DE68927362T2 - Verfahren zur retrospektiven Austastung der magnetischen Kernresonanz-Daten - Google Patents

Verfahren zur retrospektiven Austastung der magnetischen Kernresonanz-Daten

Info

Publication number
DE68927362T2
DE68927362T2 DE68927362T DE68927362T DE68927362T2 DE 68927362 T2 DE68927362 T2 DE 68927362T2 DE 68927362 T DE68927362 T DE 68927362T DE 68927362 T DE68927362 T DE 68927362T DE 68927362 T2 DE68927362 T2 DE 68927362T2
Authority
DE
Germany
Prior art keywords
retrospective
blanking
magnetic resonance
resonance data
data
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
DE68927362T
Other languages
English (en)
Other versions
DE68927362D1 (de
Inventor
Thomas A Spraggins
Steven F Owens
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of DE68927362D1 publication Critical patent/DE68927362D1/de
Publication of DE68927362T2 publication Critical patent/DE68927362T2/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
    • G01R33/567—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
    • G01R33/5676—Gating or triggering based on an MR signal, e.g. involving one or more navigator echoes for motion monitoring and correction

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Cardiology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physiology (AREA)
  • Power Engineering (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Signal Processing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE68927362T 1988-08-19 1989-08-07 Verfahren zur retrospektiven Austastung der magnetischen Kernresonanz-Daten Expired - Fee Related DE68927362T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/234,229 US4961426A (en) 1988-08-19 1988-08-19 Method for retrospectively gating NMR data

Publications (2)

Publication Number Publication Date
DE68927362D1 DE68927362D1 (de) 1996-11-28
DE68927362T2 true DE68927362T2 (de) 1997-03-27

Family

ID=22880486

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927362T Expired - Fee Related DE68927362T2 (de) 1988-08-19 1989-08-07 Verfahren zur retrospektiven Austastung der magnetischen Kernresonanz-Daten

Country Status (3)

Country Link
US (1) US4961426A (de)
EP (1) EP0355556B1 (de)
DE (1) DE68927362T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03228745A (ja) * 1990-02-05 1991-10-09 Toshiba Corp Ｍｒｉ装置
US5377680A (en) * 1993-08-04 1995-01-03 General Electric Company MRI cardiac image produced by temporal data sharing
US6798199B2 (en) * 2003-02-06 2004-09-28 Siemens Medical Solutions Usa, Inc. Method for synchronizing magnetic resonance imaging data to body motion
ATE477559T1 (de) * 2003-03-14 2010-08-15 Koninkl Philips Electronics Nv Bewegungskorrigiertes dreidimensionales volumenabbildungsverfahren
US7454241B2 (en) * 2003-08-27 2008-11-18 Koninklijke Philips Electronics N.V. Method for cardiac magnetic resonance imaging
US8285359B2 (en) * 2003-11-26 2012-10-09 General Electric Company Method and system for retrospective gating using multiple inputs
US20050113673A1 (en) * 2003-11-26 2005-05-26 Avinash Gobal B. Method and system to reduce motion-related image artifacts during breath holding
US8064983B2 (en) * 2003-11-26 2011-11-22 General Electric Company Method and system for prospective gating using multiple inputs
US7844317B2 (en) * 2003-11-26 2010-11-30 General Electric Company Method and system for estimating three-dimensional respiratory motion
US7367953B2 (en) * 2003-11-26 2008-05-06 Ge Medical Systems Global Technology Company Method and system for determining a period of interest using multiple inputs
US7756565B2 (en) * 2003-11-26 2010-07-13 General Electric Company Method and system for composite gating using multiple inputs
US7693569B1 (en) 2004-10-12 2010-04-06 General Electric Company Method and system of determining motion in a region-of-interest directly and independently of k-space trajectory
US7689264B2 (en) * 2005-06-29 2010-03-30 Bruker Biospin Mri Gmbh Method for producing MR (magnetic resonance) images of a moving object using navigator signals
DE102009055961B4 (de) 2009-11-27 2018-10-18 Siemens Healthcare Gmbh Verfahren zur Erfassung von einer Atembewegung eines Untersuchungsobjektes entsprechender Signaldaten mittels Magnetresonanz

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0168691A1 (de) * 1984-07-05 1986-01-22 Siemens Aktiengesellschaft Vorrichtung zur berührungslosen Messung von Organbewegungen
US4567893A (en) * 1984-11-21 1986-02-04 General Electric Company Method of eliminating breathing artifacts in NMR imaging
US4564017A (en) * 1984-11-21 1986-01-14 General Electric Company Method and apparatus for respiration monitoring with an NMR scanner
FR2574551B1 (fr) * 1984-12-12 1986-12-26 Commissariat Energie Atomique Procede de generation et de traitement de signaux pour l'obtention par resonance magnetique nucleaire d'une image exempte de distorsions a partir d'un champ de polarisation inhomogene
DE3514542A1 (de) * 1985-04-22 1986-10-23 Siemens AG, 1000 Berlin und 8000 München Verfahren und vorrichtung zur zusammensetzung eines mr-bildes aus atemgesteuert aufgenommenen bilddaten
US4694837A (en) * 1985-08-09 1987-09-22 Picker International, Inc. Cardiac and respiratory gated magnetic resonance imaging
US4712560A (en) * 1985-08-09 1987-12-15 General Electric Company Apparatus and method of acquiring physiological gating signals for magnetic resonance imaging of moving objects
JPS63164943A (ja) * 1986-09-03 1988-07-08 株式会社日立製作所 Ｎｍｒイメ−ジング方式
US4710717A (en) * 1986-12-29 1987-12-01 General Electric Company Method for fast scan cine NMR imaging
US4751462A (en) * 1987-05-26 1988-06-14 General Electric Company Method for acquiring NMR data which is subject to periodic variations
US4761613A (en) * 1987-08-12 1988-08-02 Picker International, Inc. Monitored echo gating for the reduction of motion artifacts

Also Published As

Publication number Publication date
US4961426A (en) 1990-10-09
EP0355556A2 (de) 1990-02-28
EP0355556B1 (de) 1996-10-23
EP0355556A3 (de) 1991-04-03
DE68927362D1 (de) 1996-11-28

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Legal Events

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