CN103969611B - 用于运行磁共振系统的方法和控制装置 - Google Patents
用于运行磁共振系统的方法和控制装置 Download PDFInfo
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- CN103969611B CN103969611B CN201410035612.4A CN201410035612A CN103969611B CN 103969611 B CN103969611 B CN 103969611B CN 201410035612 A CN201410035612 A CN 201410035612A CN 103969611 B CN103969611 B CN 103969611B
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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
- G01R33/565—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
-
- 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
- G01R33/561—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
- G01R33/5615—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]
- 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
-
- 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
- G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
- G01R33/4824—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a non-Cartesian trajectory
-
- 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
- G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
- G01R33/56341—Diffusion imaging
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (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)
- Spectroscopy & Molecular Physics (AREA)
- Optics & Photonics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013201616.6A DE102013201616B3 (de) | 2013-01-31 | 2013-01-31 | TSE-basierte, gegen lokale B0-Feldvariationen unempfindliche MR-Mulitschicht-Anregung |
| DE102013201616.6 | 2013-01-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103969611A CN103969611A (zh) | 2014-08-06 |
| CN103969611B true CN103969611B (zh) | 2018-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410035612.4A Active CN103969611B (zh) | 2013-01-31 | 2014-01-24 | 用于运行磁共振系统的方法和控制装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9581670B2 (enExample) |
| JP (1) | JP6188597B2 (enExample) |
| KR (1) | KR101630507B1 (enExample) |
| CN (1) | CN103969611B (enExample) |
| DE (1) | DE102013201616B3 (enExample) |
Families Citing this family (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012204434B3 (de) * | 2012-03-20 | 2013-07-11 | Siemens Aktiengesellschaft | Mehrschicht-MRI-Anregung mit simultaner Refokussierung aller angeregten Schichten |
| DE102013205528B3 (de) * | 2013-03-27 | 2014-08-28 | Universitätsklinikum Freiburg | Verfahren der Magnetresonanz mit Anregung durch einen prewinding pulse |
| US10132889B2 (en) * | 2013-05-22 | 2018-11-20 | General Electric Company | System and method for reducing acoustic noise level in MR imaging |
| CN105556327B (zh) * | 2013-09-16 | 2019-11-05 | 皇家飞利浦有限公司 | 使用具有折叠伪影减少的经修改的dixon序列的mri |
| DE102013220301B4 (de) * | 2013-10-08 | 2015-07-16 | Siemens Aktiengesellschaft | Ermittlung einer Ansteuersequenz für ein Magnetresonanzbildgebungssystem unter Verwendung eines Ausführbarkeitskriteriums |
| JP2017506976A (ja) * | 2014-03-05 | 2017-03-16 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | 動き補正、水−脂肪分離、及び磁場不均一性情報の推定を用いるｍｒｉプロペラ |
| US10578696B2 (en) * | 2014-04-02 | 2020-03-03 | New York University | System, method and computer-accessible medium for spectroscopic localization using simultaneous acquisition of double spin and stimulated echoes |
| DE102014206917B3 (de) * | 2014-04-10 | 2015-09-03 | Siemens Aktiengesellschaft | Reduzierung von Artefakten in MR-Bildern aufgrund von Suszeptibilitätssprüngen durch Ersetzen von Rohdaten aus Messungen mit einer zusätzlichen Dephasierung der Spins |
| DE102014112242A1 (de) * | 2014-08-26 | 2016-03-03 | Carl Zeiss Ag | Phasenkontrast-Bildgebung |
| DE102014219780B4 (de) * | 2014-09-30 | 2016-09-01 | Siemens Healthcare Gmbh | Bestimmung von Zeitfenstern in einer Messsequenz |
| DE102014220776B4 (de) * | 2014-10-14 | 2016-06-30 | Siemens Healthcare Gmbh | Verfahren zur Magnetresonanz-Bildgebung |
| CA3115673A1 (en) * | 2014-11-11 | 2016-05-19 | Hyperfine Research, Inc. | Pulse sequences for low field magnetic resonance |
| RU2702911C2 (ru) * | 2014-12-12 | 2019-10-14 | Конинклейке Филипс Н.В. | Тихая mr-визуализация |
| RU2702843C2 (ru) | 2014-12-15 | 2019-10-11 | Конинклейке Филипс Н.В. | Спин-эхо мр-визуализация |
| DE102015205693A1 (de) | 2015-03-30 | 2016-10-06 | Siemens Healthcare Gmbh | Geschwindigkeitskompensierte diffusionssensibilisierte Diffusionsbildgebung |
| 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 |
| US10261153B2 (en) * | 2015-10-15 | 2019-04-16 | Siemens Healthcare Gmbh | Magnetic resonance apparatus and method for simultaneous multi-contrast acquisition with simultaneous multislice imaging |
| DE102015221888B4 (de) * | 2015-11-06 | 2017-10-19 | Siemens Healthcare Gmbh | Gleichzeitige MRT-Mehrschichtmessung |
| DE102016202240A1 (de) * | 2016-02-15 | 2017-08-17 | Siemens Healthcare Gmbh | Magnetresonanz-bildgebung |
| KR101802336B1 (ko) | 2016-02-19 | 2017-11-28 | 삼성전자주식회사 | 다중 여기 rf 펄스를 이용한 자기공명영상 획득 방법 및 이를 위한 자기공명영상 장치 |
| DE102016207264A1 (de) * | 2016-04-28 | 2017-11-02 | Siemens Healthcare Gmbh | Einhalten von Grenzwerten beim Erfassen von Daten mittels einer Magnetresonanzanlage |
| EP4446765A3 (en) * | 2016-06-02 | 2025-01-15 | Koninklijke Philips N.V. | Dixon-type water-fat separation mr imaging |
| US10175317B2 (en) * | 2016-06-10 | 2019-01-08 | Toshiba Medical Systems Corporation | Quiet MRI using alternating gradient sequence |
| DE102016212632A1 (de) * | 2016-07-12 | 2018-01-18 | Siemens Healthcare Gmbh | Reduzierung von Artefakten in der Magnetresonanztechnik |
| US10310040B2 (en) * | 2016-07-28 | 2019-06-04 | Siemens Healthcare Gmbh | Method and magnetic resonance apparatus for simultaneous multi-contrast turbo spin echo imaging |
| DE102016216163B4 (de) * | 2016-08-29 | 2019-11-14 | Siemens Healthcare Gmbh | Verfahren zur Korrektur einer Signalphase bei der Aufnahme von Magnetresonanzsignalen, Magnetresonanzeinrichtung, Computerprogramm und Datenträger |
| CN108020796B (zh) * | 2016-10-31 | 2021-10-29 | 西门子(深圳)磁共振有限公司 | 一种磁共振扩散加权成像方法和装置 |
| JP7020930B2 (ja) * | 2018-01-24 | 2022-02-16 | 富士フイルムヘルスケア株式会社 | 磁気共鳴イメージング装置、磁気共鳴イメージングシステム及びパラメータ推定方法 |
| US10585154B1 (en) * | 2018-01-29 | 2020-03-10 | Quantum Valley Investment Fund LP | Nuclear magnetic resonance diffraction |
| DE102018212481B4 (de) | 2018-07-26 | 2021-01-21 | Siemens Healthcare Gmbh | Linear phasenkorrigiertes lokales Mitteln von MR-Bilddaten |
| TW202012951A (zh) | 2018-07-31 | 2020-04-01 | 美商超精細研究股份有限公司 | 低場漫射加權成像 |
| EP3736593A1 (en) * | 2019-05-09 | 2020-11-11 | Koninklijke Philips N.V. | Dual echo steady state mr imaging using bipolar diffusion gradients |
| DE102019207558A1 (de) * | 2019-05-23 | 2020-11-26 | Siemens Healthcare Gmbh | Verfahren zur Aufnahme von Magnetresonanzdaten, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger |
| US11826134B2 (en) * | 2019-06-13 | 2023-11-28 | University Of Southern California | Method for measuring water exchange across the blood-brain barrier using MRI |
| EP3798656B1 (de) * | 2019-09-30 | 2022-05-25 | Siemens Healthcare GmbH | Beschleunigte erfassung von messdaten mittels magnetresonanz |
| WO2021108216A1 (en) | 2019-11-27 | 2021-06-03 | Hyperfine Research, Inc. | Techniques for noise suppression in an environment of a magnetic resonance imaging system |
| CN113391251B (zh) * | 2020-03-12 | 2023-05-26 | 上海联影医疗科技股份有限公司 | 磁共振图像重建方法、装置和设备 |
| CN113534032B (zh) * | 2020-04-14 | 2023-01-31 | 上海联影医疗科技股份有限公司 | 磁共振成像方法和系统 |
| EP3901648A1 (en) * | 2020-04-24 | 2021-10-27 | Siemens Healthcare GmbH | Method and device for controlling a magnetic resonance imaging system |
