Reduction of blurring in view angle tilting MRI

Details Reduction of blurring in view angle tilting MRI Reduction of blurring in view angle tilting MRI

2006-07-04

2006-07-04

Shrivastav, Brij B. (Department: 2859)

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

C324S307000

Reexamination Certificate

active

07071690

ABSTRACT:
Magnetic resonance imaging utilizes view angle tilting to correct for in-plane distortions with each RF excitation pulse being followed by a plurality of signal readouts to reduce image blurring. Each image readout is in the presence of a frequency select gradient (GX) and a slice select gradient (GZ), and at least the slice select gradient is refocused after each readout of an image signal. Each readout can have a time duration of the main lobe of the RF excitation pulse or the readout can have a higher bandwidth with an increased number of readouts. The combining of multiple readouts diminishes slice profile modulation resulting from Fourier transform.

REFERENCES:
patent: 6150815 (2000-11-01), Janzen et al.
patent: 6256526 (2001-07-01), Butts et al.
patent: 6424152 (2002-07-01), Prins et al.
patent: 6678544 (2004-01-01), Butts et al.
patent: 6801647 (2004-10-01), Arakawa
Butts et al., “Reduction of Blurring in View Angle Titling MRI with Multiple View Angle Tilting,” Unpublished, Submitted to the ISMRM on Feb. 5, 2004.
Butts et al., “Management of Biopsy Needle Artifacts: Techniques for RF refocused MRI,”Journal of Magnetic Resonance Imaging, 9:586-595 (1999).
Cho et al., “Total Inhomogeneity Correction Including Chemical Shifts and Susceptibility by View Angle Tilting,”Med. Phys. 15(1), Jan./Feb. 1988.

Affiliated with

Also associated with

Rating

Reduction of blurring in view angle tilting MRI does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Reduction of blurring in view angle tilting MRI, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reduction of blurring in view angle tilting MRI will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3536731