CN1851494B - 改进发送侧加速的体积选择磁共振成像的方法和设备 - Google Patents
改进发送侧加速的体积选择磁共振成像的方法和设备 Download PDFInfo
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- CN1851494B CN1851494B CN2006100777453A CN200610077745A CN1851494B CN 1851494 B CN1851494 B CN 1851494B CN 2006100777453 A CN2006100777453 A CN 2006100777453A CN 200610077745 A CN200610077745 A CN 200610077745A CN 1851494 B CN1851494 B CN 1851494B
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- 238000000034 method Methods 0.000 title claims abstract description 58
- 238000002595 magnetic resonance imaging Methods 0.000 title description 2
- 230000005284 excitation Effects 0.000 claims abstract description 90
- 230000005540 biological transmission Effects 0.000 claims abstract description 50
- 230000004044 response Effects 0.000 claims abstract description 11
- 238000004364 calculation method Methods 0.000 claims abstract description 4
- 230000035945 sensitivity Effects 0.000 claims description 28
- 238000005259 measurement Methods 0.000 claims description 24
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Images
Classifications
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- 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
- G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
- G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
-
- 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
- G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
- G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
- G01R33/5612—Parallel RF transmission, i.e. RF pulse transmission using a plurality of independent transmission channels
-
- 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
- G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material
- G01R33/583—Calibration of signal excitation or detection systems, e.g. for optimal RF excitation power or frequency
Landscapes
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General 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)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005018937.7 | 2005-04-22 | ||
| DE102005018937A DE102005018937B4 (de) | 2005-04-22 | 2005-04-22 | Verfahren und Gerät zur verbesserten sendeseitig beschleunigten PPA-basierten Volumen-selektiven Magnet-Resonanz-Bildgebung sowie Computersoftwareprodukt zur Implementierung des Verfahrens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1851494A CN1851494A (zh) | 2006-10-25 |
| CN1851494B true CN1851494B (zh) | 2012-01-11 |
Family
ID=37067946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100777453A Expired - Fee Related CN1851494B (zh) | 2005-04-22 | 2006-04-24 | 改进发送侧加速的体积选择磁共振成像的方法和设备 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7558614B2 (enExample) |
| JP (1) | JP5027438B2 (enExample) |
| CN (1) | CN1851494B (enExample) |
| DE (1) | DE102005018937B4 (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005018814B4 (de) * | 2005-04-22 | 2007-06-06 | Siemens Ag | Verfahren zur MRT-Bildgebung auf Basis konventioneller PPA-Rekonstruktionsverfahren sowie korrespondierendes Gerät und Computersoftwareprodukt |
| KR100726739B1 (ko) * | 2006-01-16 | 2007-06-11 | 한국과학기술원 | 방사형 케이-공간 경로법을 이용한 병렬 자기 공명 영상획득 방법, 그 장치 및 이를 실행하기 위한 컴퓨터로 읽을수 있는 기록매체. |
| US7439739B2 (en) * | 2006-07-11 | 2008-10-21 | The Board Of Trustees Of The Leland Stanford Junior University | Anti-aliased magnetic resonance image reconstruction using partially parallel encoded data |
| US7902823B2 (en) * | 2007-05-02 | 2011-03-08 | Griswold Mark A | Dynamic parallel magnetic resonance imaging(DpMRI) with sparse data |
| WO2009074965A1 (en) * | 2007-12-12 | 2009-06-18 | Koninklijke Philips Electronics N.V. | Transmit/receive coil for ultra-high field mri |
| CA2717183C (en) | 2008-03-20 | 2016-05-17 | Imi Intelligent Medical Implants Ag | Power supply for a retina implant |
| US7977943B2 (en) * | 2008-04-10 | 2011-07-12 | General Electric Company | Method and system for reconstructing images |
| DE102008029175B4 (de) * | 2008-06-19 | 2010-09-30 | Siemens Aktiengesellschaft | Verfahren zur Ermittlung einer Pulssequenz zur Ansteuerung einer Hochfrequenz-Sendespule |
| DE102009016341B4 (de) * | 2009-04-06 | 2011-02-10 | Siemens Aktiengesellschaft | Verfahren zur Bestimmung von k-Raumpositionen für eine Modellierung von HF-Pulsen für Magnetresonanzanregungen sowie Magnetresonanzgerät und Computerprogramm zur Durchführung des Verfahrens |
| DE102010011968A1 (de) | 2010-03-03 | 2011-09-08 | Universität Duisburg-Essen | Verfahren zur Erzeugung eines Bilds mit einem Magnetresonanztomographen |
| DE102011080793B4 (de) | 2011-08-11 | 2013-05-29 | Siemens Aktiengesellschaft | MR-Verfahren mit flexibler Anpassung von Aufnahme- und Auswertungsparametern für Teilbereiche eines Zielvolumens |
| DE102011081508B3 (de) | 2011-08-24 | 2013-02-28 | Siemens Aktiengesellschaft | Flusssensitive, frequenzunabhängige Anregung von Magnetresonanzsignalen |
