DE112019001281T5 - Mr-bildgebung mit spiralerfassung - Google Patents

Mr-bildgebung mit spiralerfassung Download PDF

Info

Publication number
DE112019001281T5
DE112019001281T5 DE112019001281.9T DE112019001281T DE112019001281T5 DE 112019001281 T5 DE112019001281 T5 DE 112019001281T5 DE 112019001281 T DE112019001281 T DE 112019001281T DE 112019001281 T5 DE112019001281 T5 DE 112019001281T5
Authority
DE
Germany
Prior art keywords
space
spiral
signals
trajectories
magnetic field
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.)
Pending
Application number
DE112019001281.9T
Other languages
German (de)
English (en)
Inventor
Miha Fuderer
Silke Hey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of DE112019001281T5 publication Critical patent/DE112019001281T5/de
Pending legal-status Critical Current

Links

Images

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
    • G01R33/4818—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
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/243—Spatial mapping of the polarizing magnetic field
    • 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
    • G01R33/4826—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 in three dimensions
    • 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
    • G01R33/4828—Resolving the MR signals of different chemical species, e.g. water-fat imaging
    • 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
    • G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0

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)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE112019001281.9T 2018-03-13 2019-03-05 Mr-bildgebung mit spiralerfassung Pending DE112019001281T5 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18161385.2 2018-03-13
EP18161385.2A EP3540453A1 (en) 2018-03-13 2018-03-13 Mr imaging with spiral acquisition
PCT/EP2019/055371 WO2019174964A1 (en) 2018-03-13 2019-03-05 Mr imaging with spiral acquisition

Publications (1)

Publication Number Publication Date
DE112019001281T5 true DE112019001281T5 (de) 2020-12-10

Family

ID=61628163

Family Applications (1)

Application Number Title Priority Date Filing Date
DE112019001281.9T Pending DE112019001281T5 (de) 2018-03-13 2019-03-05 Mr-bildgebung mit spiralerfassung

Country Status (7)

Country Link
US (1) US11959986B2 (https=)
EP (1) EP3540453A1 (https=)
JP (1) JP7209007B2 (https=)
CN (1) CN111868543B (https=)
DE (1) DE112019001281T5 (https=)
GB (1) GB2587107B (https=)
WO (1) WO2019174964A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3995847A1 (en) * 2020-11-10 2022-05-11 Koninklijke Philips N.V. Mr imaging with spiral acquisition
CN113317770B (zh) * 2021-06-09 2023-11-24 北京汉世医疗科技有限公司 一种双对比度的灌注磁共振成像方法及系统
CN114098698A (zh) * 2021-10-12 2022-03-01 国家纳米科学中心 筋膜成像方法、电子设备、存储介质以及程序产品

