Method and apparatus for respiration monitoring with an NMR scan

Details Method and apparatus for respiration monitoring with an NMR scan Method and apparatus for respiration monitoring with an NMR scan

1984-11-21

1986-01-14

Howell, Kyle L.

Surgery

Truss

Pad

128721, 324300, 324307, A61B 505

Patent

active

045640173

ABSTRACT:
A method for eliminating or reducing breathing artifacts due to motion-induced phase and amplitude 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, method and apparatus are provided for determining the breathing cycle by monitoring the integrated spin-echo signal magnitude spectrum as a function of time.

REFERENCES:
patent: Re23950 (1960-10-01), Williams
patent: 2955252 (1955-02-01), Bloch et al.
patent: 3052834 (1962-09-01), Schuster
patent: 3714551 (1973-01-01), Pajak et al.

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