Method of and device for determining a nuclear magnetization...

Details Method of and device for determining a nuclear magnetization... Method of and device for determining a nuclear magnetization...

G - Physics

01

N

324/1

G01N 24/08 (2006.01) G01R 33/54 (2006.01)

Patent

CA 1214211

28 ABSTRACT: "Method of and device for determining a nuclear magnetiza- tion distribution in a region of a body." During measurement cycles for generating and sampling FID signals in NMR imaging devices 9 a 180° pulse and subsequently a 90° excitation pulse are added to the pulse sequence. The 180° pulse produces an additional echo signal. During (the maximum of) the echo signal, the 90° pulse is generated. The waiting period occurring before the beginning of a next measurement cycle can thus be substantially reduced without giving rise to a significant signal loss in the echo signals to be generated during said cycle. In addition to a reduction of the measurement time, NMR images with different contrasts (other intensity distribution) can be provided.

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