Method of eliminating breathing artifacts in NMR imaging

Details Method of eliminating breathing artifacts in NMR imaging Method of eliminating breathing artifacts in NMR imaging

1984-11-21

1986-02-04

Howell, Kyle L.

Surgery

Truss

Pad

324309, A61B 505

Patent

active

045678936

ABSTRACT:
A method for eliminating or reducing breathing artifacts due to motion-induced phase errors in the phase-encoding dimension when using Fourier transform imaging methods, such as spin warp, utilizes a repetition time (TR) which is an odd multiple of one quarter of the breathing cycle. In the preferred embodiment, the breathing cycle is determined by monitoring the integrated spin-echo signal magnitude spectrum as a function of time.

REFERENCES:
patent: 3871360 (1975-03-01), Van Horn et al.
patent: 3993995 (1976-11-01), Kaplan et al.
patent: 4387722 (1983-06-01), Kearns
patent: 4443760 (1984-04-01), Edelstein et al.
Hutchison et al., "A Whole-Body NMR Imaging Machine", J. Phys. E. Sci. Instrum., vol. 13, No. 9, Sep. 1980, pp. 947-955.

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