| CN115267627B (zh) * | 2022-06-22 | 2023-04-28 | 浙江大学 | 一种基于跳回波编码的磁共振磁场测量方法及装置 |
| US12339336B2 (en) * | 2023-07-28 | 2025-06-24 | GE Precision Healthcare LLC | System and method to reduce specific absorption rate in magnetic resonance imaging |
| CN118129848B (zh) * | 2024-05-08 | 2024-07-19 | 青岛鼎信通讯科技有限公司 | 一种适用于超声水表的激励信号调整方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5212447A (en) * | 1990-12-03 | 1993-05-18 | Numar Corporation | Apparatus and technique for nmr diffusion measurement |
| US5237273A (en) * | 1991-05-22 | 1993-08-17 | General Electric Company | Interleaved acquisition of multi-slice NMR data |
| JP3586047B2 (ja) * | 1995-09-13 | 2004-11-10 | 株式会社東芝 | 磁気共鳴診断装置 |
| JP4076655B2 (ja) * | 1998-07-23 | 2008-04-16 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
| US6853188B2 (en) * | 1999-12-31 | 2005-02-08 | Advanced Mri Technologies, Llc | Method and apparatus for removing specific stimulated echoes in simultaneous image refocusing |
| DE10333795B4 (de) * | 2003-07-24 | 2008-01-31 | Siemens Ag | Verfahren und Vorrichtung zur Vermeidung von peripheren Störsignalen in Spin-Echo-Bildern bei nicht monotonem Magnetfeldverlauf in der Magnetresonanz-Tomographie-Bildgebung |
| DE10338075B4 (de) * | 2003-08-19 | 2008-05-15 | Siemens Ag | Verfahren zur ortsaufgelösten Messung der B1-Feldverteilung bei MR-Messungen |
| DE102004017852B4 (de) * | 2004-04-13 | 2008-11-27 | Siemens Ag | Bewegungskorrigiertes Multi-Shot-Verfahren zur diffusionsgewichteten Bildgebung in der Magnetresonanztomographie |
| DE102005046732B4 (de) | 2005-04-18 | 2010-04-15 | Siemens Ag | Verbessertes Rekonstruktionsverfahren bei der Propellerbildgebung in der Magnetresonanztomographie |
| US7538548B2 (en) * | 2006-05-25 | 2009-05-26 | Toshiba Medical Systems Corp. | Fast spin echo MRI method compatible with CPMG violation |
| EP2145199B1 (en) * | 2007-04-27 | 2018-12-12 | Koninklijke Philips N.V. | Magnetic resonance device and method for propeller mri |
| DE102008046022A1 (de) * | 2008-09-05 | 2010-03-25 | Siemens Aktiengesellschaft | Phasensensitive Flüssigkeitsunterdrückung |
| EP2239592A1 (en) * | 2009-04-08 | 2010-10-13 | Universitätsklinikum Freiburg | Simultaneous excitation and acquisition of signal from multiple slices in the RARE sequence (multiplex RARE) |
| DE102009019895B4 (de) | 2009-05-04 | 2011-05-12 | Siemens Aktiengesellschaft | Verfahren und Magnetresonanzanlage zur diffusionsgewichteten Aufnahme von MR-Signalen |
| US8384384B2 (en) * | 2010-04-01 | 2013-02-26 | General Electric Company | System and method for split-echo split-blade data collection for propeller magnetic resonance imaging |
| JP5508165B2 (ja) * | 2010-06-29 | 2014-05-28 | 株式会社日立メディコ | 磁気共鳴イメージング装置及びｔ２マップ取得方法 |
| DE102011077197B4 (de) * | 2011-06-08 | 2013-05-16 | Siemens Aktiengesellschaft | Verzeichnungskorrektur bei einer Magnetresonanz-Bildgebung |
| DE102012204434B3 (de) | 2012-03-20 | 2013-07-11 | Siemens Aktiengesellschaft | Mehrschicht-MRI-Anregung mit simultaner Refokussierung aller angeregten Schichten |
-
2013
- 2013-01-31 DE DE102013201616.6A patent/DE102013201616B3/de active Active
-
2014
- 2014-01-24 CN CN201410035612.4A patent/CN103969611B/zh active Active
- 2014-01-29 KR KR1020140011813A patent/KR101630507B1/ko not_active Expired - Fee Related
- 2014-01-30 JP JP2014015140A patent/JP6188597B2/ja active Active
- 2014-01-31 US US14/169,691 patent/US9581670B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20140210471A1 (en) | 2014-07-31 |
| CN103969611A (zh) | 2014-08-06 |
| KR20140098712A (ko) | 2014-08-08 |
| KR101630507B1 (ko) | 2016-06-14 |
| DE102013201616B3 (de) | 2014-07-17 |
| JP2014147756A (ja) | 2014-08-21 |
| US9581670B2 (en) | 2017-02-28 |
| JP6188597B2 (ja) | 2017-08-30 |
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