DE102007004620B4 - Verbessertes dreidimensionales schichtselektives Mehrschicht-Anregungsverfahren in der MRT-Bildgebung - Google Patents
Verbessertes dreidimensionales schichtselektives Mehrschicht-Anregungsverfahren in der MRT-Bildgebung Download PDFInfo
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- DE102007004620B4 DE102007004620B4 DE102007004620A DE102007004620A DE102007004620B4 DE 102007004620 B4 DE102007004620 B4 DE 102007004620B4 DE 102007004620 A DE102007004620 A DE 102007004620A DE 102007004620 A DE102007004620 A DE 102007004620A DE 102007004620 B4 DE102007004620 B4 DE 102007004620B4
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- 238000003384 imaging method Methods 0.000 title claims abstract description 15
- 230000005284 excitation Effects 0.000 title claims description 25
- 238000000034 method Methods 0.000 claims abstract description 25
- 230000005291 magnetic effect Effects 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000035945 sensitivity Effects 0.000 claims description 3
- 238000002595 magnetic resonance imaging Methods 0.000 description 19
- 238000005259 measurement Methods 0.000 description 7
- 238000005481 NMR spectroscopy Methods 0.000 description 6
- 238000004804 winding Methods 0.000 description 6
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002591 computed tomography Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 241001136792 Alle Species 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000002366 time-of-flight method Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 231100000054 whole-body exposure Toxicity 0.000 description 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
- G01R33/56545—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by finite or discrete sampling, e.g. Gibbs ringing, truncation artefacts, phase aliasing artefacts
-
- 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
- G01R33/54—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
- G01R33/5659—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the RF magnetic field, e.g. spatial inhomogeneities of the RF magnetic field
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007004620A DE102007004620B4 (de) | 2007-01-30 | 2007-01-30 | Verbessertes dreidimensionales schichtselektives Mehrschicht-Anregungsverfahren in der MRT-Bildgebung |
| JP2008017749A JP5305673B2 (ja) | 2007-01-30 | 2008-01-29 | 磁気共鳴断層撮影による画像化方法、スピン断層撮影装置およびコンピュータプログラムを記録したコンピュータ読み取り可能な記録媒体 |
| CN2008100088820A CN101236240B (zh) | 2007-01-30 | 2008-01-30 | 磁共振断层造影成像中改进的三维层选择的多层激励方法 |
| US12/022,274 US7528601B2 (en) | 2007-01-30 | 2008-01-30 | Three-dimensional slice-selective multi-slice excitation method in MRT imaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007004620A DE102007004620B4 (de) | 2007-01-30 | 2007-01-30 | Verbessertes dreidimensionales schichtselektives Mehrschicht-Anregungsverfahren in der MRT-Bildgebung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE102007004620A1 DE102007004620A1 (de) | 2008-08-07 |
| DE102007004620B4 true DE102007004620B4 (de) | 2010-02-04 |
Family
ID=39587123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102007004620A Expired - Fee Related DE102007004620B4 (de) | 2007-01-30 | 2007-01-30 | Verbessertes dreidimensionales schichtselektives Mehrschicht-Anregungsverfahren in der MRT-Bildgebung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7528601B2 (enExample) |
| JP (1) | JP5305673B2 (enExample) |
| CN (1) | CN101236240B (enExample) |
| DE (1) | DE102007004620B4 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005018937B4 (de) * | 2005-04-22 | 2007-11-22 | Siemens Ag | Verfahren und Gerät zur verbesserten sendeseitig beschleunigten PPA-basierten Volumen-selektiven Magnet-Resonanz-Bildgebung sowie Computersoftwareprodukt zur Implementierung des Verfahrens |
| US7656155B2 (en) * | 2005-10-31 | 2010-02-02 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging apparatus and imaging method in the same |
| DE102008061455B4 (de) * | 2008-12-10 | 2011-03-17 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Bestimmung einer vorbestimmten Signalamplitude bei MR-Messungen |
| DE102009014903B4 (de) * | 2009-03-25 | 2012-01-12 | Siemens Aktiengesellschaft | Magnetresonanz-Projektionsangiographie mit kontinuierlicher Tischverschiebung |
| WO2016120178A1 (en) | 2015-01-27 | 2016-08-04 | Koninklijke Philips N.V. | Parallel multi-slice mr imaging with suppression of side band artefacts |
| US10802101B2 (en) * | 2018-05-31 | 2020-10-13 | General Electric Company | Method and systems for coil selection in magnetic resonance imaging to reduce phase wrap artifact |
| CN113766875B (zh) | 2019-03-25 | 2022-12-06 | 普罗马克索公司 | 用于在单面mri系统中进行体积采集的系统和方法 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5109854A (en) * | 1990-02-23 | 1992-05-05 | Picker International, Inc. | Roll-over aliasing suppression in undersampled images |