| DE102012212983B3 (de) * | 2012-07-24 | 2014-01-23 | Siemens Aktiengesellschaft | Vermeidung von Einfaltungsartefakten bei der Aufnahme von Magnetresonanzdaten |
| DE102013214867B4 (de) * | 2013-07-30 | 2015-02-12 | Siemens Aktiengesellschaft | Ermittlung einer Magnetresonanz-Ansteuersequenz mit konzentrischen, kreisförmigen Sendetrajektorien |
| DE102013219747B4 (de) | 2013-09-30 | 2019-06-27 | Siemens Healthcare Gmbh | Bestimmung von Anregungsprofilen von Anregungspulsen in der Magnetresonanztechnik |
| EP3707523A4 (en) | 2017-11-12 | 2021-08-25 | Synex Medical Inc. | PORTABLE BLOOD ANALYTE MEASUREMENT DEVICE AND METHOD FOR MEASURING BLOOD ANALYTE CONCENTRATION |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5587656A (en) * | 1994-04-08 | 1996-12-24 | U.S. Philips Corporation | Magnetic resonance imaging method and apparatus |
| CN1263601A (zh) * | 1998-04-17 | 2000-08-16 | 皇家菲利浦电子有限公司 | 磁共振成象方法和装置 |
| US20030069495A1 (en) * | 2001-09-11 | 2003-04-10 | Siemens Aktiengesellschaft | Apparatus and method for magnetic resonance imaging employing partially parallel acquisition |
| US6650925B2 (en) * | 2001-02-14 | 2003-11-18 | Siemens Aktiengesellschaft | Method for image generation by magnetic resonance |
| US6710686B2 (en) * | 2001-04-20 | 2004-03-23 | Siemens Aktiengesellschaft | Method for the fast acquisition of a magnetic resonance image |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6680610B1 (en) * | 1999-05-24 | 2004-01-20 | Walid E. Kyriakos | Apparatus and method for parallel MR data acquisition and parallel image reconstruction from multiple receiver coil arrays for fast MRI |
| US6949928B2 (en) * | 2001-01-19 | 2005-09-27 | Kabushiki Kaisha Toshiba | Parallel MR imaging using high-precision coil sensitivity map |
| GB2380549A (en) * | 2001-04-20 | 2003-04-09 | Marconi Medical Systems Uk Ltd | Magnetic Resonance Imaging |
| DE10128534C2 (de) * | 2001-06-13 | 2003-04-30 | Siemens Ag | Verfahren zur Bilderzeugung mittels magnetischer Resonanz mit mehreren Empfangsantennen |
| DE10201063B4 (de) * | 2002-01-14 | 2005-06-02 | Siemens Ag | Gerät und Verfahren, sowie Computersoftware-Produkt zur PPA-Magnetresonanzbildgebung |
| DE10318682B4 (de) * | 2003-04-24 | 2011-12-29 | Peter M. Jakob | Beschleunigte Magnet-Resonanz-Bildgebung im Rahmen der parallelen Akquisition von MRT-Daten |
| DE10353342B4 (de) * | 2003-11-14 | 2008-07-17 | Siemens Ag | Verbesserte MRT-Bildgebung auf Basis konventioneller PPA-Rekonstruktionsverfahren |
| US7102348B2 (en) * | 2004-08-05 | 2006-09-05 | Siemens Aktiengesellschaft | MRI method and apparatus for faster data acquisition or better motion artifact reduction |
| DE102005018814B4 (de) * | 2005-04-22 | 2007-06-06 | Siemens Ag | Verfahren zur MRT-Bildgebung auf Basis konventioneller PPA-Rekonstruktionsverfahren sowie korrespondierendes Gerät und Computersoftwareprodukt |
| DE102005018939B4 (de) * | 2005-04-22 | 2007-09-20 | Siemens Ag | Verbesserte MRT-Bildgebung auf Basis konventioneller PPA-Rekonstruktionsverfahren |
| US7429862B2 (en) * | 2006-04-18 | 2008-09-30 | Siemens Aktiengesellschaft | PPA MRT method and apparatus with scaled contribution of k-space data to the reconstructed image |
| DE102007004620B4 (de) * | 2007-01-30 | 2010-02-04 | Siemens Ag | Verbessertes dreidimensionales schichtselektives Mehrschicht-Anregungsverfahren in der MRT-Bildgebung |
-
2005
- 2005-04-22 DE DE102005018937A patent/DE102005018937B4/de not_active Expired - Fee Related
-
2006
- 2006-04-21 JP JP2006117812A patent/JP5027438B2/ja not_active Expired - Fee Related
- 2006-04-21 US US11/408,552 patent/US7558614B2/en not_active Expired - Fee Related
- 2006-04-24 CN CN2006100777453A patent/CN1851494B/zh not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5587656A (en) * | 1994-04-08 | 1996-12-24 | U.S. Philips Corporation | Magnetic resonance imaging method and apparatus |
| CN1263601A (zh) * | 1998-04-17 | 2000-08-16 | 皇家菲利浦电子有限公司 | 磁共振成象方法和装置 |
| US6650925B2 (en) * | 2001-02-14 | 2003-11-18 | Siemens Aktiengesellschaft | Method for image generation by magnetic resonance |
| US6710686B2 (en) * | 2001-04-20 | 2004-03-23 | Siemens Aktiengesellschaft | Method for the fast acquisition of a magnetic resonance image |
| US20030069495A1 (en) * | 2001-09-11 | 2003-04-10 | Siemens Aktiengesellschaft | Apparatus and method for magnetic resonance imaging employing partially parallel acquisition |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102005018937A1 (de) | 2006-10-26 |
| US20070013374A1 (en) | 2007-01-18 |
| CN1851494A (zh) | 2006-10-25 |
| DE102005018937B4 (de) | 2007-11-22 |
| JP5027438B2 (ja) | 2012-09-19 |
| US7558614B2 (en) | 2009-07-07 |
| JP2006297110A (ja) | 2006-11-02 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20120111 Termination date: 20190424 |