EP1188072A4 - Procede et appareil d'acquisition de donnees en parallele a partir d'un reseau - Google Patents

Procede et appareil d'acquisition de donnees en parallele a partir d'un reseau

Info

Publication number
EP1188072A4
EP1188072A4 EP00937692A EP00937692A EP1188072A4 EP 1188072 A4 EP1188072 A4 EP 1188072A4 EP 00937692 A EP00937692 A EP 00937692A EP 00937692 A EP00937692 A EP 00937692A EP 1188072 A4 EP1188072 A4 EP 1188072A4
Authority
EP
European Patent Office
Prior art keywords
data acquisition
parallel data
coil array
mri coil
array
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.)
Withdrawn
Application number
EP00937692A
Other languages
German (de)
English (en)
Other versions
EP1188072A1 (fr
Inventor
Walid E Kyriakos
Daniel F Kacher
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP09166628A priority Critical patent/EP2133714A1/fr
Publication of EP1188072A1 publication Critical patent/EP1188072A1/fr
Publication of EP1188072A4 publication Critical patent/EP1188072A4/fr
Withdrawn legal-status Critical Current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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver 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
    • G01R33/54—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

Landscapes

  • Physics & Mathematics (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)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

Les données de résonance magnétique sont acquises en parallèle par un ensemble de bobines HF (2, 4, 6) séparées disposées tout autour du sujet soumis à une IRM. Ce procédé et cet appareil fonctionnent sur la base d'une évaluation du profil de sensibilité de chaque bobine.
EP00937692A 1999-05-24 2000-05-23 Procede et appareil d'acquisition de donnees en parallele a partir d'un reseau Withdrawn EP1188072A4 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09166628A EP2133714A1 (fr) 1999-05-24 2000-05-23 Procede et appareil d'acquisition de donnees en parallele a partir d'un reseau de bobines pour IRM

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13564599P 1999-05-24 1999-05-24
US135645P 1999-05-24
PCT/US2000/014171 WO2000072050A1 (fr) 1999-05-24 2000-05-23 Procede et appareil d'acquisition de donnees en parallele a partir d'un reseau

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP09166628A Division EP2133714A1 (fr) 1999-05-24 2000-05-23 Procede et appareil d'acquisition de donnees en parallele a partir d'un reseau de bobines pour IRM

Publications (2)

Publication Number Publication Date
EP1188072A1 EP1188072A1 (fr) 2002-03-20
EP1188072A4 true EP1188072A4 (fr) 2004-04-21

Family

ID=22469008

Family Applications (2)

Application Number Title Priority Date Filing Date
EP00937692A Withdrawn EP1188072A4 (fr) 1999-05-24 2000-05-23 Procede et appareil d'acquisition de donnees en parallele a partir d'un reseau
EP09166628A Withdrawn EP2133714A1 (fr) 1999-05-24 2000-05-23 Procede et appareil d'acquisition de donnees en parallele a partir d'un reseau de bobines pour IRM

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP09166628A Withdrawn EP2133714A1 (fr) 1999-05-24 2000-05-23 Procede et appareil d'acquisition de donnees en parallele a partir d'un reseau de bobines pour IRM

Country Status (4)

Country Link
EP (2) EP1188072A4 (fr)
JP (1) JP2003500138A (fr)
AU (1) AU5283100A (fr)
WO (1) WO2000072050A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6717406B2 (en) * 2000-03-14 2004-04-06 Beth Israel Deaconess Medical Center, Inc. Parallel magnetic resonance imaging techniques using radiofrequency coil arrays
JP5085832B2 (ja) * 2000-07-31 2012-11-28 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ サブサンプリングされた捕捉を用いた磁気共鳴撮像方法
GB2374673A (en) 2001-04-20 2002-10-23 Marconi Medical Systems Uk Ltd Magnetic Resonance Imaging
GB2374674A (en) * 2001-04-20 2002-10-23 Marconi Medical Systems Uk Ltd Magnetic Resonance Imaging
EP1554595B1 (fr) 2001-12-17 2008-05-14 Koninklijke Philips Electronics N.V. Procede de resonance magnetique
DE10201063B4 (de) * 2002-01-14 2005-06-02 Siemens Ag Gerät und Verfahren, sowie Computersoftware-Produkt zur PPA-Magnetresonanzbildgebung
EP1391744A1 (fr) * 2002-08-05 2004-02-25 Koninklijke Philips Electronics N.V. Imagerie par résonance magnétique
US7417429B2 (en) 2003-02-28 2008-08-26 Koninklijke Philips Electronics N.V. Moving table MRI with subsampling in parallel
DE102007054863B4 (de) * 2007-11-16 2009-09-10 Siemens Ag Verfahren und Computersoftwareprodukt zur Magnet-Resonanz-Bildgebung auf Basis einer partiellen parallelen Akquisition (PPA)
CN103675737B (zh) * 2013-12-06 2016-08-17 清华大学 扩散磁共振成像和重建方法
WO2015152957A1 (fr) * 2014-03-31 2015-10-08 The General Hospital Corporation Imagerie inverse avec imagerie par résonance magnétique utilisant un codage par gradient à échos
CN110261804B (zh) * 2019-05-28 2021-07-16 上海联影医疗科技股份有限公司 磁共振扫描方法、装置、计算机设备和存储介质

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3133873A1 (de) 1981-08-27 1983-03-17 Siemens AG, 1000 Berlin und 8000 München Gradientenspulen-system fuer eine einrichtung der kernspinresonanz-technik
DE3133933A1 (de) 1981-08-27 1983-03-17 Siemens AG, 1000 Berlin und 8000 München "gradientenspulen-system einer einrichtung der kernspinresonanz-technik"
US5365172A (en) 1992-08-07 1994-11-15 Brigham And Women's Hospital Methods and apparatus for MRI
EP0704062B1 (fr) * 1994-04-08 2002-06-19 Koninklijke Philips Electronics N.V. Methode et appareil d'imagerie par resonance magnetique
DE19526778C1 (de) * 1995-07-21 1997-01-23 Siemens Ag Verfahren zum Kompensieren eines Empfindlichkeitsprofils einer Antennenanordnung eines Magnetresonanzgeräts
EP0826976A3 (fr) * 1996-08-28 1998-10-21 Philips Patentverwaltung GmbH Appareil de RM avec un dispositif de bobine de référence pour la réconstruction d'images RM d'un réseau de bobines
US5910728A (en) * 1996-11-12 1999-06-08 Beth Israel Deaconess Medical Center Simultaneous acquisition of spatial harmonics (SMASH): ultra-fast imaging with radiofrequency coil arrays

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
JAKOB P M ET AL: "AUTO-SMASH: A SELF-CALIBRATING TECHNIQUE FOR SMASH IMAGING", MAGNETIC RESONANCE MATERIALS IN PHYSICS, BIOLOGY AND MEDICINE, CHAPMAN AND HALL, LONDON, GB, vol. 7, no. 1, November 1998 (1998-11-01), pages 42 - 54, XP001012838, ISSN: 1352-8661 *
KYRIAKOS W E ET AL: "SENSITIVITY PROFILES FROM AN ARRAY OF COILS FOR ENCODING AND RECONSTRUCTION IN PARALLEL (SPACE RIP)", MAGNETIC RESONANCE IN MEDICINE, ACADEMIC PRESS, DULUTH, MN, US, vol. 44, no. 2, August 2000 (2000-08-01), pages 301 - 308, XP000947389, ISSN: 0740-3194 *
MURAKAMI J W ET AL: "INTENSITY CORRECTION OF PHASED-ARRAY SURFACE COIL IMAGES", MAGNETIC RESONANCE IN MEDICINE, ACADEMIC PRESS, DULUTH, MN, US, vol. 35, no. 4, 1 April 1996 (1996-04-01), pages 585 - 590, XP000587727, ISSN: 0740-3194 *
PRUESSMANN K P ET AL: "COIL SENSITIVITY ENCODING FOR FAST MRI", PROCEEDINGS OF THE INTERNATIONAL SOCIETY FOR MAGNETIC RESONANCE IN MEDICINE. 6TH SCIENTIFIC MEETING AND EXHIBITION. ISMRM '98. SYDNEY, APRIL 18 - 24, 1998, PROCEEDINGS OF THE INTERNATIONAL SOCIETY OF MAGNETIC RESONANCE IN MEDICINE. SCIENTIFIC MEETING, vol. VOL. 1, 1998, pages 579, XP001010818, ISSN: 1065-9889 *
PRUESSMANN, K.P. ET AL: "Coil Sensitivity Maps for Sensitivity Encoding and Intensity Correction", INTERNATIONAL SOCIETY FOR MAGNETIC RESONANCE IN MEDICINE, SIXTH SCIENTIFIC MEETING AND EXHIBITION, 18 April 1998 (1998-04-18), SYDNEY, AUSTRALIA, pages 2087, XP002270936 *
See also references of WO0072050A1 *

Also Published As

Publication number Publication date
EP2133714A1 (fr) 2009-12-16
EP1188072A1 (fr) 2002-03-20
JP2003500138A (ja) 2003-01-07
AU5283100A (en) 2000-12-12
WO2000072050A1 (fr) 2000-11-30
WO2000072050A9 (fr) 2002-08-29

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