JP2002282239A5 - - Google Patents

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Publication number
JP2002282239A5
JP2002282239A5 JP2002044089A JP2002044089A JP2002282239A5 JP 2002282239 A5 JP2002282239 A5 JP 2002282239A5 JP 2002044089 A JP2002044089 A JP 2002044089A JP 2002044089 A JP2002044089 A JP 2002044089A JP 2002282239 A5 JP2002282239 A5 JP 2002282239A5
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JP
Japan
Prior art keywords
gradient
gradient coil
magnetic field
coil
shield
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.)
Granted
Application number
JP2002044089A
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English (en)
Japanese (ja)
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JP2002282239A (ja
JP4172939B2 (ja
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Publication date
Priority claimed from US09/791,307 external-priority patent/US6498947B2/en
Application filed filed Critical
Publication of JP2002282239A publication Critical patent/JP2002282239A/ja
Publication of JP2002282239A5 publication Critical patent/JP2002282239A5/ja
Application granted granted Critical
Publication of JP4172939B2 publication Critical patent/JP4172939B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2002044089A 2001-02-23 2002-02-21 Ｒｆシールドの方法及び装置 Expired - Fee Related JP4172939B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/791,307 US6498947B2 (en) 2001-02-23 2001-02-23 rf shielding method and apparatus
US09/791307 2001-02-23

Publications (3)

Publication Number Publication Date
JP2002282239A JP2002282239A (ja) 2002-10-02
JP2002282239A5 true JP2002282239A5 (enExample) 2005-08-25
JP4172939B2 JP4172939B2 (ja) 2008-10-29

Family

ID=25153304

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002044089A Expired - Fee Related JP4172939B2 (ja) 2001-02-23 2002-02-21 Ｒｆシールドの方法及び装置

Country Status (3)

Country Link
US (1) US6498947B2 (enExample)
EP (1) EP1237007A3 (enExample)
JP (1) JP4172939B2 (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6888153B2 (en) * 2000-04-05 2005-05-03 University Of Washington Capacitive shield for containing radiofrequency magnetic fields
US6885194B2 (en) * 2002-05-03 2005-04-26 Ge Medical Systems Global Technology Company, Llc Method and apparatus for minimizing gradient coil and rf coil coupling
JP2004154560A (ja) * 2002-10-17 2004-06-03 Toshiba Corp 医用画像診断システム、医用画像診断システムにおける情報提供サーバ及び情報提供方法
US7230426B2 (en) * 2003-06-20 2007-06-12 General Electric Company Split-shield gradient coil with improved fringe-field
EP1493389A1 (de) * 2003-07-01 2005-01-05 Siemens Aktiengesellschaft Verfahren und Einrichtung zum Erzeugen eines Röntgenbildes aus der Fokusregion eines Lithotripters
US7053617B2 (en) * 2003-10-01 2006-05-30 General Electric Co. Integrated electronic RF shielding apparatus for an MRI magnet
US7088100B2 (en) 2004-03-11 2006-08-08 General Electric Company Method and apparatus to generate a circular polarized RF field independent of subject asymmetry
US7102350B2 (en) * 2004-06-30 2006-09-05 General Electric Company Shielding apparatus for magnetic resonance imaging
JP2008523942A (ja) * 2004-12-21 2008-07-10 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 複数のコントラストを有する磁気共鳴イメージング
JP5094710B2 (ja) * 2005-05-06 2012-12-12 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 高磁場ｍｒｉコイル用の電磁場シールディング
US7339376B2 (en) * 2006-04-09 2008-03-04 General Electric Company MRI/MRS gradient coil with integrated cooling circuits
JP2008026003A (ja) * 2006-07-18 2008-02-07 Jeol Ltd Ｎｍｒプローブ
US8555578B2 (en) 2011-04-22 2013-10-15 Medtrak Holding Company, Llc Shielded movable door element of a multimodality medical suite
US9869735B2 (en) 2011-10-18 2018-01-16 Koninklijke Philips N.V. MRI coil assembly with a radio frequency shield switchable between a blocking state and a transparent state
EP3349028A1 (de) * 2017-01-13 2018-07-18 Sirona Dental Systems GmbH Mrt-vorrichtung und verfahren zur vermessung eines kopfbereichs eines patienten
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
DE102023209136A1 (de) * 2023-09-20 2025-03-20 Siemens Healthineers Ag Rekonfigurierbare Lokalspule, Vorrichtung zum Rekonfigurieren und Verfahren zum Betrieb

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5406204A (en) * 1992-03-27 1995-04-11 Picker International, Inc. Integrated MRI gradient coil and RF screen
US5453692A (en) * 1992-08-06 1995-09-26 Hitachi, Ltd. RF probe for nuclear magnetic resonance imaging (MRI) devices
JP3747981B2 (ja) * 1997-06-27 2006-02-22 株式会社日立メディコ 磁気共鳴イメージング装置
US6011394A (en) * 1997-08-07 2000-01-04 Picker International, Inc. Self-shielded gradient coil assembly and method of manufacturing the same
US5990681A (en) * 1997-10-15 1999-11-23 Picker International, Inc. Low-cost, snap-in whole-body RF coil with mechanically switchable resonant frequencies

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