JP2005199043A5 - - Google Patents

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Publication number
JP2005199043A5
JP2005199043A5 JP2004340299A JP2004340299A JP2005199043A5 JP 2005199043 A5 JP2005199043 A5 JP 2005199043A5 JP 2004340299 A JP2004340299 A JP 2004340299A JP 2004340299 A JP2004340299 A JP 2004340299A JP 2005199043 A5 JP2005199043 A5 JP 2005199043A5
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JP
Japan
Prior art keywords
coil
radius
current density
imaging
magnetic field
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
JP2004340299A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005199043A (ja
JP4753570B2 (ja
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Publication date
Priority claimed from US10/722,975 external-priority patent/US6975116B2/en
Application filed filed Critical
Publication of JP2005199043A publication Critical patent/JP2005199043A/ja
Publication of JP2005199043A5 publication Critical patent/JP2005199043A5/ja
Application granted granted Critical
Publication of JP4753570B2 publication Critical patent/JP4753570B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2004340299A 2003-11-26 2004-11-25 複数撮像領域傾斜コイルのための方法及び装置 Expired - Fee Related JP4753570B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/722,975 2003-11-26
US10/722,975 US6975116B2 (en) 2003-11-26 2003-11-26 Method and apparatus for multiple field of view gradient coils

Publications (3)

Publication Number Publication Date
JP2005199043A JP2005199043A (ja) 2005-07-28
JP2005199043A5 true JP2005199043A5 (enExample) 2009-12-17
JP4753570B2 JP4753570B2 (ja) 2011-08-24

Family

ID=33565376

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004340299A Expired - Fee Related JP4753570B2 (ja) 2003-11-26 2004-11-25 複数撮像領域傾斜コイルのための方法及び装置

Country Status (5)

Country Link
US (1) US6975116B2 (enExample)
JP (1) JP4753570B2 (enExample)
CN (1) CN100435725C (enExample)
DE (1) DE102004057028A1 (enExample)
GB (1) GB2408583B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7468644B2 (en) * 2004-11-05 2008-12-23 New York University Gradient coil arrangement and method for using the same
GB2448479B (en) * 2007-04-18 2009-06-03 Siemens Magnet Technology Ltd Improved shim for imaging magnets
US8063638B2 (en) * 2009-03-31 2011-11-22 General Electric Company Liquid dielectric gradient coil system and method
US10989775B2 (en) * 2017-11-08 2021-04-27 Canon Medical Systems Corporation Magnetic resonance imaging apparatus for supplying power to gradient coils

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5320103A (en) 1987-10-07 1994-06-14 Advanced Techtronics, Inc. Permanent magnet arrangement
US5406205A (en) 1989-11-08 1995-04-11 Bruker Analytische Messtechnik Gmbh Gradient-generation system, nuclear spin tomograph, and process for the generation of images with a nuclear-spin tomograph
US5382904A (en) 1992-04-15 1995-01-17 Houston Advanced Research Center Structured coil electromagnets for magnetic resonance imaging and method for fabricating the same
JPH0678896A (ja) * 1992-09-02 1994-03-22 Toshiba Corp 磁気共鳴イメージング装置
CN1085767A (zh) * 1992-10-22 1994-04-27 广东威达医疗器械集团公司 均匀磁场装置
US5311135A (en) * 1992-12-11 1994-05-10 General Electric Company Multiple tap gradient field coil for magnetic resonance imaging
US5378988A (en) 1993-01-22 1995-01-03 Pulyer; Yuly M. MRI system having high field strength open access magnet
US5633587A (en) 1995-02-14 1997-05-27 Kabushiki Kaisha Toshiba Magnetostatic field generating magnet for use in an MRI system having an active magnetic shield
JP3143371B2 (ja) 1995-09-19 2001-03-07 信越化学工業株式会社 磁気共鳴イメージング装置
US5713359A (en) 1995-10-02 1998-02-03 General Electric Company Magnetic resonance (MR) perfusion imaging in a low-field imaging magnet
EP0797103B1 (de) 1996-03-28 1999-06-02 Siemens Aktiengesellschaft Magnetanordnung für die bildgebende magnetische Resonanz mit zwei getrennten Abbildungsvolumina
US5696449A (en) 1996-06-03 1997-12-09 General Electric Company RF coil for open MR magnet
US6150911A (en) 1996-07-24 2000-11-21 Odin Technologies Ltd. Yoked permanent magnet assemblies for use in medical applications
US6249120B1 (en) 1998-07-22 2001-06-19 General Electric Company Modular timemasking sequence programming for imaging system
JP4191840B2 (ja) * 1999-02-15 2008-12-03 株式会社東芝 傾斜磁場コイル装置
DE19913124C1 (de) * 1999-03-23 2000-10-26 Siemens Ag Schaltbare longitudinale Gradientenspule
DE19917058C1 (de) * 1999-04-15 2000-10-19 Siemens Ag Schaltbare Gradientenspule auf der Basis von Sattelspulen
US6252405B1 (en) 1999-11-15 2001-06-26 General Electric Company Temperature compensated NMR magnet and method of operation therefor
US6538443B2 (en) * 2001-03-20 2003-03-25 Koninklijke Philips Electronics N.V. MRI gradient coil with variable field of view and apparatus and methods employing the same
JP2002291716A (ja) * 2001-03-30 2002-10-08 Hitachi Medical Corp 高次エンコーデイング傾斜磁場コイルを備えた磁気共鳴イメージング装置
US6479999B1 (en) 2001-06-05 2002-11-12 Koninklijke Philips Electronics N.V. Efficiently shielded MRI gradient coil with discretely or continuously variable field of view
US6703835B2 (en) 2002-04-11 2004-03-09 Ge Medical Systems Global Technology Co. Llc System and method for unwrapping phase difference images
US6630829B1 (en) 2002-04-22 2003-10-07 Ge Medical Systems Global Technology Co., Llc Gradient coil set capable of producing a variable field of view
US6680612B1 (en) * 2002-10-16 2004-01-20 Ge Medical Systems Global Technology Company, Llc Gradient coil apparatus for magnetic resonance imaging
US20040075434A1 (en) 2002-10-16 2004-04-22 Vavrek Robert Michael Gradient coil apparatus for magnetic resonance imaging
AU2003272029A1 (en) * 2002-11-20 2004-06-15 Koninklijke Philips Electronics N.V. Self-shielded gradient field coil for magnetic resonance imaging
WO2005043185A1 (en) * 2003-10-29 2005-05-12 Koninklijke Philips Electronics N.V. Variable field-of-view gradient coil system for magnetic resonance imaging

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