DE60230662D1 - Mri-backprojection-sequenz mit mehreren gradienten-echos, speziell für diffusionsgewichtetes mri - Google Patents

Mri-backprojection-sequenz mit mehreren gradienten-echos, speziell für diffusionsgewichtetes mri

Info

Publication number
DE60230662D1
DE60230662D1 DE60230662T DE60230662T DE60230662D1 DE 60230662 D1 DE60230662 D1 DE 60230662D1 DE 60230662 T DE60230662 T DE 60230662T DE 60230662 T DE60230662 T DE 60230662T DE 60230662 D1 DE60230662 D1 DE 60230662D1
Authority
DE
Germany
Prior art keywords
mri
backprojection
specially
sequence
diffusion weighted
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.)
Expired - Fee Related
Application number
DE60230662T
Other languages
English (en)
Inventor
Jukka I Tanttu
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
Philips North America LLC
Philips Nuclear Medicine Inc
Original Assignee
Koninklijke Philips Electronics NV
Philips Medical Systems Cleveland Inc
Philips Medical Systems Inc
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 Electronics NV, Philips Medical Systems Cleveland Inc, Philips Medical Systems Inc filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE60230662D1 publication Critical patent/DE60230662D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G01R33/563—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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE60230662T 2001-11-20 2002-11-19 Mri-backprojection-sequenz mit mehreren gradienten-echos, speziell für diffusionsgewichtetes mri Expired - Fee Related DE60230662D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/988,465 US6445184B1 (en) 2001-11-20 2001-11-20 Multiple gradient echo type projection reconstruction sequence for MRI especially for diffusion weighted MRI
PCT/US2002/037000 WO2003044555A1 (en) 2001-11-20 2002-11-19 Multiple gradient echo type projection reconstruction sequence for mri and especially diffusion weighted mri

Publications (1)

Publication Number Publication Date
DE60230662D1 true DE60230662D1 (de) 2009-02-12

Family

ID=25534143

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60230662T Expired - Fee Related DE60230662D1 (de) 2001-11-20 2002-11-19 Mri-backprojection-sequenz mit mehreren gradienten-echos, speziell für diffusionsgewichtetes mri

Country Status (5)

Country Link
US (1) US6445184B1 (de)
EP (1) EP1449004B1 (de)
JP (1) JP2005509509A (de)
DE (1) DE60230662D1 (de)
WO (1) WO2003044555A1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6751495B2 (en) * 2000-03-31 2004-06-15 Brigham & Womens' Hospital Method of fast and reliable tissue differentiation using diffusion-weighted magnetic resonance imaging
EP1459087A1 (de) * 2001-12-10 2004-09-22 Koninklijke Philips Electronics N.V. Offenes magnetsystem für die bildgebende magnetische resonanz (mri)
DE10219528A1 (de) * 2002-05-02 2003-11-13 Philips Intellectual Property Schnelles Kernresonanz-Bildgebungsverfahren mit Gradienten-Echos
WO2007038206A1 (en) * 2005-09-22 2007-04-05 Wisconsin Alumni Research Foundation Highly constrained backprojection reconstruction in diffusion weighted mri
US8406849B2 (en) 2006-03-31 2013-03-26 University Of Utah Research Foundation Systems and methods for magnetic resonance imaging
EP1959397B1 (de) * 2007-02-19 2019-08-07 Wisconsin Alumni Research Foundation Iterative HYPR-Rekonstruktion von medizinischen Bildern
US8320647B2 (en) 2007-11-20 2012-11-27 Olea Medical Method and system for processing multiple series of biological images obtained from a patient
US8339138B2 (en) * 2008-10-15 2012-12-25 University Of Utah Research Foundation Dynamic composite gradient systems for MRI
US8274283B2 (en) * 2009-04-27 2012-09-25 Siemens Aktiengesellschaft Method and apparatus for diffusion tensor magnetic resonance imaging
US20140121492A1 (en) * 2011-06-28 2014-05-01 Koninklijke Philips N.V. Mri with separation of different chemical species using a spectral model
EP2610632A1 (de) 2011-12-29 2013-07-03 Koninklijke Philips Electronics N.V. Magnetresonanzbildgebung mit Wasser-Fett-Trennung nach Dixon-Verfahren und Vorwissen über die Inhomogenität des magnetischen Hauptfeldes
EP2626718A1 (de) * 2012-02-09 2013-08-14 Koninklijke Philips Electronics N.V. Magnetresonanzbildgebung mit Bewegungskorrektur unter Verwendung von Navigatoren, welche mit einem Dixon-Verfahren erhalten wurden
CN103513202B (zh) * 2012-06-16 2016-04-27 上海联影医疗科技有限公司 一种磁共振成像中的dixon水脂分离方法
KR101301490B1 (ko) 2012-06-19 2013-08-29 한국과학기술원 자기공명영상장치 및 확산강조영상획득방법
CN102928796B (zh) * 2012-09-28 2014-12-24 清华大学 快速扩散磁共振成像和重建方法
DE102012217992A1 (de) 2012-10-02 2014-04-03 Siemens Aktiengesellschaft Verfahren und Magnetresonanzanlage zur Erfassung von MR-Daten mit Diffusionsinformation
DE102012217997A1 (de) 2012-10-02 2014-04-03 Siemens Aktiengesellschaft Verfahren zur zeitabhängigen Intensitätskorrektur von diffusionsgewichteten MR-Bildern und Magnetresonanz-Anlage
US9897677B2 (en) * 2013-09-04 2018-02-20 Samsung Electronics Co., Ltd. Method for correcting errors associated with asynchronous timing offsets between transmit and receive clocks in MRI wireless radiofrequency coils
KR101560463B1 (ko) * 2013-12-30 2015-10-16 가천대학교 산학협력단 오프 공명 라디오주파수 펄스를 사용하는 자기 공명 영상 시스템에서 인공물 및 원하지 않는 신호를 제거하는 자기 공명 영상 획득 방법
EP3217872A4 (de) * 2014-11-11 2018-07-18 Hyperfine Research, Inc. Impulsfolgen für niederfeld-magnetresonanz
US10088539B2 (en) 2016-04-22 2018-10-02 General Electric Company Silent multi-gradient echo magnetic resonance imaging
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
US11202583B2 (en) * 2019-02-07 2021-12-21 Yale University Magnetic resonance gradient accessory providing tailored gradients for diffusion encoding
CN111839515B (zh) * 2019-04-26 2024-03-08 西门子医疗系统有限公司 利用磁共振成像的胎儿胼胝体体积的测量方法及磁共振成像装置
WO2021108216A1 (en) 2019-11-27 2021-06-03 Hyperfine Research, Inc. Techniques for noise suppression in an environment of a magnetic resonance imaging system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4833407A (en) 1987-06-24 1989-05-23 Picker International, Inc. Scan time reduction using conjugate symmetry and recalled echo
US5270654A (en) * 1991-07-05 1993-12-14 Feinberg David A Ultra-fast multi-section MRI using gradient and spin echo (grase) imaging
US5300886A (en) * 1992-02-28 1994-04-05 The United States Of America As Represented By The Department Of Health & Human Services Method to enhance the sensitivity of MRI for magnetic susceptibility effects
US5833609A (en) 1996-11-26 1998-11-10 Picker International, Inc. Rotating diffusion MR imaging reduced motion artifacts

