DE102013206026B3 - Optimierte Gradientenecho-Multiecho-Messsequenz - Google Patents
Optimierte Gradientenecho-Multiecho-Messsequenz Download PDFInfo
- Publication number
- DE102013206026B3 DE102013206026B3 DE201310206026 DE102013206026A DE102013206026B3 DE 102013206026 B3 DE102013206026 B3 DE 102013206026B3 DE 201310206026 DE201310206026 DE 201310206026 DE 102013206026 A DE102013206026 A DE 102013206026A DE 102013206026 B3 DE102013206026 B3 DE 102013206026B3
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- gradient pulse
- amplitude
- readout
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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
- G01R33/50—NMR imaging systems based on the determination of relaxation times, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo sequences
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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
- G01R33/5615—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]
- G01R33/5616—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 gradient refocusing, e.g. EPI
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- 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)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201310206026 DE102013206026B3 (de) | 2013-04-05 | 2013-04-05 | Optimierte Gradientenecho-Multiecho-Messsequenz |
| CN201410128849.7A CN104101852B (zh) | 2013-04-05 | 2014-04-01 | 用于执行多回波测量序列的方法和磁共振设备 |
| JP2014077759A JP6278803B2 (ja) | 2013-04-05 | 2014-04-04 | マルチエコー測定シーケンスの実行方法および磁気共鳴装置 |
| KR1020140040651A KR101625735B1 (ko) | 2013-04-05 | 2014-04-04 | 멀티 에코 측정 시퀀스를 구현하는 방법 및 자기 공명 시스템 |
| US14/245,294 US9581667B2 (en) | 2013-04-05 | 2014-04-04 | Method and magnetic resonance system to implement a multi-echo measurement sequence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201310206026 DE102013206026B3 (de) | 2013-04-05 | 2013-04-05 | Optimierte Gradientenecho-Multiecho-Messsequenz |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102013206026B3 true DE102013206026B3 (de) | 2014-08-28 |
Family
ID=51349736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE201310206026 Active DE102013206026B3 (de) | 2013-04-05 | 2013-04-05 | Optimierte Gradientenecho-Multiecho-Messsequenz |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9581667B2 (https=) |
| JP (1) | JP6278803B2 (https=) |
| KR (1) | KR101625735B1 (https=) |
| CN (1) | CN104101852B (https=) |
| DE (1) | DE102013206026B3 (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014203890B4 (de) * | 2014-03-04 | 2016-03-24 | MRB Forschungszentrum für Magnet - Resonanz - Bayern e.V. | Leise echoplanare Bildgebung mit segmentiertem k-Raum |
| CN105334321B (zh) * | 2014-07-31 | 2017-07-18 | 西门子(深圳)磁共振有限公司 | 磁共振成像方法和系统 |
| KR101844514B1 (ko) * | 2016-09-02 | 2018-04-02 | 삼성전자주식회사 | 자기 공명 영상 장치 및 자기 공명 영상 획득 방법 |
| EP4194877A4 (en) | 2020-08-06 | 2023-09-27 | Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences | METHOD AND DEVICE FOR GENERATING IMAGE USING MAGNETIC RESONANCE AND COMPUTER STORAGE MEDIUM |
| CN112014782B (zh) * | 2020-08-06 | 2023-07-28 | 深圳先进技术研究院 | 磁共振成像方法、装置及计算机存储介质 |
| CN112965018B (zh) * | 2021-03-16 | 2022-04-01 | 厦门大学 | 基于时空编码螺旋磁共振成像的多回波采样及重建方法 |
| CN114325531B (zh) * | 2021-12-31 | 2024-06-25 | 深圳市联影高端医疗装备创新研究院 | 磁共振系统延迟的校正方法、装置、计算机设备和介质 |
| DE102023202188A1 (de) * | 2023-03-10 | 2024-09-12 | Siemens Healthineers Ag | Verringerung von Wirbelstromeinflüssen bei MRT-Bildgebung |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120013336A1 (en) * | 2009-03-31 | 2012-01-19 | Max-Planck-Gesellschaft Zur Foerderung Der Wissenschaften E.V. | Magnetic resonance imaging with improved imaging contrast |