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270653A (en) * 1992-04-10 1993-12-14 The Board Of Trustees Of The Leland Stanford Junior University Selective three dimensional excitation for magnetic resonance applications
US5652516A (en) * 1996-01-22 1997-07-29 The Board Of Trustees Of The Leland Stanford Junior University Spectroscopic magnetic resonance imaging using spiral trajectories
US6281681B1 (en) * 1999-01-28 2001-08-28 General Electric Company Magnetic resonance imaging with interleaved Fibonacci spiral scanning
US6215306B1 (en) 1999-05-14 2001-04-10 Board Of Trustees Of The Leland Stanford Junior University Magnetic resonance imaging using off-centered spiral trajectories
WO2003100378A2 (en) 2002-05-17 2003-12-04 Case Western Reserve University Chemical species suppression using re-traversal around the k-space center in interleaved reversed spiral imaging
ATE409316T1 (de) * 2004-02-10 2008-10-15 Koninkl Philips Electronics Nv Magnetresonanzabbildungsverfahren
US7847546B2 (en) * 2005-07-27 2010-12-07 Hitachi Medical Corporation Magnetic resonance imaging apparatus
US8120358B2 (en) 2006-04-13 2012-02-21 The Regents Of The University Of California Magnetic resonance imaging with high spatial and temporal resolution
US8386013B2 (en) 2006-04-13 2013-02-26 The Regents Of The University Of California Magnetic resonance imaging (MRI) using ultra short echo times and spiral sampling in K-space
US20100145185A1 (en) * 2008-12-04 2010-06-10 Xiaole Hong Extending the resolution of mri data by combining subsets from plural image acquisitions
JP5637694B2 (ja) * 2010-01-29 2014-12-10 株式会社日立メディコ 磁気共鳴イメージング装置及び非直交座標系走査法
JP5717839B2 (ja) * 2010-03-23 2015-05-13 マックス プランク ゲゼルシャフト ツゥアー フェデルゥン デル ヴィッセンシャフテン エー フォー 正規化非線形逆再構成法を用いて磁気共鳴画像シーケンスを再構成するための方法及び装置
US8373415B2 (en) * 2010-04-15 2013-02-12 Wisconsin Alumni Research Foundation Method for separating magnetic resonance imaging signals using spectral distinction of species
DE102011077197B4 (de) * 2011-06-08 2013-05-16 Siemens Aktiengesellschaft Verzeichnungskorrektur bei einer Magnetresonanz-Bildgebung
DE102012212402B3 (de) * 2012-03-20 2013-10-17 Siemens Aktiengesellschaft Ermittlung einer MR-Sequenz unter Berücksichtigung der Energieverteilungsfunktion im k-Raum
WO2014045936A1 (ja) * 2012-09-20 2014-03-27 株式会社 日立メディコ 磁気共鳴イメージング装置および磁気共鳴イメージング方法
KR101447547B1 (ko) * 2012-11-23 2014-10-06 삼성전자주식회사 자기 공명 영상 촬상 방법 및 장치
US10261157B2 (en) * 2013-02-18 2019-04-16 The Board Of Trustees Of The University Of Illinois Method and system for multi-shot spiral magnetic resonance elastography pulse sequence
DE102013205208B4 (de) * 2013-03-25 2015-02-12 Siemens Aktiengesellschaft Multiecho-Magnetresonanz-Messsequenz mit erhöhter Auflösung
WO2014185323A1 (ja) * 2013-05-17 2014-11-20 株式会社 日立メディコ 磁気共鳴イメージング装置および磁気共鳴イメージング方法
WO2015033779A1 (ja) * 2013-09-03 2015-03-12 株式会社 日立メディコ 磁気共鳴イメージング装置および磁気共鳴イメージング方法
EP3080633A1 (en) 2013-12-12 2016-10-19 Koninklijke Philips N.V. Mr imaging using multi-echo segmented k-space acquisition
US10222439B2 (en) * 2014-04-24 2019-03-05 Dignity Health System and method for spiral multislab magnetic resonance imaging
EP3234624B1 (en) * 2014-12-15 2018-11-07 Koninklijke Philips N.V. Spin echo mr imaging
RU2702859C2 (ru) * 2015-01-27 2019-10-11 Конинклейке Филипс Н.В. Параллельная мультисрезовая мр-визуализация с подавлением артефактов боковой полосы частот

Also Published As

Publication number Publication date
JP2021515648A (ja) 2021-06-24
US20210011102A1 (en) 2021-01-14
CN111868543B (zh) 2024-10-15
RU2020133466A (ru) 2022-04-13
JP7209007B2 (ja) 2023-01-19
US11959986B2 (en) 2024-04-16
CN111868543A (zh) 2020-10-30
GB2587107A (en) 2021-03-17
GB202016146D0 (en) 2020-11-25
GB2587107B (en) 2022-07-13
WO2019174964A1 (en) 2019-09-19
EP3540453A1 (en) 2019-09-18

Similar Documents

Publication Publication Date Title
DE19905720B4 (de) Fast-Spinecho-Impulsfolge für eine diffusions-gewichtete Abbildung
DE102013205930B4 (de) Bestimmung einer Resonanzfrequenzabweichung bei räumlich verzerrter Schichtanregung
DE102013214867B4 (de) Ermittlung einer Magnetresonanz-Ansteuersequenz mit konzentrischen, kreisförmigen Sendetrajektorien
DE102013201670B3 (de) Verfahren zum Erfassen von MR-Daten und zur Bestimmung eines B1-Magnetfelds sowie entsprechend ausgestaltete Magnetresonanzanlage
DE102011083619B4 (de) Verfahren zur Erzeugung einer Serie von MR-Bildern zur Überwachung einer Position eines in einem Untersuchungsgebiet befindlichen Interventionsgeräts, Magnetresonanzanlage und elektronisch lesbarer Datenträger
DE102018113437A1 (de) Mr-tomografie unter verwendung einer stack-of-stars-erfassung mit variablem kontrast
DE19901726B4 (de) Verfahren zur Verringerung von Maxwell-Term-Artefakten bei schnellen Spinecho-Magnetresonanzbildern
DE112015001951T5 (de) System und Verfahren zur Magnetresonanz-Bildgebung mit reduziertem Sichtfeld
DE19750637A9 (de) Verfahren zur Messung und Kompensation von durch Wirbelströme induzierten sich örtlich und zeitlich ändernden Magnetfeldern
DE10214736A1 (de) Verfahren zur Optimierung der k-Raum-Trajektorien bei der Ortskodierung eines Magnetresonanz-Tomographiegerätes
DE102014203068B4 (de) Pseudo-zufällige Erfassung von MR-Daten eines zweidimensionalen Volumenabschnitts
DE112019000927T5 (de) Dixon-mr-bildgebung unter verwendung einer multigradienten-echo-sequenz
DE112020002706T5 (de) Optimierte k-raum-profil-ordnung für radiale 3d-mr-bildgebung
DE102013201814B4 (de) Verfahren zur Magnetresonanz-Bildgebung mit multidimensional ortsselektiven HF-Pulsen in einem Außenbereich
DE102011083871B4 (de) Anpassung der Grundfrequenz eines HF-Anregungspulses bei der nicht-selektiven Anregung von Kernspinsignalen in einem Untersuchungsobjekt
DE112019000571T5 (de) MR-Bildgebung mithilfe einer Stack-Of-Stars-Erfassung mit intrinsischer Bewegungskorrektur
DE112019005169T5 (de) Magnetresonanztomographie mit bewegungskompensierter bildrekonstruktion
DE102016207641A1 (de) Parallele Magnetresonanz-Akquisitionstechnik
DE112019001281T5 (de) Mr-bildgebung mit spiralerfassung
DE102019105770A1 (de) Parallele mr-bildgebung mit spektraler fettunterdrückung
DE102020212250B4 (de) Verfahren zur Ermittlung einer Point-Spread-Funktion (PSF) für eine Rekonstruktion von Bilddaten aus mittels einer Mag-netresonanzanlage aufgenommenen Messdaten
DE112020006296T5 (de) 3d-mr-bildgebung mit intrinsischer bewegungserkennung
DE102009003566B4 (de) Erfassung von MRI-Daten für Impulssequenzen mit mehreren Phasenkodierungsrichtungen und periodischer Signalmodulation
DE10144654B4 (de) Gerät und Verfahren zur Magnet-Resonanz-Bildgebung unter Verwendung einer verbesserten parallelen Akquisition
DE102004052894B4 (de) Optimiertes Verfahren zur Vermeidung von Einfaltungsartefakten in der Magnetresonanztomographie sowie Magnetresonanztomographiegerät und Computersoftwareprodukt

Legal Events

Date Code Title Description
R084 Declaration of willingness to licence
R012 Request for examination validly filed