JP2005279168A5 - - Google Patents

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JP2005279168A5
JP2005279168A5 JP2004101999A JP2004101999A JP2005279168A5 JP 2005279168 A5 JP2005279168 A5 JP 2005279168A5 JP 2004101999 A JP2004101999 A JP 2004101999A JP 2004101999 A JP2004101999 A JP 2004101999A JP 2005279168 A5 JP2005279168 A5 JP 2005279168A5
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coil
magnetic field
gradient magnetic
gradient
coils
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JP2004101999A
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JP4330477B2 (en
JP2005279168A (en
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Claims (8)

実質的に平坦な形状を有し、異なる方向の傾斜磁場を発生する複数のコイルを含む磁気共鳴イメージング装置用傾斜磁場コイルであって、少なくともその一方の面に電磁気的機能を有しない冷却配管が配置されるとともに、前記複数のコイルの一つは内部に冷媒の流路を有する冷却コイルであることを特徴とする傾斜磁場コイル。   A gradient magnetic field coil for a magnetic resonance imaging apparatus having a substantially flat shape and including a plurality of coils that generate gradient magnetic fields in different directions, and a cooling pipe having no electromagnetic function on at least one surface thereof A gradient magnetic field coil, wherein one of the plurality of coils is a cooling coil having a coolant channel therein. 前記冷却配管は、無誘導巻きされた単層からなることを特徴とする請求項１記載の傾斜磁場コイル。   The gradient magnetic field coil according to claim 1, wherein the cooling pipe is formed of a non-inductively wound single layer. 請求項１又は２に記載の傾斜磁場コイルであって、
前記冷却配管と冷却コイルの各配管は圧力損失が同等で同じ冷媒循環系に接続されていることを特徴とする傾斜磁場コイル。 The gradient coil according to claim 1 or 2,
The gradient magnetic field coil, wherein each of the cooling pipe and the cooling coil has the same pressure loss and is connected to the same refrigerant circulation system. 実質的に平坦な形状を有し、異なる方向の傾斜磁場を発生する複数のコイルを含む磁気共鳴イメージング装置用傾斜磁場コイルであって、前記複数のコイルの一つは内部に冷媒の流路を有する冷却コイルであって、他のコイルの間に配置されていることを特徴とする傾斜磁場コイル。   A gradient coil for a magnetic resonance imaging apparatus having a substantially flat shape and including a plurality of coils for generating gradient magnetic fields in different directions, wherein one of the plurality of coils has a coolant channel therein. A gradient magnetic field coil comprising a cooling coil having a coil disposed between other coils. 実質的に平坦な形状を有し、少なくとも一方向の傾斜磁場を発生する複数のコイルを含む磁気共鳴イメージング装置用傾斜磁場コイルであって、その少なくとも一方の面に、無誘導巻きされた単層からなる冷却配管が配置されていることを特徴とする傾斜磁場コイル。   A gradient coil for a magnetic resonance imaging apparatus having a substantially flat shape and including a plurality of coils that generate a gradient magnetic field in at least one direction, and a single layer wound non-inductively on at least one surface thereof A gradient coil having a cooling pipe made of 実質的に平坦な形状を有し、異なる方向の傾斜磁場を発生する複数のコイルからなるメインコイルと、実質的に平坦な形状を有し、前記メインコイルの発生する傾斜磁場を打ち消す傾斜磁場を発生するシールドコイルとを備えた磁気共鳴イメージング装置用傾斜磁場コイルであって、
前記メインコイル及びシールドコイルの少なくとも一方が請求項１から５いずれか１項記載の傾斜磁場コイルであることを特徴とする磁気共鳴イメージング装置用傾斜磁場コイル。 A main coil composed of a plurality of coils having a substantially flat shape and generating gradient magnetic fields in different directions, and a gradient magnetic field having a substantially flat shape and canceling the gradient magnetic field generated by the main coil. A gradient magnetic field coil for a magnetic resonance imaging apparatus comprising a shield coil for generating,
The gradient magnetic field coil for a magnetic resonance imaging apparatus, wherein at least one of the main coil and the shield coil is the gradient magnetic field coil according to any one of claims 1 to 5. 請求項６に記載の傾斜磁場コイルであって、
前記メインコイル及び前記シールドコイルは、それぞれ、前記冷却配管を備え、前記メインコイル及び前記シールドコイルの冷却配管は直列接続されていることを特徴とする傾斜磁場コイル。 The gradient coil according to claim 6,
Each of the main coil and the shield coil includes the cooling pipe, and the main coil and the cooling pipe for the shield coil are connected in series. 撮像空間を挟んで対向配置される一対の静磁場磁石と、前記一対の静磁場磁石の各々に近接して配置された平板状の傾斜磁場コイルとを備えた磁気共鳴イメージング装置において、前記傾斜磁場コイルとして請求項１から７いずれか１項記載の傾斜磁場コイルと、熱交換器と循環ポンプとを有して前記冷媒を循環させる手段とを備えたことを特徴とする磁気共鳴イメージング装置。   In the magnetic resonance imaging apparatus comprising: a pair of static magnetic field magnets arranged opposite to each other with an imaging space interposed therebetween; and a flat gradient magnetic field coil arranged close to each of the pair of static magnetic field magnets, the gradient magnetic field A magnetic resonance imaging apparatus comprising the gradient magnetic field coil according to claim 1 as a coil, and means for circulating the refrigerant having a heat exchanger and a circulation pump.
JP2004101999A 2004-03-31 2004-03-31 Gradient magnetic field coil and magnetic resonance imaging apparatus using the same Expired - Lifetime JP4330477B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004101999A JP4330477B2 (en) 2004-03-31 2004-03-31 Gradient magnetic field coil and magnetic resonance imaging apparatus using the same