Also Published As

Publication number Publication date
JP2005509509A (ja) 2005-04-14
US6445184B1 (en) 2002-09-03
EP1449004B1 (de) 2008-12-31
WO2003044555A1 (en) 2003-05-30
EP1449004A1 (de) 2004-08-25

Similar Documents

Publication Publication Date Title
DE60230662D1 (de) Mri-backprojection-sequenz mit mehreren gradienten-echos, speziell für diffusionsgewichtetes mri
DE60115261D1 (de) Teststreifen mit positiv-geladenen membranen für tetrazolium basierte assays
DE60215771D1 (de) Lateralflussprüfeinrichtung mit chemischem reaktionsmittel onboard
DE50211631D1 (de) Arretiervorrichtung mit mehreren Sperrstiften
DE60139247D1 (de) Verteilerventil für flüssigkeiten
DE60236604D1 (de) Ausführung einer automatischen wiederholungsaufforderung in der physikalischen lage für eine teilnehmereinheit
DE60233062D1 (de) Nmr-sonde mit verbesserter fähigkeit zur leistungsaufnahme
DE60226737D1 (de) Farb-kontrast system für lateralfluss-immunoassaytests
DE60233026D1 (de) Stoffübergabevorrichtung, insbesondere für Mischgeräte
DE60237578D1 (de) NMR-Analysator mit supraleitendem Spulensystem
DE60221236D1 (de) Gewebte vorform für eine konstruktionsverbindung
DE50211512D1 (de) Arretiervorrichtung mit gerillten Sperrstiften
DE60230958D1 (de) Fehlerdiffusionsbildverarbeitung mit Rangordnung
GB0330034D0 (en) NMR data acquisition with multiple interecho spacing
DE50101055D1 (de) Armlehne, insbesondere für Fahrzeuge
DE60129777D1 (de) Verteilanordnung mit Ventil für Neugeborene
DE60115609D1 (de) Datenverarbeitungsarchitektur mit bereichsprüfung für matrix
DE50103026D1 (de) Drallscheibe, insbesondere für einspritzventile
DE60203033D1 (de) Polyethyleniminunterlage für Bilderzeugungsmaterialien
ATE335203T1 (de) Test für anti-transglutaminase-antikörper
DE60127433D1 (de) Pipettiervorrichtung mit spülung
DE60022381D1 (de) Hochbrechende schichten aus germanium-silicium-oxynitrid für planare wellenleiter
DE60101075D1 (de) Transportkoffer/Träger für ein Augenuntersuchungsgerät
DE50211822D1 (de) Ventilnadel, insbesondere für Spritzbeschichtungsflüssigkeit
DE10197150T1 (de) LSI-Prüfvorrichtung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee