DE60331021D1 - Räumliche Kodierung von MR-Daten an einem sich bewegenden Objekt unter Verwendung eines Gradientenfeldes höherer Ordnung - Google Patents

Räumliche Kodierung von MR-Daten an einem sich bewegenden Objekt unter Verwendung eines Gradientenfeldes höherer Ordnung

Info

Publication number
DE60331021D1
DE60331021D1 DE60331021T DE60331021T DE60331021D1 DE 60331021 D1 DE60331021 D1 DE 60331021D1 DE 60331021 T DE60331021 T DE 60331021T DE 60331021 T DE60331021 T DE 60331021T DE 60331021 D1 DE60331021 D1 DE 60331021D1
Authority
DE
Germany
Prior art keywords
data
moving object
higher order
gradient field
order gradient
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 - Lifetime
Application number
DE60331021T
Other languages
German (de)
English (en)
Inventor
Richard Scott Hinks
Kevin F King
Jason A Polzin
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.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology Co LLC
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 GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Application granted granted Critical
Publication of DE60331021D1 publication Critical patent/DE60331021D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01R33/56375—Intentional motion of the sample during MR, e.g. moving table 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils

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)
DE60331021T 2002-05-01 2003-04-25 Räumliche Kodierung von MR-Daten an einem sich bewegenden Objekt unter Verwendung eines Gradientenfeldes höherer Ordnung Expired - Lifetime DE60331021D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/063,507 US6983181B2 (en) 2002-05-01 2002-05-01 Spatial encoding MR data of a moving subject using a higher-order gradient field

Publications (1)

Publication Number Publication Date
DE60331021D1 true DE60331021D1 (de) 2010-03-11

Family

ID=29214368

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60331021T Expired - Lifetime DE60331021D1 (de) 2002-05-01 2003-04-25 Räumliche Kodierung von MR-Daten an einem sich bewegenden Objekt unter Verwendung eines Gradientenfeldes höherer Ordnung

Country Status (4)

Country Link
US (2) US6983181B2 (enExample)
EP (1) EP1359430B1 (enExample)
JP (1) JP2004000590A (enExample)
DE (1) DE60331021D1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7558612B2 (en) * 2002-04-16 2009-07-07 The Board Of Trustees Of The Leland Stanford Junior University Motion compensated spiral FISP MRI
US6983181B2 (en) * 2002-05-01 2006-01-03 General Electric Company Spatial encoding MR data of a moving subject using a higher-order gradient field
JP4993960B2 (ja) * 2006-07-11 2012-08-08 株式会社日立メディコ 核磁気共鳴撮像装置
DE102011007501B3 (de) 2011-04-15 2012-05-31 Universitätsklinikum Freiburg Verfahren der bildgebenden Magnetresonanz zur Selektion und Aufnahme von gekrümmten Schichten
DE102011083898B4 (de) * 2011-09-30 2013-04-11 Friedrich-Alexander-Universität Erlangen-Nürnberg Erfassen von Magnetresonanzdaten am Rande des Gesichtsfelds einer Magnetresonanzanlage
WO2018033548A1 (en) * 2016-08-15 2018-02-22 Koninklijke Philips N.V. Actively shielded gradient coil assembly for a magnetic resonance examination system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6080747A (ja) * 1983-10-11 1985-05-08 Utsunomiyadaigakuchiyou 非線形磁場勾配を用いた核磁気共鳴映像化方法
US4665365A (en) * 1985-01-07 1987-05-12 General Electric Company Method for reversing residual transverse magnetization due to phase-encoding magnetic field gradients
US4770182A (en) * 1986-11-26 1988-09-13 Fonar Corporation NMR screening method
US4881032A (en) * 1988-10-21 1989-11-14 General Electric Company Method of, and apparatus for, NMR spectroscopic metabolite imaging and quantification
US5122748A (en) * 1990-08-13 1992-06-16 The Trustees Of Columbia University In The City Of New York Method and apparatus for spatial localization of magnetic resonance signals
JP3384897B2 (ja) * 1994-12-21 2003-03-10 ジーイー横河メディカルシステム株式会社 Ｍｒｉ装置
US6011392A (en) * 1997-04-10 2000-01-04 General Electric Company Method for reducing Maxwell term artifacts in fast spin echo MR images
GB2345139A (en) * 1998-12-24 2000-06-28 Marconi Electronic Syst Ltd MRI apparatus with continuous movement of patient
US6794869B2 (en) * 2001-03-30 2004-09-21 General Electric Company Moving table MRI with frequency-encoding in the z-direction
DE10117342C1 (de) * 2001-04-06 2002-11-21 Siemens Ag Kernspintomographievorrichtung und Verfahren zur Ortscodierung mit einem nichtlinearen Gradientenfeld
US6912415B2 (en) * 2001-04-09 2005-06-28 Mayo Foundation For Medical Education And Research Method for acquiring MRI data from a large field of view using continuous table motion
US6983181B2 (en) * 2002-05-01 2006-01-03 General Electric Company Spatial encoding MR data of a moving subject using a higher-order gradient field
US6707300B2 (en) * 2002-05-17 2004-03-16 Ge Medical Systems Global Technology Co., Llc Gradient non-linearity compensation in moving table MRI

Also Published As

Publication number Publication date
EP1359430B1 (en) 2010-01-20
JP2004000590A (ja) 2004-01-08
US20030206012A1 (en) 2003-11-06
US7558613B2 (en) 2009-07-07
US20060036161A1 (en) 2006-02-16
EP1359430A2 (en) 2003-11-05
EP1359430A3 (en) 2005-04-06
US6983181B2 (en) 2006-01-03

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