NMR imaging method

Details NMR imaging method NMR imaging method

1987-06-03

1988-04-26

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324312, G01R 3320

Patent

active

047407492

ABSTRACT:
In an imaging method called spin warp method in which a measuring sequence inclusive of nuclear spin excitation, application of phase-encoding gradient field, and measurement of NMR signals under the application of read-out gradient field, is repeated while changing the phase-encoding amount, and a data train thus obtained is subjected to the two-dimensional inverse Fourier transformation to reconstruct a magnetization distribution image of an object, wherein an NMR imaging method is characterized in that measurement of NMR signals is repeated a plural number of times for a particular phase-encoding amount only among many phase-encoding amounts, a plurality of NMR signals thus obtained are added up together and are averaged, and the data obtained by the addition and averaging is subjected to the two-dimensional inverse Fourier transformation.

REFERENCES:
patent: 4521733 (1985-06-01), Bottomley
patent: 4579121 (1986-04-01), Macouski
patent: 4585992 (1986-04-01), Maudsley
patent: 4587489 (1986-05-01), Wehrli
patent: 4599565 (1986-07-01), Hoenninger
W. Edelstein, "European Patent Application", No. 0091008, date 12/10/83.

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