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JP2004101999A JP4330477B2 (en) 2004-03-31 2004-03-31 Gradient magnetic field coil and magnetic resonance imaging apparatus using the same

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JP2005279168A JP2005279168A (en) 2005-10-13
JP2005279168A5 true JP2005279168A5 (en) 2007-05-17
JP4330477B2 JP4330477B2 (en) 2009-09-16

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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7339376B2 (en) * 2006-04-09 2008-03-04 General Electric Company MRI/MRS gradient coil with integrated cooling circuits
JP5100199B2 (en) * 2006-05-17 2012-12-19 株式会社東芝 Gradient magnetic field coil, method of manufacturing the gradient magnetic field coil, and magnetic resonance imaging apparatus provided with the gradient magnetic field coil
JP5222735B2 (en) * 2007-02-06 2013-06-26 株式会社日立メディコ Magnetic resonance imaging apparatus and gradient coil
JP5613379B2 (en) * 2008-03-13 2014-10-22 株式会社東芝 Magnetic resonance imaging apparatus and cooling apparatus
JP6058612B2 (en) * 2009-09-28 2017-01-11 東芝メディカルシステムズ株式会社 Magnetic resonance imaging apparatus and gradient coil
JP5570910B2 (en) 2009-09-28 2014-08-13 株式会社東芝 Magnetic resonance imaging system
JP2011087904A (en) * 2009-09-28 2011-05-06 Toshiba Corp Magnetic resonance imaging apparatus
JP5911338B2 (en) * 2012-03-02 2016-04-27 株式会社東芝 Magnetic resonance imaging apparatus and cooling apparatus thereof
DE112015006201T5 (en) * 2015-02-23 2017-11-02 Synaptive Medical (Barbados) Inc. System and method for arranging magnetic resonance coils
US10761162B2 (en) * 2018-09-18 2020-09-01 General Electric Company Gradient coil cooling systems
CN113050005B (en) * 2019-12-26 2024-01-30 西门子(深圳)磁共振有限公司 Gradient coil cooling component and gradient coil

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