JP7050753B6 - 磁気共鳴検査システム用の能動シールド勾配コイルアセンブリ - Google Patents
磁気共鳴検査システム用の能動シールド勾配コイルアセンブリ Download PDFInfo
- Publication number
- JP7050753B6 JP7050753B6 JP2019507945A JP2019507945A JP7050753B6 JP 7050753 B6 JP7050753 B6 JP 7050753B6 JP 2019507945 A JP2019507945 A JP 2019507945A JP 2019507945 A JP2019507945 A JP 2019507945A JP 7050753 B6 JP7050753 B6 JP 7050753B6
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- Japan
- Prior art keywords
- winding
- shield
- gradient
- gradient coil
- coil assembly
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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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Classifications
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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
- G01R33/42—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
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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
- G01R33/38—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
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16184173 | 2016-08-15 | ||
| EP16184173.9 | 2016-08-15 | ||
| PCT/EP2017/070693 WO2018033548A1 (en) | 2016-08-15 | 2017-08-15 | Actively shielded gradient coil assembly for a magnetic resonance examination system |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| JP2019531112A JP2019531112A (ja) | 2019-10-31 |
| JP2019531112A5 JP2019531112A5 (https=) | 2020-09-10 |
| JP7050753B2 JP7050753B2 (ja) | 2022-04-08 |
| JP7050753B6 true JP7050753B6 (ja) | 2022-06-01 |
Family
ID=56787282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019507945A Active JP7050753B6 (ja) | 2016-08-15 | 2017-08-15 | 磁気共鳴検査システム用の能動シールド勾配コイルアセンブリ |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10634745B2 (https=) |
| EP (1) | EP3497459B1 (https=) |
| JP (1) | JP7050753B6 (https=) |
| CN (1) | CN109642932B (https=) |
| WO (1) | WO2018033548A1 (https=) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7050753B6 (ja) * | 2016-08-15 | 2022-06-01 | コーニンクレッカ フィリップス エヌ ヴェ | 磁気共鳴検査システム用の能動シールド勾配コイルアセンブリ |
| ES2986587T3 (es) * | 2018-12-13 | 2024-11-12 | Magnetica Ltd | Sistema de bobina de gradiente |
| CN110780245B (zh) | 2019-11-29 | 2021-04-27 | 中国科学院电工研究所 | 用于平面超导磁共振系统的屏蔽梯度线圈设计方法及其梯度线圈 |
| CN116413647A (zh) * | 2022-01-05 | 2023-07-11 | 安徽华米健康科技有限公司 | 梯度线圈和磁共振成像系统 |
| EP4365616A1 (en) | 2022-11-03 | 2024-05-08 | Koninklijke Philips N.V. | Coil assembly for a magnetic resonance examination system comprising an unshielded gradient coil |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012034807A (ja) | 2010-08-06 | 2012-02-23 | Hitachi Medical Corp | 傾斜磁場コイル、及び、磁気共鳴イメージング装置 |
| JP2012510846A (ja) | 2008-12-04 | 2012-05-17 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | サテライト傾斜コイルを持つ磁気共鳴撮像システム |
| US20120176137A1 (en) | 2009-09-30 | 2012-07-12 | Hitachi Medical Corporation | Gradient magnetic field coil and magnetic resonance imaging device |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3433605A1 (de) | 1984-09-13 | 1986-03-20 | Dornier System Gmbh, 7990 Friedrichshafen | Strahlungsschild |
| DE3900725A1 (de) | 1989-01-12 | 1990-07-19 | Bruker Analytische Messtechnik | Supraleitende magnetanordnung |
| DE4422782C2 (de) * | 1994-06-29 | 1998-02-19 | Siemens Ag | Aktiv geschirmte transversale Gradientenspule für Kernspintomographiegeräte |
| US5561371A (en) | 1995-09-27 | 1996-10-01 | General Electric Company | Transverse gradient coil |
| US5638595A (en) * | 1995-11-09 | 1997-06-17 | General Electric Company | Method for fabricating open MR magnet gradient coil |
