Method for the measurment of magnetic resonance ("Continuous Sat

Details Method for the measurment of magnetic resonance ("Continuous Sat Method for the measurment of magnetic resonance ("Continuous Sat

1995-02-23

1996-07-02

Tokar, Michael

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324307, G01V 300

Patent

active

055325963

ABSTRACT:
In a method of nuclear magnetic resonance imaging according to the multislice technique, in addition to the usual signal producing sequence, a further radio frequency pulse of low bandwidth is utilized in the presence of a slice selection gradient which serves as a saturation pulse on one slice of the complete multiple slice packet being investigated, whereby the sequence order of saturation pulses and of the correspondingly read-out slices is shifted by a constant interval with respect to each other in such a fashion that the signal saturation of each read out signal results from the relaxation of the correspondingly read out signal in the time interval between the saturation pulse and the excitation of the corresponding slice. In this fashion the number of slices can be continuously increased, whereby the entire measuring time increases linearly with the slices while the image contrast remains constant.

REFERENCES:
patent: 5010300 (1991-04-01), Paley et al.
patent: 5073752 (1991-12-01), DeMeester et al.
patent: 5298862 (1994-03-01), Henning
patent: 5315250 (1994-05-01), Ehnholm et al.
patent: 5368033 (1994-11-01), MoshFeghi
"Klinische Kernspintomographie" ed. Josef Lissner and Manfred Seiderer, Enke Verlag Stuttgart (1990), pp. 24ff. and 101ff. and 111ff.

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