | Linde Aktiengesellschaft | Heat shield |
| CN101799522A (zh) * | 2009-02-10 | 2010-08-11 | 英国西门子公司 | 热辐射防护屏、低温恒温器和mri系统 |
| CN102778660A (zh) * | 2011-05-12 | 2012-11-14 | 上海联影医疗科技有限公司 | 用于磁共振成像系统超导磁体的悬挂部件 |
| WO2015074809A1 (en) * | 2013-11-22 | 2015-05-28 | Koninklijke Philips N.V. | Dynamic boil-off reduction with improved cryogenic vessel |
| CN105308472A (zh) * | 2013-06-17 | 2016-02-03 | 皇家飞利浦有限公司 | 磁共振成像梯度线圈 |
| CN102472830B (zh) * | 2009-07-15 | 2016-03-30 | 微雷公司 | 用于使直线性加速器和磁共振成像设备彼此屏蔽的方法和装置 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5280247A (en) * | 1992-03-27 | 1994-01-18 | Picker International, Inc. | Filamentary cold shield for superconducting magnets |
| JPH03173530A (ja) | 1989-12-04 | 1991-07-26 | Hitachi Ltd | 磁気共鳴イメージング装置の傾斜磁場コイル |
| US5387889A (en) * | 1991-03-29 | 1995-02-07 | Kabushiki Kaisha Toshiba | Superconducting magnet apparatus |
| JP3268047B2 (ja) * | 1993-02-02 | 2002-03-25 | 株式会社東芝 | 超電導磁石装置 |
| US6011454A (en) | 1998-12-30 | 2000-01-04 | Huang; Xianrui | Superconducting magnet suspension assembly |
| DE19947539B4 (de) | 1999-10-02 | 2006-04-20 | Bruker Biospin Gmbh | Gradientenspulenanordnung mit Dämpfung innerer mechanischer Schwingungen |
| US6538440B2 (en) * | 2001-06-20 | 2003-03-25 | Ge Medical Systems Global Technology Co., Llc | Non-conductive long wave thermal radiation shield |
| US7518370B2 (en) | 2006-11-30 | 2009-04-14 | General Electric Company | Low eddy current vacuum vessel and method of making same |
| GB2487813B (en) * | 2010-09-28 | 2013-02-27 | Siemens Plc | A hollow cylindrical thermal shield for a tubular cryogenically cooled superconducting magnet |
| US9322892B2 (en) | 2011-12-20 | 2016-04-26 | General Electric Company | System for magnetic field distortion compensation and method of making same |
| US9446263B2 (en) | 2013-03-15 | 2016-09-20 | Viewray Technologies, Inc. | Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging |
| DE202014101104U1 (de) | 2014-03-09 | 2014-04-03 | Aspect Imaging Ltd. | Eine wärmeisolierende MRT-Ummantelung |
| WO2016031341A1 (ja) * | 2014-08-27 | 2016-03-03 | 株式会社 日立メディコ | 磁気共鳴イメージング装置 |
| JP6378039B2 (ja) * | 2014-10-23 | 2018-08-22 | 株式会社日立製作所 | 超電導磁石およびｍｒｉ装置、ｎｍｒ装置 |
-
2017
- 2017-04-25 WO PCT/EP2017/059742 patent/WO2017186687A1/en not_active Ceased
- 2017-04-25 EP EP17720748.7A patent/EP3449268B1/en active Active
- 2017-04-25 CN CN201780025665.XA patent/CN109073719A/zh active Pending
- 2017-04-25 US US16/095,102 patent/US11249156B2/en active Active
- 2017-04-25 JP JP2018555673A patent/JP7010842B2/ja active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060084332A1 (en) * | 2004-05-10 | 2006-04-20 | Linde Aktiengesellschaft | Heat shield |
| US20060022779A1 (en) * | 2004-07-28 | 2006-02-02 | General Electric Company | Superconductive magnet including a cryocooler coldhead |
| CN101799522A (zh) * | 2009-02-10 | 2010-08-11 | 英国西门子公司 | 热辐射防护屏、低温恒温器和mri系统 |
| CN102472830B (zh) * | 2009-07-15 | 2016-03-30 | 微雷公司 | 用于使直线性加速器和磁共振成像设备彼此屏蔽的方法和装置 |
| CN102778660A (zh) * | 2011-05-12 | 2012-11-14 | 上海联影医疗科技有限公司 | 用于磁共振成像系统超导磁体的悬挂部件 |
| CN105308472A (zh) * | 2013-06-17 | 2016-02-03 | 皇家飞利浦有限公司 | 磁共振成像梯度线圈 |
| WO2015074809A1 (en) * | 2013-11-22 | 2015-05-28 | Koninklijke Philips N.V. | Dynamic boil-off reduction with improved cryogenic vessel |
Non-Patent Citations (2)
| Title |
|---|
| J. VETTER ET.AL: "A 4-TESLA SUPERCONDUCTING WHOLE-BODY MAGNET FOR MR IMAGING AND SPECTROSCOPY", 《IEEE TRANSACTIONS ON MAGNETICS》 * |
| 植村益次 等: "《高性能复合材料最新技术》", 28 February 1989, 中国建筑工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110687487A (zh) * | 2019-09-30 | 2020-01-14 | 东软医疗系统股份有限公司 | 大体线圈及其制造方法、扫描设备 |
Also Published As
| Publication number | Publication date |
|---|---|
| US11249156B2 (en) | 2022-02-15 |
| WO2017186687A1 (en) | 2017-11-02 |
| JP7010842B2 (ja) | 2022-02-10 |
| EP3449268B1 (en) | 2022-06-29 |
| JP2019516447A (ja) | 2019-06-20 |
| EP3449268A1 (en) | 2019-03-06 |
| US20200355769A1 (en) | 2020-11-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |