GB2127155B - Flow determination by nuclear magnetic resonance - Google Patents

Flow determination by nuclear magnetic resonance

Info

Publication number
GB2127155B
GB2127155B GB08323327A GB8323327A GB2127155B GB 2127155 B GB2127155 B GB 2127155B GB 08323327 A GB08323327 A GB 08323327A GB 8323327 A GB8323327 A GB 8323327A GB 2127155 B GB2127155 B GB 2127155B
Authority
GB
United Kingdom
Prior art keywords
magnetic resonance
nuclear magnetic
flow determination
determination
flow
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
Application number
GB08323327A
Other versions
GB2127155A (en
GB8323327D0 (en
Inventor
Ian Robert Young
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.)
Philips Design Ltd
Original Assignee
Picker International 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
Application filed by Picker International Ltd filed Critical Picker International Ltd
Priority to GB08323327A priority Critical patent/GB2127155B/en
Publication of GB8323327D0 publication Critical patent/GB8323327D0/en
Publication of GB2127155A publication Critical patent/GB2127155A/en
Application granted granted Critical
Publication of GB2127155B publication Critical patent/GB2127155B/en
Expired 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G01F1/708—Measuring the time taken to traverse a fixed distance
    • G01F1/716—Measuring the time taken to traverse a fixed distance using electron paramagnetic resonance [EPR] or nuclear magnetic resonance [NMR]

Landscapes

  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Fluid Mechanics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
GB08323327A 1982-09-17 1983-08-31 Flow determination by nuclear magnetic resonance Expired GB2127155B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08323327A GB2127155B (en) 1982-09-17 1983-08-31 Flow determination by nuclear magnetic resonance

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8226539 1982-09-17
GB08323327A GB2127155B (en) 1982-09-17 1983-08-31 Flow determination by nuclear magnetic resonance

Publications (3)

Publication Number Publication Date
GB8323327D0 GB8323327D0 (en) 1983-10-05
GB2127155A GB2127155A (en) 1984-04-04
GB2127155B true GB2127155B (en) 1987-04-08

Family

ID=26283858

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08323327A Expired GB2127155B (en) 1982-09-17 1983-08-31 Flow determination by nuclear magnetic resonance

Country Status (1)

Country Link
GB (1) GB2127155B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2164155B (en) * 1984-08-10 1989-07-19 Gen Hospital Corp Flow imaging by means of nuclear magnetic resonance
JPH07108288B2 (en) * 1985-02-15 1995-11-22 株式会社日立製作所 NMR imaging method
US4752734A (en) * 1985-08-06 1988-06-21 The General Hospital Corporation Flow imaging by means of nuclear magnetic resonance
US4689560A (en) * 1985-08-16 1987-08-25 Picker International, Inc. Low R.F. dosage magnetic resonance imaging of high velocity flows
US4683431A (en) * 1985-08-16 1987-07-28 Picker International, Inc. Magnetic resonance imaging of high velocity flows
US5124649A (en) * 1987-06-02 1992-06-23 Picker International, Inc. Magnetic resonance imaging with selective phase encoding averaging

Also Published As

Publication number Publication date
GB2127155A (en) 1984-04-04
GB8323327D0 (en) 1983-10-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee