GB9600296D0 - Methods of obtaining phase information in magnetic resonance imaging and related apparatus - Google Patents

Methods of obtaining phase information in magnetic resonance imaging and related apparatus

Info

Publication number
GB9600296D0
GB9600296D0 GBGB9600296.9A GB9600296A GB9600296D0 GB 9600296 D0 GB9600296 D0 GB 9600296D0 GB 9600296 A GB9600296 A GB 9600296A GB 9600296 D0 GB9600296 D0 GB 9600296D0
Authority
GB
United Kingdom
Prior art keywords
methods
magnetic resonance
resonance imaging
phase information
related apparatus
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.)
Pending
Application number
GBGB9600296.9A
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.)
BTG International Ltd
Original Assignee
British Technology Group Ltd
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
Priority claimed from GBGB9518009.7A external-priority patent/GB9518009D0/en
Application filed by British Technology Group Ltd filed Critical British Technology Group Ltd
Priority to GBGB9600296.9A priority Critical patent/GB9600296D0/en
Publication of GB9600296D0 publication Critical patent/GB9600296D0/en
Priority to IL12354296A priority patent/IL123542A/en
Priority to PCT/GB1996/002172 priority patent/WO1997009632A1/en
Priority to EP96929411A priority patent/EP0848827A1/en
Priority to US09/034,309 priority patent/US6150814A/en
Pending 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56509—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to motion, displacement or flow, e.g. gradient moment nulling
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0
GBGB9600296.9A 1995-09-04 1996-01-08 Methods of obtaining phase information in magnetic resonance imaging and related apparatus Pending GB9600296D0 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GBGB9600296.9A GB9600296D0 (en) 1995-09-04 1996-01-08 Methods of obtaining phase information in magnetic resonance imaging and related apparatus
IL12354296A IL123542A (en) 1995-09-04 1996-09-04 Apparatus and methods of obtaining phase information in magnetic resonance imaging
PCT/GB1996/002172 WO1997009632A1 (en) 1995-09-04 1996-09-04 Methods of achieving phase contrast in magnetic resonance imaging and a related apparatus
EP96929411A EP0848827A1 (en) 1995-09-04 1996-09-04 Methods of achieving phase contrast in magnetic resonance imaging and a related apparatus
US09/034,309 US6150814A (en) 1995-09-04 1998-03-03 Methods of achieving phase contrast in magnetic resonance imaging and a related apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9518009.7A GB9518009D0 (en) 1995-09-04 1995-09-04 Methods of obtaining phase information in magnetic resonance imaging and a related apparatus
GBGB9600296.9A GB9600296D0 (en) 1995-09-04 1996-01-08 Methods of obtaining phase information in magnetic resonance imaging and related apparatus

Publications (1)

Publication Number Publication Date
GB9600296D0 true GB9600296D0 (en) 1996-03-13

Family

ID=26307687

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9600296.9A Pending GB9600296D0 (en) 1995-09-04 1996-01-08 Methods of obtaining phase information in magnetic resonance imaging and related apparatus

Country Status (4)

Country Link
EP (1) EP0848827A1 (en)
GB (1) GB9600296D0 (en)
IL (1) IL123542A (en)
WO (1) WO1997009632A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100409022C (en) * 2003-12-29 2008-08-06 中国科学院电工研究所 An impedance imaging method and apparatus
US7898252B2 (en) 2005-03-10 2011-03-01 University Of Queensland Phased array coil for MRI

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4661775A (en) * 1985-07-15 1987-04-28 Technicare Corporation Chemical shift imaging with field inhomogeneity correction
US4912412A (en) * 1987-02-27 1990-03-27 Hitachi, Ltd. MR imaging method and apparatus
US5115812A (en) * 1988-11-30 1992-05-26 Hitachi, Ltd. Magnetic resonance imaging method for moving object
JP3403751B2 (en) * 1992-03-31 2003-05-06 株式会社東芝 Magnetic resonance imaging

Also Published As

Publication number Publication date
WO1997009632A1 (en) 1997-03-13
EP0848827A1 (en) 1998-06-24
IL123542A0 (en) 1998-10-30
IL123542A (en) 2001-07-24

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