JP2007144144A5 - - Google Patents

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JP2007144144A5
JP2007144144A5 JP2006289953A JP2006289953A JP2007144144A5 JP 2007144144 A5 JP2007144144 A5 JP 2007144144A5 JP 2006289953 A JP2006289953 A JP 2006289953A JP 2006289953 A JP2006289953 A JP 2006289953A JP 2007144144 A5 JP2007144144 A5 JP 2007144144A5
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interest
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magnetic resonance
moved
regions
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JP2006289953A
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JP2007144144A (en
JP4987423B2 (en
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静磁場中の被検体に対して傾斜磁場および高周波パルスを印加することで磁気共鳴信号を発生させる撮像部と、
前記被検体を載置するための天板を含み、この天板をその長手方向にスライドさせる寝台と、
前記磁気共鳴信号を検出するための高周波コイルと、
位置決め画像を表示する表示手段と、
前記位置決め画像上での指定に基づいて関心領域を判定する判定手段と、
前記静磁場により規定される撮像可能領域と前記関心領域とを比較する比較手段と、
前記比較手段により前記関心領域が前記撮像可能領域よりも大きいと判定された場合に、前記関心領域を含む複数の撮像領域を求める演算手段と、
前記複数の撮像領域をそれぞれ撮像するように前記撮影部、前記寝台および前記高周波コイルを制御する制御手段とを具備したことを特徴とする磁気共鳴イメージング装置。
An imaging unit that generates a magnetic resonance signal by applying a gradient magnetic field and a high-frequency pulse to a subject in a static magnetic field;
Including a couch for placing the subject, and a couch for sliding the couch in the longitudinal direction;
A high-frequency coil for detecting the magnetic resonance signal;
Display means for displaying a positioning image;
Determination means for determining a region of interest based on designation on the positioning image;
Comparison means for comparing the imageable region defined by the static magnetic field with the region of interest;
When the comparison unit determines that the region of interest is larger than the imageable region, a calculation unit that obtains a plurality of imaging regions including the region of interest;
A magnetic resonance imaging apparatus comprising: a control unit configured to control the imaging unit, the bed, and the high-frequency coil so as to capture each of the plurality of imaging regions.
前記複数の撮像領域のそれぞれに関する撮像により得られた複数の画像をつなぎ合わせてつなぎ合わせ画像を生成する生成手段をさらに備えることを特徴とする請求項1に記載の磁気共鳴イメージング装置。   The magnetic resonance imaging apparatus according to claim 1, further comprising a generation unit that generates a stitched image by stitching a plurality of images obtained by imaging with respect to each of the plurality of imaging regions. 前記関心領域中の関心点を判定する手段をさらに備え、
前記演算手段は、前記関心点を1つの撮像範囲の中央とするように前記複数の撮像範囲を求めることを特徴とする請求項1に記載の磁気共鳴イメージング装置。
Means for determining a point of interest in the region of interest;
The magnetic resonance imaging apparatus according to claim 1, wherein the calculation unit obtains the plurality of imaging ranges so that the point of interest is in the center of one imaging range.
静磁場中の被検体に対して傾斜磁場および高周波パルスを印加することで磁気共鳴信号を発生させる撮像部と、
前記被検体を載置するための天板を含み、この天板をその長手方向にスライドさせる寝台と、
前記磁気共鳴信号を検出するための高周波コイルと、
位置決め画像を表示する表示手段と、
前記位置決め画像上での指定に基づいて、それぞれが前記静磁場により規定される撮像可能領域より小さい複数の関心領域を判定する判定手段と、
前記位置決め画像上での指定に基づいて前記複数の関心領域のうちの少なくとも1つを移動させるとともに、当該移動させた関心領域とは別の関心領域を、前記移動させた関心領域に対して規定状態となるように移動させる移動手段と、
前記複数の関心領域を確定する確定手段と、
前記確定手段により確定された前記複数の関心領域をそれぞれ撮像するように前記撮影部、前記寝台および前記高周波コイルを制御する制御手段とを具備したことを特徴とする磁気共鳴イメージング装置。
An imaging unit that generates a magnetic resonance signal by applying a gradient magnetic field and a high-frequency pulse to a subject in a static magnetic field;
Including a couch for placing the subject, and a couch for sliding the couch in the longitudinal direction;
A high-frequency coil for detecting the magnetic resonance signal;
Display means for displaying a positioning image;
Determination means for determining a plurality of regions of interest smaller than the imageable region each defined by the static magnetic field based on designation on the positioning image;
Based on the designation on the positioning image, at least one of the plurality of regions of interest is moved, and a region of interest different from the moved region of interest is defined for the moved region of interest. Moving means for moving to a state;
Determining means for determining the plurality of regions of interest;
A magnetic resonance imaging apparatus comprising: a control unit that controls the imaging unit, the bed, and the high-frequency coil so as to capture the plurality of regions of interest determined by the determination unit.
前記複数の撮像領域のそれぞれに関する撮像により得られた複数の画像をつなぎ合わせてつなぎ合わせ画像を生成する生成手段をさらに備えることを特徴とする請求項4に記載の磁気共鳴イメージング装置。   5. The magnetic resonance imaging apparatus according to claim 4, further comprising a generating unit that generates a stitched image by stitching a plurality of images obtained by imaging with respect to each of the plurality of imaging regions. 前記移動手段は、前記位置決め画像上での指定に基づいて移動させた関心領域とは別の関心領域を、前記移動させた関心領域に対してほぼ平行になるように移動させることを特徴とする請求項4に記載の磁気共鳴イメージング装置。 The moving means moves a region of interest different from the region of interest moved based on designation on the positioning image so as to be substantially parallel to the moved region of interest. The magnetic resonance imaging apparatus according to claim 4. 前記移動手段は、前記前記位置決め画像上での指定に基づいて移動させた関心領域とは別の関心領域を、前記複数の関心領域がほぼ直線状に並ぶように移動させることを特徴とする請求項4に記載の磁気共鳴イメージング装置。   The moving means moves a region of interest different from the region of interest moved based on the designation on the positioning image so that the plurality of regions of interest are arranged substantially in a straight line. Item 5. The magnetic resonance imaging apparatus according to Item 4. 前記移動手段は、前記位置決め画像上での指定に基づいて移動させた関心領域に一部が重複していた別の関心領域を、前記移動させた関心領域を移動させる前とほぼ同じ位置で前記移動させた関心領域に重複するように移動させることを特徴とする請求項4に記載の磁気共鳴イメージング装置。   The moving means moves another region of interest that partially overlaps the region of interest moved based on the designation on the positioning image at substantially the same position as before moving the moved region of interest. The magnetic resonance imaging apparatus according to claim 4, wherein the magnetic resonance imaging apparatus is moved so as to overlap the moved region of interest.
JP2006289953A 2005-10-31 2006-10-25 Magnetic resonance imaging system Expired - Fee Related JP4987423B2 (en)