| US5345172A (en) * | 1991-06-05 | 1994-09-06 | Hitachi, Ltd. | Double-slice imaging method in NMR imaging apparatus |
| DE10128534A1 (de) * | 2001-06-13 | 2003-01-02 | Siemens Ag | Verfahren zur Bilderzeugung mittels magnetischer Resonanz mit mehreren Empfangsantennen |
| US20030004410A1 (en) * | 2001-04-19 | 2003-01-02 | General Electric Company | Method for MR imaging with an array of RF coils |
| US6600317B1 (en) * | 1998-12-28 | 2003-07-29 | Hitachi Medical Corp. | Magnetic resonance imaging method and apparatus |
| US6801034B2 (en) * | 2001-03-30 | 2004-10-05 | General Electric Company | Method and apparatus of acquiring large FOV images without slab-boundary artifacts |
| US20050017718A1 (en) * | 2001-12-17 | 2005-01-27 | Zwanenburg Jacobus Jan Marinus | Magnetic resonance method |
| WO2006117922A1 (ja) * | 2005-04-28 | 2006-11-09 | Hitachi Medical Corporation | 磁気共鳴撮影装置 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3440134B2 (ja) * | 1994-06-14 | 2003-08-25 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
| US5910728A (en) * | 1996-11-12 | 1999-06-08 | Beth Israel Deaconess Medical Center | Simultaneous acquisition of spatial harmonics (SMASH): ultra-fast imaging with radiofrequency coil arrays |
| JP4718714B2 (ja) * | 2000-04-25 | 2011-07-06 | 株式会社東芝 | 磁気共鳴イメージング装置及び磁気共鳴イメージング方法 |
| WO2003092497A1 (en) * | 2002-04-30 | 2003-11-13 | Hitachi Medical Corporation | Magnetic resonance imaging device |
| US7009396B2 (en) * | 2002-09-12 | 2006-03-07 | General Electric Company | Method and system for extended volume imaging using MRI with parallel reception |
| US6919722B2 (en) * | 2003-10-09 | 2005-07-19 | Ge Medical Systems Global Technology Company, Llc | Image quality improvement for SENSE with low signal regions |
| JP3680856B2 (ja) * | 2004-05-21 | 2005-08-10 | 株式会社東芝 | 磁気共鳴映像装置 |
| DE102004026616B4 (de) * | 2004-06-01 | 2007-09-20 | Siemens Ag | Verfahren zum Messen eines Untersuchungsbereichs mit einem Magnetresonanzgerät |
| JP4679158B2 (ja) * | 2004-10-08 | 2011-04-27 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
| DE102004052894B4 (de) * | 2004-11-02 | 2007-03-01 | Siemens Ag | Optimiertes Verfahren zur Vermeidung von Einfaltungsartefakten in der Magnetresonanztomographie sowie Magnetresonanztomographiegerät und Computersoftwareprodukt |
| JP4912156B2 (ja) * | 2005-01-21 | 2012-04-11 | 株式会社日立メディコ | 磁気共鳴イメージング方法及び装置 |
| JP4975614B2 (ja) * | 2005-03-30 | 2012-07-11 | 株式会社日立メディコ | 磁気共鳴イメージング装置及び方法 |
| US7250762B2 (en) * | 2005-07-07 | 2007-07-31 | General Electric Company | Method and system of MR imaging with reduced FSE cusp artifacts |
-
2007
- 2007-01-30 DE DE102007004620A patent/DE102007004620B4/de not_active Expired - Fee Related
-
2008
- 2008-01-29 JP JP2008017749A patent/JP5305673B2/ja not_active Expired - Fee Related
- 2008-01-30 CN CN2008100088820A patent/CN101236240B/zh not_active Expired - Fee Related
- 2008-01-30 US US12/022,274 patent/US7528601B2/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5109854A (en) * | 1990-02-23 | 1992-05-05 | Picker International, Inc. | Roll-over aliasing suppression in undersampled images |
| US5345172A (en) * | 1991-06-05 | 1994-09-06 | Hitachi, Ltd. | Double-slice imaging method in NMR imaging apparatus |
| US6600317B1 (en) * | 1998-12-28 | 2003-07-29 | Hitachi Medical Corp. | Magnetic resonance imaging method and apparatus |
| US6801034B2 (en) * | 2001-03-30 | 2004-10-05 | General Electric Company | Method and apparatus of acquiring large FOV images without slab-boundary artifacts |
| US20030004410A1 (en) * | 2001-04-19 | 2003-01-02 | General Electric Company | Method for MR imaging with an array of RF coils |
| DE10128534A1 (de) * | 2001-06-13 | 2003-01-02 | Siemens Ag | Verfahren zur Bilderzeugung mittels magnetischer Resonanz mit mehreren Empfangsantennen |
| US20050017718A1 (en) * | 2001-12-17 | 2005-01-27 | Zwanenburg Jacobus Jan Marinus | Magnetic resonance method |
| WO2006117922A1 (ja) * | 2005-04-28 | 2006-11-09 | Hitachi Medical Corporation | 磁気共鳴撮影装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080180099A1 (en) | 2008-07-31 |
| DE102007004620A1 (de) | 2008-08-07 |
| US7528601B2 (en) | 2009-05-05 |
| JP2008183406A (ja) | 2008-08-14 |
| CN101236240B (zh) | 2013-09-11 |
| CN101236240A (zh) | 2008-08-06 |
| JP5305673B2 (ja) | 2013-10-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8364 | No opposition during term of opposition | ||
| R081 | Change of applicant/patentee |
Owner name: SIEMENS HEALTHCARE GMBH, DE Free format text: FORMER OWNER: SIEMENS AKTIENGESELLSCHAFT, 80333 MUENCHEN, DE |
|
| R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |