DE69709425T2 - Dreidimensionale digitale Subtraktions-Angiographie mittels magnetischer Resonanz - Google Patents

Dreidimensionale digitale Subtraktions-Angiographie mittels magnetischer Resonanz

Info

Publication number
DE69709425T2
DE69709425T2 DE69709425T DE69709425T DE69709425T2 DE 69709425 T2 DE69709425 T2 DE 69709425T2 DE 69709425 T DE69709425 T DE 69709425T DE 69709425 T DE69709425 T DE 69709425T DE 69709425 T2 DE69709425 T2 DE 69709425T2
Authority
DE
Germany
Prior art keywords
magnetic resonance
dimensional digital
digital subtraction
subtraction angiography
angiography
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
DE69709425T
Other languages
English (en)
Other versions
DE69709425D1 (de
Inventor
Charles A Mistretta
Frank R Korosec
Thomas M Grist
Richard Frayne
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.)
Wisconsin Alumni Research Foundation
Original Assignee
Wisconsin Alumni Research Foundation
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24495242&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69709425(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wisconsin Alumni Research Foundation filed Critical Wisconsin Alumni Research Foundation
Publication of DE69709425D1 publication Critical patent/DE69709425D1/de
Application granted granted Critical
Publication of DE69709425T2 publication Critical patent/DE69709425T2/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
    • G01R33/561—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
    • G01R33/5619—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 by temporal sharing of data, e.g. keyhole, block regional interpolation scheme for k-Space [BRISK]
    • 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
    • G01R33/5635—Angiography, e.g. contrast-enhanced angiography [CE-MRA] or time-of-flight angiography [TOF-MRA]
    • 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
    • G01R33/56308—Characterization of motion or flow; Dynamic imaging
    • G01R33/56325—Cine imaging

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (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)
  • Vascular Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE69709425T 1996-03-26 1997-03-20 Dreidimensionale digitale Subtraktions-Angiographie mittels magnetischer Resonanz Expired - Lifetime DE69709425T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/622,718 US5713358A (en) 1996-03-26 1996-03-26 Method for producing a time-resolved series of 3D magnetic resonance angiograms during the first passage of contrast agent

Publications (2)

Publication Number Publication Date
DE69709425D1 DE69709425D1 (de) 2002-02-07
DE69709425T2 true DE69709425T2 (de) 2002-09-12

Family

ID=24495242

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69709425T Expired - Lifetime DE69709425T2 (de) 1996-03-26 1997-03-20 Dreidimensionale digitale Subtraktions-Angiographie mittels magnetischer Resonanz

Country Status (4)

Country Link
US (1) US5713358A (de)
EP (1) EP0798566B1 (de)
JP (3) JPH105191A (de)
DE (1) DE69709425T2 (de)

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DE69709425D1 (de) 2002-02-07
JP4011585B2 (ja) 2007-11-21
EP0798566B1 (de) 2002-01-02
EP0798566A1 (de) 1997-10-01
JPH105191A (ja) 1998-01-13
JP2007260454A (ja) 2007-10-11
JP2005095694A (ja) 2005-04-14

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