Imaging method

Details Imaging method Imaging method

1990-09-11

1993-07-13

Arana, Louis

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324309, G01V 300

Patent

active

052277232

ABSTRACT:
The invention relates to a method based on the NMR phenomenon and magnetic resonance imaging techniques for the examination of an object, such as a human body, an animal or a tree trunk, wherein the image-related information is collected by effecting several times the operations required by a so-called imaging sequence, wherein the excitation procedure is followed by coupling across the object a magnetic field gradient, a so-called phase-encoding gradient, produced as a resultant of one or more divergent gradient fields, and thereafter a so-called read-out gradient during which a nuclear magnetic resonance signal is collected. One or more component gradient fields of said phase-encoding gradient produce a read-out gradient in some of the sequence repetition times.

REFERENCES:
patent: 4841247 (1989-06-01), Itagaki
patent: 4993075 (1991-02-01), Sekihara et al.
Ljunggren, S.: A simple graphical representation of Fourier-based imaging methods. J. Magn. Reson., vol. 54, pp. 338-343, 1983.

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