JP3949700B2 - マルチスライスmr画像形成装置 - Google Patents
マルチスライスmr画像形成装置 Download PDFInfo
- Publication number
- JP3949700B2 JP3949700B2 JP2006040743A JP2006040743A JP3949700B2 JP 3949700 B2 JP3949700 B2 JP 3949700B2 JP 2006040743 A JP2006040743 A JP 2006040743A JP 2006040743 A JP2006040743 A JP 2006040743A JP 3949700 B2 JP3949700 B2 JP 3949700B2
- Authority
- JP
- Japan
- Prior art keywords
- slice
- group
- slices
- data
- image forming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
- G01R33/4833—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices
- G01R33/4835—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices of multiple slices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/4828—Resolving the MR signals of different chemical species, e.g. water-fat imaging
Landscapes
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Description
FSP 脂肪抑制パルス
Claims (4)
- 2次元マルチスライスMR画像形成装置において、
a)スライスの1グループ内の各スライスの全てを飽和するために少なくとも1つの飽和プリパルスを使用することにより、前記1グループ内の前記各スライス全ての不所望なスペクトル成分によって生じる信号を抑制する手段と、
b)前記1グループ内の前記各スライスからMRデータの1ラインの読み出しが終了する迄他の飽和プリパルスを一切使用せずに、前記1グループ内の前記各スライスからMRデータの1ラインを読み出す手段を有しており、
十分な量のMRデータが前記グループ内の前記各スライス全てから得られるまで、上記a)の不所望なスペクトル成分によって生じる信号を抑制する手段と、上記b)の前記各スライスから前記MRデータの1ラインを読み出す手段が順次繰り返して作動されることを特徴とする2次元マルチスライスMR画像形成装置。 - 画像形成の際、1グループ内で形成することができるスライスよりも多数のスライスが形成され、更に、前記画像を多数のスライスグループに分割して、前記多数のスライスグループの前記各スライス全てからMRデータを得る手段を有している請求項1記載の2次元マルチスライスMR画像形成装置。
- 各グループは、夫々ほぼ同数のスライスを有している請求項2記載の2次元マルチスライスMR画像形成装置。
- 画像形成の際、不所望スペクトル成分によって生じる信号が抑制されるマルチスライスMR画像形成装置において、
a)各スライスからなる1グループ内の各スライスの全てを飽和するために少なくとも1つの飽和プリパルスを使用することにより、前記グループ内の前記各スライス内で、不所望スペクトル成分からの信号を抑制する手段と、
b)前記1グループ内の前記各スライスからMRデータの1ラインの読み出しが終了する迄他の飽和プリパルスを一切使用せずに、前記グループ内の各スライスからMRデータの1ラインを読み出す手段を有しており、
十分な量のMRデータが前記グループ内の前記各スライス全てから得られるまで、上記a)の不所望なスペクトル成分によって生じる信号を抑制する手段と、上記b)の前記各スライスから前記MRデータの1ラインを読み出す手段が順次繰り返して作動されることを特徴とする2次元マルチスライスMR画像形成装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/610,103 US5633586A (en) | 1996-02-29 | 1996-02-29 | Rapid fat- or water-suppressed multislice MR pulse sequence including initial prepulse |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP04563097A Division JP3811246B2 (ja) | 1996-02-29 | 1997-02-28 | マルチスライスmr信号の高速収集用の磁気共鳴装置の制御装置による制御方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006212440A JP2006212440A (ja) | 2006-08-17 |
JP3949700B2 true JP3949700B2 (ja) | 2007-07-25 |
Family
ID=24443668
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP04563097A Expired - Lifetime JP3811246B2 (ja) | 1996-02-29 | 1997-02-28 | マルチスライスmr信号の高速収集用の磁気共鳴装置の制御装置による制御方法 |
JP2006040743A Expired - Lifetime JP3949700B2 (ja) | 1996-02-29 | 2006-02-17 | マルチスライスmr画像形成装置 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP04563097A Expired - Lifetime JP3811246B2 (ja) | 1996-02-29 | 1997-02-28 | マルチスライスmr信号の高速収集用の磁気共鳴装置の制御装置による制御方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5633586A (ja) |
JP (2) | JP3811246B2 (ja) |
DE (1) | DE19706511C2 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3496898B2 (ja) * | 1995-03-03 | 2004-02-16 | 株式会社日立メディコ | 核磁気共鳴撮影装置 |
JP4040742B2 (ja) * | 1997-03-28 | 2008-01-30 | 株式会社東芝 | Mri装置 |
US6618608B1 (en) * | 1999-11-30 | 2003-09-09 | Txsonics, Ltd. | Thermal imaging of fat and muscle using a simultaneous phase and magnitude double echo sequence |
JP4473389B2 (ja) | 1999-12-20 | 2010-06-02 | 東芝医用システムエンジニアリング株式会社 | 磁気共鳴映像装置 |
EP1139114A3 (en) * | 2000-03-27 | 2003-08-06 | GE Medical Systems Global Technology Company LLC | Slice ordering method for breath-hold abdominal MR imaging |
DE10150133B4 (de) * | 2001-10-11 | 2005-03-17 | Universitätsklinikum Freiburg | Bildgebendes Mehrschicht-Verfahren der Magnetresonanz (NMR) mittels Homogenous Preparation Encoding (HoPE) |
DE60324900D1 (de) * | 2002-03-19 | 2009-01-08 | Koninkl Philips Electronics Nv | Verfahren, programm und gerät zur aufnahme von mr-bilddaten eines sich bewegenden organs |
JP4651315B2 (ja) * | 2004-06-16 | 2011-03-16 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
US9700220B2 (en) * | 2006-04-25 | 2017-07-11 | Toshiba Medical Systems Corporation | Magnetic resonance imaging apparatus and magnetic resonance imaging method |
DE102007011807B3 (de) * | 2007-03-12 | 2008-10-23 | Siemens Ag | Sequenz für die Magnet-Resonanz-Bildgebung und Magnet-Resonanz-Gerät hierzu |
JP5300279B2 (ja) * | 2008-01-31 | 2013-09-25 | 株式会社東芝 | 磁気共鳴イメージング装置 |
US9289154B2 (en) | 2009-08-19 | 2016-03-22 | Insightec Ltd. | Techniques for temperature measurement and corrections in long-term magnetic resonance thermometry |
US8368401B2 (en) | 2009-11-10 | 2013-02-05 | Insightec Ltd. | Techniques for correcting measurement artifacts in magnetic resonance thermometry |
WO2012088060A1 (en) * | 2010-12-20 | 2012-06-28 | Regents Of The University Of Minnesota | Method for rapid whole brain magnetic resonance imaging with contrast preparation |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5214382A (en) * | 1990-02-23 | 1993-05-25 | Baylor Research Institute | Magnetic resonance imaging with selective contrast enhancement |
US5406203A (en) * | 1992-08-10 | 1995-04-11 | The Trustees Of Columbia University In The City Of New York | Methods of multislice acquisition for magnetic resonance imaging |
JP3386509B2 (ja) * | 1993-04-27 | 2003-03-17 | 株式会社東芝 | Mr撮像方法および磁気共鳴イメージング装置 |
DE4405979C1 (de) * | 1994-02-24 | 1995-10-05 | Univ Ludwigs Albert | Verfahren der bildgebenden magnetischen Kernresonanz nach dem Mehrschichtverfahren |
US5429134A (en) * | 1994-06-27 | 1995-07-04 | General Electric Company | Multi-phase fat suppressed MRI cardiac imaging |
-
1996
- 1996-02-29 US US08/610,103 patent/US5633586A/en not_active Expired - Lifetime
-
1997
- 1997-02-19 DE DE19706511A patent/DE19706511C2/de not_active Expired - Fee Related
- 1997-02-28 JP JP04563097A patent/JP3811246B2/ja not_active Expired - Lifetime
-
2006
- 2006-02-17 JP JP2006040743A patent/JP3949700B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5633586A (en) | 1997-05-27 |
JP2006212440A (ja) | 2006-08-17 |
JP3811246B2 (ja) | 2006-08-16 |
JPH09238925A (ja) | 1997-09-16 |
DE19706511A1 (de) | 1997-09-04 |
DE19706511C2 (de) | 2003-04-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP3949700B2 (ja) | マルチスライスmr画像形成装置 | |
JP2926110B2 (ja) | 傾斜およびスピンエコー(grase)イメージングを用いた超高速多重セクション全身mri | |
JP4646011B2 (ja) | 放射状投影を使用した迅速取得磁気共鳴イメージング | |
US5447155A (en) | High temporal resolution black blood cine imaging | |
US7256580B2 (en) | Magnetic resonance imaging apparatus and magnetic resonance imaging method | |
DE19630758B4 (de) | Schnelle Herz-gesteuerte kernmagnetische Resonanz-Erfassung mit verbessertem T1-Kontrast | |
Börnert et al. | Coronary artery imaging at 0.5 T using segmented 3D echo planar imaging | |
US8798718B2 (en) | Method and apparatus to generate angiographic magnetic resonance images | |
DE19522487A1 (de) | MRI-Bildgebung zur Darstellung mehrerer Herzphasen mit Fettgewebeunterdrückung | |
EP1083437B1 (en) | Method and apparatus for MR data acquisition using a notched RF saturation pulse | |
JP6077090B2 (ja) | 磁気共鳴イメージング装置 | |
Lee et al. | Full‐brain coverage and high‐resolution imaging capabilities of passband b‐SSFP fMRI at 3T | |
Duyn et al. | High‐sensitivity single‐shot perfusion‐weighted fMRI | |
DE102009036237B4 (de) | Kontrastmittelfreie MR-Angiographie mit SSFP-Sequenzen | |
Luo et al. | Combined outer volume suppression and T2 preparation sequence for coronary angiography | |
US7340290B2 (en) | Magnetic resonance tomography apparatus and method for operating same for image generation | |
US7706855B1 (en) | System and method for MR data acquisition with uniform fat suppression | |
US6888349B2 (en) | Nuclear magnetic resonance (NMR) multi-slice imaging homogeneous preparation encoding (HoPE) | |
Harvey et al. | Echo‐volumar imaging (EVI) at 0.5 T: first whole‐body volunteer studies | |
Kim et al. | Triple contrast technique for black blood imaging with double inversion preparation | |
US20050228261A1 (en) | Magnetic resonance imaging method | |
JP4822376B2 (ja) | 磁気共鳴イメージング方法及び装置 | |
JP2008221024A (ja) | Mri装置 | |
Vigen et al. | Undersampled projection imaging for time-resolved contrast-enhanced 3D MR angiography (PR-TRICKS) | |
WO1996004566A1 (en) | A method of magnetic resonance imaging employing velocity refocussing |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20070320 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20070418 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110427 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120427 Year of fee payment: 5 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120427 Year of fee payment: 5 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130427 Year of fee payment: 6 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130427 Year of fee payment: 6 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140427 Year of fee payment: 7 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term |