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JP2006289953A JP4987423B2 (en) 2005-10-31 2006-10-25 Magnetic resonance imaging system

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JP2005317284 2005-10-31
JP2005317284 2005-10-31
JP2006289953A JP4987423B2 (en) 2005-10-31 2006-10-25 Magnetic resonance imaging system

Publications (3)

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JP2007144144A JP2007144144A (en) 2007-06-14
JP2007144144A5 true JP2007144144A5 (en) 2009-11-26
JP4987423B2 JP4987423B2 (en) 2012-07-25

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JP4970148B2 (en) * 2007-05-31 2012-07-04 株式会社東芝 Magnetic resonance imaging apparatus, image display apparatus, image display program, and image display system
JP5164447B2 (en) * 2007-06-22 2013-03-21 株式会社日立メディコ Magnetic resonance imaging method
JP5285338B2 (en) * 2008-06-13 2013-09-11 株式会社日立メディコ Magnetic resonance imaging apparatus and station position setting method
JP5468434B2 (en) * 2010-03-25 2014-04-09 株式会社東芝 Magnetic resonance imaging system
JP6329490B2 (en) * 2013-02-05 2018-05-23 株式会社日立製作所 X-ray CT apparatus and image reconstruction method
JP7263219B2 (en) * 2019-11-28 2023-04-24 キヤノンメディカルシステムズ株式会社 Magnetic resonance imaging system

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US6425864B1 (en) * 1999-04-15 2002-07-30 General Electric Company Method and apparatus for optimal imaging of the peripheral vasculature
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