JP4771490B2 - 磁気共鳴イメージング装置 - Google Patents
磁気共鳴イメージング装置 Download PDFInfo
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- JP4771490B2 JP4771490B2 JP2008258963A JP2008258963A JP4771490B2 JP 4771490 B2 JP4771490 B2 JP 4771490B2 JP 2008258963 A JP2008258963 A JP 2008258963A JP 2008258963 A JP2008258963 A JP 2008258963A JP 4771490 B2 JP4771490 B2 JP 4771490B2
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- 210000001175 cerebrospinal fluid Anatomy 0.000 claims description 25
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- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G01R33/5608—Data processing and visualization specially adapted for MR, e.g. for feature analysis and pattern recognition on the basis of measured MR data, segmentation of measured MR data, edge contour detection on the basis of measured MR data, for enhancing measured MR data in terms of signal-to-noise ratio by means of noise filtering or apodization, for enhancing measured MR data in terms of resolution by means for deblurring, windowing, zero filling, or generation of gray-scaled images, colour-coded images or images displaying vectors instead of pixels
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- G01R33/5616—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE] using gradient refocusing, e.g. EPI
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- G01R33/5617—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE] using RF refocusing, e.g. RARE
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- Magnetic Resonance Imaging Apparatus (AREA)
Description
P,green=kI・Iavg(ra) ・・・(7)
P,blue =kI・Iavg(ra) ・・・(8)
P,green=kI・Iavg(ra) ・・・(13)
P,blue =kI・Iavg(ra) ・・・(14)
2 傾斜磁場コイル
3 傾斜磁場電源
4 寝台
4a 天板
5 寝台制御部
6 送信RFコイル
7 送信部
8 受信RFコイル
9 受信部
10 シーケンス制御部
15 架台部
20 計算機システム
21 インタフェース部
22,122 画像再構成部
22a,122a フーリエ変換処理部
22b,122b 絶対値画像作成部
22c 流速画像作成部
22d 流速分散画像作成部
122d 信号強度分散画像作成部
22e,122e 重畳画像処理部
23 記憶部
23a k空間データ記憶部
23b 画像データ記憶部
24 入力部
25 表示部
26 制御部
26a 画像表示制御部
100 MRI装置(磁気共鳴イメージング装置)
Claims (6)
- トリガ信号に同期して被検体の撮像領域に励起パルスを印加して該撮像領域に含まれるスピンに関するエコー信号を収集し、収集したエコー信号に基づいて磁気共鳴画像を生成する磁気共鳴イメージング装置であって、
脳脊髄液を含む撮像領域に励起パルスを印加し、一回の励起パルスで一つの画像を再構成し、かつ、再構成した画像に対して流速に比例した位相変化を与えることが可能な撮像法であって、前記脳脊髄液の流速成分が得られる撮像法による撮像を、前記トリガ信号から前記励起パルスを印加するまでの遅延時間を固定して複数回繰り返すことによって得られた複数の画像それぞれについて前記流速成分の分布を表す流速画像を計算画像として作成する計算画像作成手段と、
前記計算画像作成手段によって作成された複数の流速画像を用いて、各流速画像における同一位置ごとに時系列に沿った前記流速成分の分散を算出し、算出した前記流速成分の分散の分布を表す統計値画像を作成する統計値画像作成手段と、
前記統計値画像作成手段によって作成された統計値画像における前記流速成分の分散の分布を表示する統計値表示手段と、
を備えたことを特徴とする磁気共鳴イメージング装置。 - 前記計算画像作成手段によって用いられる複数の画像は、前記被検体の生体信号を前記トリガ信号として前記撮像を複数回繰り返すことによって得られたものであ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。
- 前記計算画像作成手段によって用いられる複数の画像は、一定の周期で発生する信号を前記トリガ信号として前記撮像を複数回繰り返すことによって得られたものであ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。
- 前記統計値表示手段は、所定の計算画像に重畳させて、前記流速成分の分散の分布を表示することを特徴とする請求項1、2又は3に記載の磁気共鳴イメージング装置。
- 前記統計値表示手段は、前記流速成分の分散の値に応じて当該流速成分の分散の分布の表示形態を変化させることを特徴とする請求項1〜4のいずれか一つに記載の磁気共鳴イメージング装置。
- 前記統計値表示手段は、前記脳脊髄液が流れる方向に応じて前記流速成分の分散の分布の表示態様を変化させることを特徴とする請求項1〜5のいずれか一つに記載の磁気共鳴イメージング装置。
Priority Applications (3)
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JP2008258963A JP4771490B2 (ja) | 2008-10-03 | 2008-10-03 | 磁気共鳴イメージング装置 |
US12/572,761 US8903469B2 (en) | 2008-10-03 | 2009-10-02 | Determining velocity of cerebrospinal fluid by magnetic resonance imaging |
US13/570,569 US8903470B2 (en) | 2008-10-03 | 2012-08-09 | Determining velocity of cerebrospinal fluid by magnetic resonance imaging |
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JP2008258963A JP4771490B2 (ja) | 2008-10-03 | 2008-10-03 | 磁気共鳴イメージング装置 |
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JP2011133906A Division JP5283092B2 (ja) | 2011-06-16 | 2011-06-16 | 磁気共鳴イメージング装置および画像処理装置 |
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JP2010088515A JP2010088515A (ja) | 2010-04-22 |
JP4771490B2 true JP4771490B2 (ja) | 2011-09-14 |
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JP (1) | JP4771490B2 (ja) |
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US10459057B2 (en) | 2013-02-08 | 2019-10-29 | Toshiba Medical Systems Corporation | Image processing apparatus, magnetic resonance imaging apparatus and image processing method |
