Electricity: measuring and testing – Particle precession resonance – Determine fluid flow rate
Reexamination Certificate
2007-04-03
2011-12-13
Arana, Louis (Department: 2858)
Electricity: measuring and testing
Particle precession resonance
Determine fluid flow rate
C324S309000
Reexamination Certificate
active
08076934
ABSTRACT:
In an imaging method, periodic maintenance radio frequency pulses (α, −α) are applied to maintain a steady state magnetic resonance excitation in an imaging region. Readout (66) of imaging data from the imaging region is performed during selected intervals between maintenance radio frequency pulses. A spatially selective blood signal suppression sequence (62, 62′) is performed during selected other intervals between maintenance radio frequency pulses. The blood signal suppression sequence suppresses a blood signal in a suppression region different from the imaging region. The blood signal suppression sequence has substantially no zero the moment applied magnetic field gradient.
REFERENCES:
patent: 6885193 (2005-04-01), Foxall
patent: 7369887 (2008-05-01), Fayad et al.
patent: 7560925 (2009-07-01), Nishimura et al.
patent: 2003/0062893 (2003-04-01), Overall
patent: 2005/0007112 (2005-01-01), Deimling
patent: 2005/0010104 (2005-01-01), Fayad et al.
Lin, H-Y., et al.; Flow Suppression Effect in Dual Steady States Acquisition; 2005; Proc. Intl. Soc. Mag. Reson. Med.; 13:1762.
Lin, H-Y., et al.; Rapid Dark Blood Imaging with High SNR from Random Velocity-Encoding Variation Method in Radial SSFP Acquisition; Proc. Intl. Soc. Mag. Reson. Med.; 11:451.
Lin, H-Y., et al.; Blood Attenuation with SSFP-Compatible Saturation (BASS); 2006; Journal of Magnetic Resonance Imaging; 24:701-707.
Derbyshire John A.
Herzka Daniel A.
Arana Louis
Koninklijke Philips Electronics , N.V.
LandOfFree
Black-blood steady-state free precession magnetic resonance... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Black-blood steady-state free precession magnetic resonance..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Black-blood steady-state free precession magnetic resonance... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4316846