| WO2002027346A1 (en) * | 2000-09-26 | 2002-04-04 | Koninklijke Philips Electronics N.V. | Vertical field type mri apparatus with a conical gradient coil situated in the main magnet |
| US6983181B2 (en) * | 2002-05-01 | 2006-01-03 | General Electric Company | Spatial encoding MR data of a moving subject using a higher-order gradient field |
| DE102004002919B4 (de) | 2004-01-20 | 2006-01-12 | Siemens Ag | Gradientenspulensystem und Verfahren zum Herstellen des Gradientenspulensystems |
| DE102004005278B4 (de) * | 2004-02-03 | 2008-09-11 | Siemens Ag | Verfahren zur Herstellung transversaler nichtzylindrischer Gradientenspulen mit zumindest einem divergenten Abschnitt |
| CN101019036A (zh) | 2004-06-17 | 2007-08-15 | 皇家飞利浦电子股份有限公司 | 带有铁辅助磁场梯度系统的磁共振成像系统 |
| JP4897493B2 (ja) | 2004-11-29 | 2012-03-14 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
| US7400147B2 (en) * | 2005-11-03 | 2008-07-15 | Uri Rapoport | Self-fastening cage surrounding a magnetic resonance device and methods thereof |
| US7852083B2 (en) * | 2006-04-14 | 2010-12-14 | Hitachi Medical Corporation | Magnetic resonance imaging apparatus and gradient magnetic field coil |
| DE102007008122B4 (de) | 2007-02-19 | 2014-01-09 | Siemens Aktiengesellschaft | Anordnung zur Kühlung einer Gradientenspule |
| WO2008122899A1 (en) * | 2007-04-04 | 2008-10-16 | Koninklijke Philips Electronics N.V. | Split gradient coil and pet/mri hybrid system using the same |
| GB2467596B (en) | 2009-02-10 | 2011-01-12 | Siemens Magnet Technology Ltd | A thermal radiation shield, a cryostat containing a cooled magnet and an MRI system comprising a radiation shield |
| GB2483889A (en) | 2010-09-22 | 2012-03-28 | Tesla Engineering Ltd | Gradient coil sub assemblies |
| EP3011355B1 (en) | 2013-06-17 | 2022-06-15 | Koninklijke Philips N.V. | Magnetic resonance imaging gradient coil |
| DE102013225274A1 (de) | 2013-12-09 | 2015-06-11 | Albert-Ludwigs-Universität Freiburg | Gradientensystem für die Magnetresonanzbildgebung |
| JP6366940B2 (ja) | 2014-01-09 | 2018-08-01 | 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 |
| CN204649947U (zh) * | 2015-06-10 | 2015-09-16 | 武汉中科波谱技术有限公司 | 一种核磁共振波谱仪梯度线圈 |
| JP7050753B6 (ja) * | 2016-08-15 | 2022-06-01 | コーニンクレッカ フィリップス エヌ ヴェ | 磁気共鳴検査システム用の能動シールド勾配コイルアセンブリ |
| JP6700479B2 (ja) | 2016-08-15 | 2020-05-27 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 熱放射スクリーン付磁石システム |
-
2017
- 2017-08-15 JP JP2019507945A patent/JP7050753B6/ja active Active
- 2017-08-15 CN CN201780049810.8A patent/CN109642932B/zh active Active
- 2017-08-15 EP EP17767727.5A patent/EP3497459B1/en active Active
- 2017-08-15 WO PCT/EP2017/070693 patent/WO2018033548A1/en not_active Ceased
- 2017-08-15 US US16/324,585 patent/US10634745B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012510846A (ja) | 2008-12-04 | 2012-05-17 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | サテライト傾斜コイルを持つ磁気共鳴撮像システム |
| US20120176137A1 (en) | 2009-09-30 | 2012-07-12 | Hitachi Medical Corporation | Gradient magnetic field coil and magnetic resonance imaging device |
| JP2012034807A (ja) | 2010-08-06 | 2012-02-23 | Hitachi Medical Corp | 傾斜磁場コイル、及び、磁気共鳴イメージング装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20190187229A1 (en) | 2019-06-20 |
| WO2018033548A1 (en) | 2018-02-22 |
| EP3497459A1 (en) | 2019-06-19 |
| JP7050753B2 (ja) | 2022-04-08 |
| US10634745B2 (en) | 2020-04-28 |
| EP3497459B1 (en) | 2024-11-20 |
| JP2019531112A (ja) | 2019-10-31 |
| CN109642932A (zh) | 2019-04-16 |
| CN109642932B (zh) | 2021-10-15 |
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