Method for monitoring vascular flow using magnetic resonance sig

Details Method for monitoring vascular flow using magnetic resonance sig Method for monitoring vascular flow using magnetic resonance sig

1989-08-15

1991-02-12

Hindenburg, Max

Surgery

Truss

Pad

324306, A61B 5055

Patent

active

049915860

ABSTRACT:
A pulse sequence is disclosed for operating a magnetic resonance system wherein a slice of the examination subject disposed perpendicularly to the flow in a vessel under examination is first selectively excited. A nuclear magnetic resonance signal is read out as an echo signal under the influence of a read-gradient disposed perpendicularly to the slice selection gradient. The signals acquired in successive steps are displayed on a time axis. In contrast to a conventional spin warp sequence, the phase coding gradient, and thus a topical resolution in one direction, are foregone, and instead a chronological resolution of the flow is achieved.

REFERENCES:
patent: 4602641 (1986-07-01), Feinberg
patent: 4694253 (1987-09-01), LeRoux
patent: 4718424 (1988-01-01), Nishimura
patent: 4769603 (1988-09-01), Oppelt et al.
patent: 4782839 (1988-11-01), Hennig et al.
patent: 4800889 (1989-01-01), Dumoulin et al.
"MR Angiography with Gradient Motion Refocusing," Laub et al., Journal of Computer Assisted Tomography, vol. 10, No. 5, pp. 715-722, Sep./Oct. 1986.

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