DE69429135D1 - Vorabtastung mit einer schnellen Spinecho-Sequenz für ein Abbildgerät mit magnetischer Resonanz - Google Patents
Vorabtastung mit einer schnellen Spinecho-Sequenz für ein Abbildgerät mit magnetischer ResonanzInfo
- Publication number
- DE69429135D1 DE69429135D1 DE69429135T DE69429135T DE69429135D1 DE 69429135 D1 DE69429135 D1 DE 69429135D1 DE 69429135 T DE69429135 T DE 69429135T DE 69429135 T DE69429135 T DE 69429135T DE 69429135 D1 DE69429135 D1 DE 69429135D1
- Authority
- DE
- Germany
- Prior art keywords
- prescanning
- imaging device
- magnetic resonance
- spin echo
- echo sequence
- 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 - Fee Related
Links
- 238000003384 imaging method Methods 0.000 title 1
- 238000000264 spin echo pulse sequence Methods 0.000 title 1
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
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
- G01R33/56554—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by acquiring plural, differently encoded echo signals after one RF excitation, e.g. correction for readout gradients of alternating polarity in EPI
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/091,946 US5378985A (en) | 1993-07-15 | 1993-07-15 | Fast spin echo prescan for MRI system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69429135D1 true DE69429135D1 (de) | 2002-01-03 |
DE69429135T2 DE69429135T2 (de) | 2002-08-22 |
Family
ID=22230433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69429135T Expired - Fee Related DE69429135T2 (de) | 1993-07-15 | 1994-07-05 | Vorabtastung mit einer schnellen Spinecho-Sequenz für ein Abbildgerät mit magnetischer Resonanz |
Country Status (4)
Country | Link |
---|---|
US (1) | US5378985A (de) |
EP (1) | EP0634664B1 (de) |
JP (1) | JP3524159B2 (de) |
DE (1) | DE69429135T2 (de) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5614826A (en) * | 1995-08-18 | 1997-03-25 | Emory University | Methods for prepulsing in nuclear magnetic resonance pulse sequencing |
JP3688773B2 (ja) * | 1995-10-31 | 2005-08-31 | 株式会社東芝 | Mri装置 |
US5689186A (en) * | 1995-12-26 | 1997-11-18 | General Electric Company | Method for producing an off-center image using an EPI pulse sequence |
US5864233A (en) * | 1997-02-22 | 1999-01-26 | General Electric Company | Method to reduce eddy current effects in diffusion-weighted echo planar imaging |
US5998996A (en) * | 1997-03-27 | 1999-12-07 | General Electric Company | Correction of artifacts caused by Maxwell terms in phase contrast angiography |
US5923168A (en) * | 1997-06-17 | 1999-07-13 | General Electric Company | Correction of artifacts caused by Maxwell terms in slice offset echo planar imaging |
US6157192A (en) * | 1998-04-14 | 2000-12-05 | Wisconsin Alumni Research Foundation | Recovery of signal void arising from field inhomogeneities in echo planar imaging |
US6160397A (en) * | 1998-12-30 | 2000-12-12 | General Electric Company | Fast spin echo prescan for magnetic resonance imaging systems |
US6369568B1 (en) * | 1999-06-03 | 2002-04-09 | Ge Medical Systems Global Technology Company, Llc | Fast spin echo phase correction for MRI system |
US6614225B1 (en) * | 1999-12-03 | 2003-09-02 | David Feinberg | Simultaneous image refocusing |
US6853188B2 (en) * | 1999-12-31 | 2005-02-08 | Advanced Mri Technologies, Llc | Method and apparatus for removing specific stimulated echoes in simultaneous image refocusing |
US6469505B1 (en) | 2000-03-31 | 2002-10-22 | Ge Medical Systems Global Technology Co., Llc | Method and apparatus to reduce perturbation field effects in MR images by restricting the region of interest |
US6528998B1 (en) | 2000-03-31 | 2003-03-04 | Ge Medical Systems Global Technology Co., Llc | Method and apparatus to reduce the effects of maxwell terms and other perturbation magnetic fields in MR images |
JP3875479B2 (ja) * | 2000-10-20 | 2007-01-31 | 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 | 磁気共鳴撮影装置 |
JP3858191B2 (ja) * | 2000-10-31 | 2006-12-13 | 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 | Mri装置 |
US7020868B2 (en) * | 2000-11-22 | 2006-03-28 | General Electric Company | Graphic application development system for a medical imaging system |
JP4633291B2 (ja) * | 2001-04-06 | 2011-02-16 | 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 | 磁気共鳴撮影装置 |
JP4319035B2 (ja) * | 2001-10-30 | 2009-08-26 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
US6803763B2 (en) * | 2003-01-13 | 2004-10-12 | Ge Medicalsystems Technology Company, Llc | Method and system for retrospective phase correction for fast spin echo magnetic resonance imaging |
