JP2008302096A5 - - Google Patents

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JP2008302096A5
JP2008302096A5 JP2007153504A JP2007153504A JP2008302096A5 JP 2008302096 A5 JP2008302096 A5 JP 2008302096A5 JP 2007153504 A JP2007153504 A JP 2007153504A JP 2007153504 A JP2007153504 A JP 2007153504A JP 2008302096 A5 JP2008302096 A5 JP 2008302096A5
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imaging
magnetic resonance
imaging apparatus
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JP2007153504A
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JP2008302096A (en
JP5236213B2 (en
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撮像空間に静磁場を発生させる静磁場発生手段と、前記撮像空間に傾斜磁場を発生させる傾斜磁場発生手段と、前記撮像空間に配置される被検体に核磁気共鳴を起こさせるために高周波磁場を発生させる高周波磁場発生手段と、前記被検体からの核磁気共鳴信号を検出する信号受信手段と、前記信号受信手段により検出した核磁気共鳴信号を用いて画像を再構成する信号処理手段と、前記画像を表示する表示手段と、前記被検体を載せて前記被検体を撮像空間に配置するためのテーブルと、前記被検体を載せたテーブルの移動を行うテーブル移動手段と、前記テーブル移動手段により、前記被検体の各撮像部位を前記撮像空間内にステップ移動させ、前記信号処理手段により、前記各ステップの撮像視野の画像を取得して、撮像視野毎の画像の合成処理を行い前記被検体の合成画像を得る合成手段を備えた磁気共鳴イメージング装置において、
複数の前記ステップの撮像視野における撮像条件を、一つの画面上で入力するための入力手段を備えたことを特徴とする磁気共鳴イメージング装置。
A static magnetic field generating means for generating a static magnetic field in the imaging space; a gradient magnetic field generating means for generating a gradient magnetic field in the imaging space; and a high-frequency magnetic field for causing nuclear magnetic resonance in a subject placed in the imaging space. High-frequency magnetic field generating means for generating, signal receiving means for detecting a nuclear magnetic resonance signal from the subject, signal processing means for reconstructing an image using the nuclear magnetic resonance signal detected by the signal receiving means, Display means for displaying an image, a table for placing the subject and placing the subject in an imaging space, a table moving means for moving the table on which the subject is placed, and the table moving means, Each imaging region of the subject is moved stepwise into the imaging space, and an image of the imaging field of view of each step is acquired by the signal processing means, and an image for each imaging field of view is acquired. The magnetic resonance imaging apparatus comprising combining means for obtaining a composite image of the subject perform a combination process,
A magnetic resonance imaging apparatus comprising input means for inputting imaging conditions in a plurality of imaging visual fields in the steps on a single screen.
前記撮像条件は、複数個のパラメータより構成され、前記複数個のパラメータは、前記複数個の撮像視野に共通に設定される共通パラメータと、前記複数個の撮像視野それぞれに設定される撮像視野依存パラメータが含まれることを特徴とする請求項1記載の磁気共鳴イメージング装置。   The imaging condition includes a plurality of parameters, and the plurality of parameters depend on a common parameter set in common to the plurality of imaging fields and an imaging field of view set in each of the plurality of imaging fields. The magnetic resonance imaging apparatus according to claim 1, further comprising a parameter. 前記共通パラメータ及び前記撮像視野依存パラメータは、前記表示手段の画面上の異なる位置に表示されることを特徴とする請求項2記載の磁気共鳴イメージング装置。   The magnetic resonance imaging apparatus according to claim 2, wherein the common parameter and the imaging field-dependent parameter are displayed at different positions on a screen of the display unit. 前記撮像視野依存パラメータは、前記複数個の撮像視野の位置、大きさあるいは前記複数個の撮像視野の内、隣合う撮像視野間で重なる領域の幅が含まれ、それらは、前記表示手段上に表形式で表示されることを特徴とする請求項2記載の磁気共鳴イメージング装置。   The imaging field-dependent parameter includes the position and size of the plurality of imaging fields, or the width of a region that overlaps between adjacent imaging fields among the plurality of imaging fields, and these are displayed on the display unit. 3. The magnetic resonance imaging apparatus according to claim 2, wherein the magnetic resonance imaging apparatus is displayed in a table format. 前記表形式で表示される前記撮像視野依存パラメータは、縦あるいは横のどちらか一方に前記複数個の撮像視野が順に配置され、前記縦あるいは横の他方に各撮像視野依存パラメータが順に配置されて表示されることを特徴とする請求項4記載の磁気共鳴イメージング装置。   The imaging field-dependent parameter displayed in the table format is such that the plurality of imaging fields are sequentially arranged in either the vertical or horizontal direction, and the imaging field-dependent parameters are sequentially arranged in the other of the vertical or horizontal direction. 5. The magnetic resonance imaging apparatus according to claim 4, wherein the magnetic resonance imaging apparatus is displayed. 前記高周波磁場発生手段及び前記信号受信手段は、複数個の高周波コイルより構成され、前記表示手段には、前記複数個の高周波コイルと前記複数個の撮像視野の位置関係が表示されることを特徴とする請求項1記載の磁気共鳴イメージング装置。   The high-frequency magnetic field generating means and the signal receiving means are composed of a plurality of high-frequency coils, and the display means displays a positional relationship between the plurality of high-frequency coils and the plurality of imaging fields. The magnetic resonance imaging apparatus according to claim 1. 前記複数個の高周波コイルの位置を入力あるいは検出して表示する手段を備えたことを特徴とする請求項6記載の磁気共鳴イメージング装置。   7. The magnetic resonance imaging apparatus according to claim 6, further comprising means for inputting or detecting positions of the plurality of high-frequency coils and displaying them. 前記表示手段に表示された前記複数個の高周波コイルと前記複数個の撮像視野の位置関係に変更を加えることにより、前記複数個の撮像視野の位置および大きさを設定可能であることを特徴とする請求項6記載の磁気共鳴イメージング装置。   The position and size of the plurality of imaging fields can be set by changing the positional relationship between the plurality of high-frequency coils displayed on the display means and the plurality of imaging fields. The magnetic resonance imaging apparatus according to claim 6. 前記共通パラメータを前記複数個のパラメータより選択する選択手段を備えたことを特徴とする請求項2記載の磁気共鳴イメージング装置。   3. The magnetic resonance imaging apparatus according to claim 2, further comprising selection means for selecting the common parameter from the plurality of parameters. 前記複数個の高周波コイルの感度分布を表示する感度分布表示手段が備えられ、前記感度分布に応じて、前記複数個の撮像視野の位置及び大きさが設定されることを特徴とする請求項6記載の磁気共鳴イメージング装置。 7. A sensitivity distribution display means for displaying a sensitivity distribution of the plurality of high-frequency coils is provided, and positions and sizes of the plurality of imaging fields are set according to the sensitivity distribution. The magnetic resonance imaging apparatus described. 前記複数個の高周波コイルによる撮像可能範囲内領域及び/あるいは撮像可能範囲外領域を表示する手段を備え、前記撮像可能範囲内領域及び/あるいは撮像可能範囲外領域に応じて、前記複数個の撮像視野の位置及び大きさが設定されることを特徴とする請求項6記載の磁気共鳴イメージング装置。 Means for displaying an area within the imageable range and / or an area outside the imageable range by the plurality of high-frequency coils , and the plurality of images according to the area within the imageable range and / or the area outside the imageable range 7. The magnetic resonance imaging apparatus according to claim 6, wherein the position and size of the visual field are set .
JP2007153504A 2007-06-11 2007-06-11 Magnetic resonance imaging system Active JP5236213B2 (en)

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JP2008302096A5 true JP2008302096A5 (en) 2010-07-22
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JP5184899B2 (en) * 2008-01-18 2013-04-17 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Magnetic resonance imaging system
JP5566860B2 (en) * 2010-01-13 2014-08-06 株式会社東芝 Magnetic resonance imaging system
CN102596027B (en) 2010-11-01 2014-08-27 株式会社东芝 Magnetic Resonance Imaging Device And Magnetic Resonance Image Pickup Method
JP5710343B2 (en) * 2011-03-31 2015-04-30 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Magnetic resonance imaging system
US9157979B2 (en) 2011-05-02 2015-10-13 Toshiba Medical Systems Corporation Efficient multi-station MRI
JP6395388B2 (en) 2013-06-26 2018-09-26 株式会社日立製作所 Magnetic resonance imaging apparatus and control method thereof
DE102014207435A1 (en) * 2014-04-17 2015-10-22 Siemens Aktiengesellschaft Carrying out a magnetic resonance examination at several table positions
DE102015202771A1 (en) 2015-02-16 2016-08-18 Siemens Healthcare Gmbh A method of operating a medical imaging system and operating device for such a system

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US7821267B2 (en) * 2005-06-09 2010-10-26 Hitachi Medical Corporation Magnetic resonance imaging method and apparatus
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