US10470685B2 (en) | 2012-08-22 | 2019-11-12 | Samsung Electronics Co., Ltd. | Method and apparatus for capturing magnetic resonance image |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014054565A (ja) * | 2009-09-30 | 2014-03-27 | Toshiba Corp | 磁気共鳴イメージング装置、および、表示処理システム |
JP5433436B2 (ja) * | 2009-09-30 | 2014-03-05 | 株式会社東芝 | 磁気共鳴イメージング装置、および、磁気共鳴イメージング方法 |
CN103781416B (zh) * | 2011-07-07 | 2016-09-14 | 小利兰·斯坦福大学托管委员会 | 使用体相位对比mri的全面的心血管分析 |
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JP6423066B2 (ja) * | 2012-04-27 | 2018-11-14 | キヤノンメディカルシステムズ株式会社 | 画像処理装置及び磁気共鳴イメージング装置 |
JP6261871B2 (ja) * | 2012-04-27 | 2018-01-17 | 東芝メディカルシステムズ株式会社 | 画像処理装置及び磁気共鳴イメージング装置 |
BR112015018553A2 (pt) * | 2013-02-06 | 2017-07-18 | Koninklijke Philips Nv | aparelho médico, método para controle de um aparelho médico e produto de programa de computador contendo instruções executáveis por máquina operáveis |
JP6091989B2 (ja) * | 2013-05-10 | 2017-03-08 | 東芝メディカルシステムズ株式会社 | 画像処理装置及び磁気共鳴イメージング装置 |
WO2014185521A1 (ja) * | 2013-05-17 | 2014-11-20 | 学校法人北里研究所 | 磁気共鳴イメージング装置、画像処理装置、画像診断装置、画像解析装置、mri画像作成方法およびプログラム |
WO2016132176A1 (en) * | 2015-02-19 | 2016-08-25 | Synaptive Medical (Barbados) Inc. | Systems and methods for measuring global glymphatic flow using magnetic resonance imaging |
US9805662B2 (en) * | 2015-03-23 | 2017-10-31 | Intel Corporation | Content adaptive backlight power saving technology |
DE102015109678A1 (de) * | 2015-06-17 | 2016-12-22 | Julius-Maximilians-Universität Würzburg | Dynamische Fourier-Raum-Magnetresonanz |
US10743785B2 (en) | 2015-08-27 | 2020-08-18 | The Regents Of The University Of California | Hybrid one- and two-sided flow-encoding only (HOTFEO) for velocity-encoding phase contrast MRI |
US10145926B2 (en) * | 2015-11-30 | 2018-12-04 | Siemens Healthcare Gmbh | Phase-cycled steady-state free precession imaging |
JP7305014B1 (ja) * | 2022-02-17 | 2023-07-07 | 功憲 末次 | 頭部傾け動作支援システムおよび頭部傾け動作支援プログラム |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01148250A (ja) | 1987-12-04 | 1989-06-09 | Hitachi Ltd | 磁気共鳴検査装置 |
US4918386A (en) * | 1988-12-23 | 1990-04-17 | General Electric Company | Method for simultaneously obtaining three-dimensional NMR angiograms and stationary tissue NMR images |
JP3018196B2 (ja) * | 1990-07-04 | 2000-03-13 | 名古屋大学長 | 画像表示装置 |
US5281914A (en) * | 1991-08-09 | 1994-01-25 | The Johns Hopkins University | Method of vector magnetic resonance measurement and imaging and associated apparatus |
JP3366398B2 (ja) * | 1993-10-25 | 2003-01-14 | 株式会社日立メディコ | Mri装置 |
JPH10234695A (ja) * | 1997-02-21 | 1998-09-08 | Hitachi Medical Corp | 磁気共鳴イメージング装置 |
AU6673498A (en) * | 1997-03-10 | 1998-09-29 | Robin Medical Inc. | Method and apparatus for the assessment and display of variability in mechanicalactivity of the heart, and enhancement of ultrasound contrast imaging by variab ility analysis |
TW399234B (en) | 1997-07-02 | 2000-07-21 | Yamaha Corp | Wiring forming method |
EP1047953B1 (en) * | 1998-11-18 | 2006-03-22 | Koninklijke Philips Electronics N.V. | Magnetic resonance method and device |
DE60027887T2 (de) * | 1999-12-15 | 2006-12-28 | Koninklijke Philips Electronics N.V. | Diagnostische bildgebungseinheit mit ultraschallsensor |
JP4594482B2 (ja) * | 2000-03-14 | 2010-12-08 | 株式会社東芝 | 磁気共鳴イメージング方法及び磁気共鳴イメージング装置 |
US8315450B2 (en) | 2004-11-24 | 2012-11-20 | Wisconsin Alumni Research Foundation | Method and system for display of medical image data |
JP4622715B2 (ja) * | 2005-07-15 | 2011-02-02 | 株式会社日立製作所 | 画像データ解析方法およびシステム |
JP5002222B2 (ja) * | 2006-09-13 | 2012-08-15 | 学校法人東海大学 | 磁気共鳴イメージング装置 |
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Cited By (2)
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---|---|---|---|---|
US10470685B2 (en) | 2012-08-22 | 2019-11-12 | Samsung Electronics Co., Ltd. | Method and apparatus for capturing magnetic resonance image |
US10459057B2 (en) | 2013-02-08 | 2019-10-29 | Toshiba Medical Systems Corporation | Image processing apparatus, magnetic resonance imaging apparatus and image processing method |
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US8903470B2 (en) | 2014-12-02 |
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