Flow angiology with static signal suppression

Details Flow angiology with static signal suppression Flow angiology with static signal suppression

1990-06-15

1991-09-24

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Determine fluid flow rate

324309, G01R 3320

Patent

active

050516973

ABSTRACT:
A method for rephasing one or more of the motion components of moving material in a nuclear magnetic resonance imaging system, including velocity, acceleration, pulsatility and higher order motion components. Gradient pulses are applied in one or more of the read, phase encode and slice select directions, and subsequent gradients are then applied in one or more of such directions so that the total net phase in such direction is zero for the desired motion component and non-zero for static material.

REFERENCES:
patent: 4697149 (1987-09-01), Moran
patent: 4777956 (1988-10-01), Macovski
patent: 4918386 (1990-04-01), Dumoulin et al.

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