| DE102011005649A1 (de) * | 2011-03-16 | 2012-09-20 | Siemens Aktiengesellschaft | Pulssequenz, Verfahren zur Bestimmung des tatsächlichen Kippwinkels, Verfahren zur Justierung der Transmitterspannung, Magnetresonanzgerät, Computerprogrammprodukt und elektronisch lesbarer Datenträger |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19520203C1 (de) * | 1995-06-01 | 1996-11-21 | Siemens Ag | Verfahren zur Vermeidung von Bildabschattungen bei Kernspintomographiegeräten, die mit Multiechosequenzen betrieben werden |
| JP3525007B2 (ja) * | 1996-03-28 | 2004-05-10 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
| US5917323A (en) * | 1997-07-01 | 1999-06-29 | General Electric Company | Correction of axial image signal fall off caused by Maxwell terms |
| US6157192A (en) * | 1998-04-14 | 2000-12-05 | Wisconsin Alumni Research Foundation | Recovery of signal void arising from field inhomogeneities in echo planar imaging |
| JP3964110B2 (ja) | 2000-08-11 | 2007-08-22 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
| DE10063676B4 (de) | 2000-12-20 | 2006-08-17 | Siemens Ag | Multiecho-Bildgebungsverfahren |
| US7999543B2 (en) * | 2005-03-23 | 2011-08-16 | Koninklijke Philips Electronics N.V. | MR method for spatially-resolved determination of relaxation parameters |
| DE102005046732B4 (de) | 2005-04-18 | 2010-04-15 | Siemens Ag | Verbessertes Rekonstruktionsverfahren bei der Propellerbildgebung in der Magnetresonanztomographie |
| JP4991689B2 (ja) | 2006-02-13 | 2012-08-01 | 株式会社日立メディコ | 磁気共鳴撮影装置および方法 |
| DE102006058316B4 (de) * | 2006-12-11 | 2010-10-14 | Siemens Ag | Verfahren zur Aufnahme von Bilddaten einer Gefäßwand und Magnet-Resonanz-Gerät hierzu |
| US7535222B2 (en) | 2007-01-02 | 2009-05-19 | The Board Of Trustees Of The Leland Stanford Junior University | MRI data acquisition using propeller k-space data acquisition |
| CN101470180B (zh) | 2007-12-29 | 2016-01-20 | 西门子(中国)有限公司 | 磁共振成像中失真校准的方法和装置 |
-
2013
- 2013-04-05 DE DE201310206026 patent/DE102013206026B3/de active Active
-
2014
- 2014-04-01 CN CN201410128849.7A patent/CN104101852B/zh active Active
- 2014-04-04 US US14/245,294 patent/US9581667B2/en active Active
- 2014-04-04 JP JP2014077759A patent/JP6278803B2/ja active Active
- 2014-04-04 KR KR1020140040651A patent/KR101625735B1/ko not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120013336A1 (en) * | 2009-03-31 | 2012-01-19 | Max-Planck-Gesellschaft Zur Foerderung Der Wissenschaften E.V. | Magnetic resonance imaging with improved imaging contrast |
| DE102011005649A1 (de) * | 2011-03-16 | 2012-09-20 | Siemens Aktiengesellschaft | Pulssequenz, Verfahren zur Bestimmung des tatsächlichen Kippwinkels, Verfahren zur Justierung der Transmitterspannung, Magnetresonanzgerät, Computerprogrammprodukt und elektronisch lesbarer Datenträger |
Non-Patent Citations (1)
| Title |
|---|
| N.-K. Chen, A.M. Wyrwicz: Correction for EPI distortions using multi-echo gradient-echo imaging. In: Magn. Reson. Med., 41, 1999, S. 1206-1213. * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20140300356A1 (en) | 2014-10-09 |
| JP2014200687A (ja) | 2014-10-27 |
| KR101625735B1 (ko) | 2016-05-30 |
| CN104101852B (zh) | 2017-01-18 |
| CN104101852A (zh) | 2014-10-15 |
| KR20140121363A (ko) | 2014-10-15 |
| JP6278803B2 (ja) | 2018-02-14 |
| US9581667B2 (en) | 2017-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R012 | Request for examination validly filed | ||
| R016 | Response to examination communication | ||
| R018 | Grant decision by examination section/examining division | ||
| R020 | Patent grant now final | ||
| R081 | Change of applicant/patentee |
Owner name: SIEMENS HEALTHCARE GMBH, DE Free format text: FORMER OWNER: SIEMENS AKTIENGESELLSCHAFT, 80333 MUENCHEN, DE |
|
| R081 | Change of applicant/patentee |
Owner name: SIEMENS HEALTHINEERS AG, DE Free format text: FORMER OWNER: SIEMENS HEALTHCARE GMBH, MUENCHEN, DE |