Magnetic resonance tomography method and magnetic resonance tomo

Details Magnetic resonance tomography method and magnetic resonance tomo Magnetic resonance tomography method and magnetic resonance tomo

1989-07-12

1990-11-20

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324307, G01R 3320

Patent

active

049721488

ABSTRACT:
The invention relates to a magnetic resonance tomography method where two slice-selective rf pulses influence the nuclear magnetization in a slice. Further slice selective rf pulses which excite sub-slices extending perpendicularly to said slice generate stimulated echo signals in the strip-shaped zone of intersection between the relevant sub-slice and the slice. The FID signals associated with the further rf pulses are suppressed by means of a subsequently activated magnetic gradient field. In order to ensure that this field does not dephase the desired stimulated echo signals at the same time magnetic gradient field having the same time integral is activated between the first and the second rf pulse.

REFERENCES:
patent: 4734646 (1988-03-01), Shenoy et al.
patent: 4739766 (1988-04-01), Riederer
patent: 4748409 (1989-05-01), Frahn et al.
patent: 4769603 (1988-09-01), Oppelt et al.
patent: 4796635 (1989-01-01), Damoalin

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