NMR imaging method

Details NMR imaging method NMR imaging method

1986-04-10

1988-03-22

Levy, Stewart J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324309, G01R 3320

Patent

active

047331887

ABSTRACT:
In imaging methods represented by the echo-planar method, i.e., in a method including a step of measuring the spin echos while applying a fixed gradient magnetic field to an object and applying a gradient field G.sub.Y periodically inverted in sense to the object and a step of obtaining the spin distribution image in the spatial domain by applying two-dimensional Fourier transform to the measured data, measurement is repeated a plurality of times while altering the phase of the applied waveform of G.sub.X, and the spin density image is derived by applying two-dimensional Fourier transform to a plurality of sets of data groups thus obtained.

REFERENCES:
patent: 4509015 (1985-04-01), Ordidge et al.
patent: 4588948 (1986-05-01), Mansfield
patent: 4689568 (1987-08-01), Matsui et al.
patent: 4691162 (1987-09-01), Van Uijen

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