JP4619674B2 (ja) * | 2004-03-24 | 2011-01-26 | 株式会社東芝 | 磁気共鳴イメージング装置 |
JP4751210B2 (ja) * | 2005-02-10 | 2011-08-17 | 株式会社東芝 | 磁気共鳴イメージング装置 |
US7239137B2 (en) * | 2005-09-20 | 2007-07-03 | General Electric Company | Method and apparatus for fast spin echo (FSE) prescan phase correction |
US8115485B1 (en) * | 2006-03-10 | 2012-02-14 | General Electric Company | Method and apparatus for interactively setting parameters of an MR imaging sequence through inspection of frequency spectrum |
US7298146B1 (en) * | 2006-06-23 | 2007-11-20 | General Electric Compnay | Method and apparatus of manual pre-scan spatial and spectral data acquisition |
US7642776B2 (en) * | 2006-09-27 | 2010-01-05 | Siemens Aktiengesellschaft | Method to determine an acquisition sequence in an imaging method for generation of 2D slice images |
JP4249215B2 (ja) * | 2006-10-06 | 2009-04-02 | 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 | 磁気共鳴イメージング装置 |
JP5570713B2 (ja) * | 2007-09-27 | 2014-08-13 | 株式会社東芝 | 磁気共鳴イメージング装置 |
JP2009254583A (ja) * | 2008-04-16 | 2009-11-05 | Toshiba Corp | 磁気共鳴イメージング装置及びその制御方法 |
JP5523696B2 (ja) * | 2008-12-25 | 2014-06-18 | 株式会社東芝 | 磁気共鳴イメージング装置 |
JP5686660B2 (ja) | 2010-05-27 | 2015-03-18 | 株式会社東芝 | 磁気共鳴イメージング装置及び方法 |
JP5611882B2 (ja) * | 2010-05-31 | 2014-10-22 | 株式会社東芝 | 磁気共鳴イメージング装置 |
US8680860B2 (en) * | 2010-12-08 | 2014-03-25 | General Electric Company | System and method for reducing localized signal fluctuation |
JP5925529B2 (ja) * | 2011-03-31 | 2016-05-25 | 株式会社東芝 | 磁気共鳴イメージング装置 |
JP5650044B2 (ja) * | 2011-04-22 | 2015-01-07 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
EP2615470A1 (de) * | 2012-01-12 | 2013-07-17 | Koninklijke Philips Electronics N.V. | MR-Bildgebung mit B1-Kartierung |
US9846215B2 (en) * | 2012-08-22 | 2017-12-19 | Hitachi, Ltd. | MRI embodiments for controlling an arrangement order of multiple echoes in a k-space |
CN104685368B (zh) * | 2012-10-02 | 2017-09-05 | 皇家飞利浦有限公司 | 用于耐金属mr成像的方法和设备 |
JP2016533838A (ja) * | 2013-09-10 | 2016-11-04 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 金属耐性mrイメージング |
US10222437B2 (en) * | 2013-10-21 | 2019-03-05 | Koninklijke Philips N.V. | MR imaging with temperature mapping |
CN104569882B (zh) * | 2014-12-29 | 2017-08-22 | 苏州朗润医疗系统有限公司 | 磁共振成像系统快速自旋回波的相位校正方法及其应用 |
JP6495057B2 (ja) * | 2015-03-16 | 2019-04-03 | キヤノンメディカルシステムズ株式会社 | Mri装置及び撮像時間短縮方法 |
JP6591208B2 (ja) * | 2015-06-09 | 2019-10-16 | キヤノンメディカルシステムズ株式会社 | 磁気共鳴イメージング装置 |
US9911062B1 (en) * | 2015-10-20 | 2018-03-06 | Ohio State Innovation Foundation | Background phase correction for quantitative cardiovascular MRI |
US11085988B2 (en) | 2019-03-20 | 2021-08-10 | The Board Of Trustees Of The Leland Stanford Junior University | Method for estimating systematic imperfections in medical imaging systems with deep learning |
US12306282B2 (en) | 2022-04-29 | 2025-05-20 | Siemens Healthineers Ag | Avoiding artifacts in image data reconstructed from measurement data acquired by means of a turbo spin echo sequence |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4706027A (en) * | 1986-08-28 | 1987-11-10 | Kabushiki Kaisha Toshiba | Method for correcting phase errors in magnetic resonance imaging data |
NL8701642A (nl) * | 1987-07-13 | 1989-02-01 | Philips Nv | Werkwijze en inrichting voor het uitvoeren van een fasecorrectie bij mr angiografie. |
NL8702700A (nl) * | 1987-11-12 | 1989-06-01 | Philips Nv | Werkwijze en inrichting voor automatische fasecorrectie van complexe nmr spectra. |
JPH03292934A (ja) * | 1990-04-09 | 1991-12-24 | Hitachi Medical Corp | 核磁気共鳴を用いた検査方法 |
US5151656A (en) * | 1990-12-11 | 1992-09-29 | General Electric Company | Correction of nmr data acquired by an echo-planar technique |
US5226418A (en) * | 1991-08-01 | 1993-07-13 | General Electric Company | Phase correction of complex - difference processed magnetic resonance angiograms |
-
1993
- 1993-07-15 US US08/091,946 patent/US5378985A/en not_active Expired - Lifetime
-
1994
- 1994-07-05 DE DE69429135T patent/DE69429135T2/de not_active Expired - Fee Related
- 1994-07-05 EP EP94304921A patent/EP0634664B1/de not_active Expired - Lifetime
- 1994-07-14 JP JP16162994A patent/JP3524159B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69429135T2 (de) | 2002-08-22 |
EP0634664A1 (de) | 1995-01-18 |
EP0634664B1 (de) | 2001-11-21 |
JP3524159B2 (ja) | 2004-05-10 |
JPH07163544A (ja) | 1995-06-27 |
US5378985A (en) | 1995-01-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: ROEGER UND KOLLEGEN, 73728 ESSLINGEN |
|
8339 | Ceased/non-payment of the annual fee |