Magnetic resonance imaging apparatus and magnetic resonance...

Details Magnetic resonance imaging apparatus and magnetic resonance... Magnetic resonance imaging apparatus and magnetic resonance...

2011-06-21

2011-06-21

Arana, Louis M (Department: 2858)

Electricity: measuring and testing

Particle precession resonance

Determine fluid flow rate

C324S309000

Reexamination Certificate

active

07965079

ABSTRACT:
A magnetic resonance imaging apparatus includes a fluid image data acquisition unit and a flow velocity measuring unit. The a fluid image data acquisition unit acquires fluid image data, corresponding to mutually different inversion times, by imaging with applying at least three inversion recovery pulses having the inversion times. The flow velocity measuring unit obtains a flow velocity of fluid based on time variation of a signal intensity depending on the inversion times at each of plural positions and a distance between the plural positions.

REFERENCES:
patent: 5417214 (1995-05-01), Roberts et al.
patent: 7071689 (2006-07-01), Golay et al.
patent: 7880464 (2011-02-01), Yamada et al.
patent: 2003-144416 (2003-05-01), None

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