JP2003169789A5 - - Google Patents

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JP2003169789A5
JP2003169789A5 JP2001373080A JP2001373080A JP2003169789A5 JP 2003169789 A5 JP2003169789 A5 JP 2003169789A5 JP 2001373080 A JP2001373080 A JP 2001373080A JP 2001373080 A JP2001373080 A JP 2001373080A JP 2003169789 A5 JP2003169789 A5 JP 2003169789A5
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magnetic resonance
section
data
imaging apparatus
resonance imaging
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JP2001373080A
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JP3977067B2 (en
JP2003169789A (en
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Claims (5)

被検体の所定の断面に核磁気共鳴を起こさせる磁場発生手段と、前記被検体から発生する核磁気共鳴信号を検出する検出手段と、前記被検体の所定の断面を設定する断面設定手段と、前記磁場発生手段及び検出手段を制御する制御手段と、前記検出手段により検出された核磁気共鳴信号を用いて前記被検体の断面の画像を作成する計算手段と、画像を表示する手段とを備えた磁気共鳴イメージング装置において、
前記制御手段は、前記断面設定手段からの信号に基き所定の断面を選択する傾斜磁場を設定し、前記所定の断面について位相補正用データの取得とそれに続く画像形成用データの取得を実行する制御を行うことを特徴とする磁気共鳴イメージング装置。
A magnetic field generating means for causing nuclear magnetic resonance in a predetermined cross section of the subject, a detecting means for detecting a nuclear magnetic resonance signal generated from the subject, a cross section setting means for setting the predetermined cross section of the subject, Control means for controlling the magnetic field generation means and detection means, calculation means for creating an image of a cross section of the subject using a nuclear magnetic resonance signal detected by the detection means, and means for displaying an image In the magnetic resonance imaging apparatus,
The control means is configured to set a gradient magnetic field for selecting a predetermined cross section based on a signal from the cross section setting means, and to execute acquisition of phase correction data and subsequent acquisition of image forming data for the predetermined cross section Performing a magnetic resonance imaging apparatus.
前記制御手段は、位相補正用データ取得のためのステップと画像形成用データ取得のためのステップを同じ繰り返し時間で実行す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 magnetic resonance imaging apparatus according to claim 1 , wherein the control unit executes the step for acquiring the data for phase correction and the step for acquiring the data for forming the image at the same repetition time. 前記制御手段は、前記断面設定手段によって設定される撮像断面が変化する毎に、前記位相補正用データを取得し、位相補正することを特徴とする請求項1又は2に記載の磁気共鳴イメージング装置。  3. The magnetic resonance imaging apparatus according to claim 1, wherein the control unit acquires the phase correction data and corrects the phase every time the imaging section set by the section setting unit changes. . 前記制御手段は、画像形成用データ取得のステップを実行する毎に、位相補正用データ取得のためのステップを実行することを特徴とする請求項1又は2に記載の磁気共鳴イメージング装置。  3. The magnetic resonance imaging apparatus according to claim 1, wherein the control unit executes a step for acquiring phase correction data each time the image forming data acquisition step is executed. 前記制御手段は、1枚の画像を再構成するためのデータが配置されるk空間を複数の領域に分割して計測し、各領域のデータを計測する毎に、位相補正用データ取得のためのステップを実行することを特徴とする請求項1又は2に記載の磁気共鳴イメージング装置。  The control means measures and divides a k-space in which data for reconstructing one image is divided into a plurality of areas, and acquires phase correction data each time data in each area is measured. The magnetic resonance imaging apparatus according to claim 1, wherein the steps are executed.
JP2001373080A 2001-12-06 2001-12-06 Magnetic resonance imaging system Expired - Fee Related JP3977067B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001373080A JP3977067B2 (en) 2001-12-06 2001-12-06 Magnetic resonance imaging system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001373080A JP3977067B2 (en) 2001-12-06 2001-12-06 Magnetic resonance imaging system

Publications (3)

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JP2003169789A JP2003169789A (en) 2003-06-17
JP2003169789A5 true JP2003169789A5 (en) 2005-07-21
JP3977067B2 JP3977067B2 (en) 2007-09-19

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JP2001373080A Expired - Fee Related JP3977067B2 (en) 2001-12-06 2001-12-06 Magnetic resonance imaging system

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4651315B2 (en) * 2004-06-16 2011-03-16 株式会社日立メディコ Magnetic resonance imaging system
JP5013357B2 (en) * 2006-01-18 2012-08-29 独立行政法人情報通信研究機構 Image processing program and image processing apparatus in magnetic resonance imaging
JP2012157458A (en) * 2011-01-31 2012-08-23 Ge Medical Systems Global Technology Co Llc Magnetic resonance imaging apparatus
PL2930651T3 (en) * 2014-04-11 2017-02-28 Magcam Nv Method and device for measuring a magnetic field distribution of a magnet along a main surface of said magnet
JP6866548B2 (en) * 2017-02-27 2021-04-28 株式会社吉田製作所 Magnetic resonance imaging device

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