Magnetic resonance apparatus

Details Magnetic resonance apparatus Magnetic resonance apparatus

1991-11-26

1993-10-26

Arana, Louis

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324319, G01V 300

Patent

active

052569705

ABSTRACT:
In a magnetic resonance apparatus, a coil system is added to a gradient coil system, as a result of which a measuring field range is adapted to the geometry of an object to be examined. For example, by addition of a Bo coil system to be activated simultaneously with the z-gradient system, an asymmetry is realized in the z-gradient field, as a result of which return of disturbing resonance signals from an object part located outside the gradient field operating range is avoided. Further, by addition of additional arc conductors, the z-gradient linearity range is displaced in the z-direction.

REFERENCES:
patent: 4689591 (1987-08-01), McDougall
patent: 4878023 (1989-10-01), Overweg et al.
patent: 4878024 (1989-10-01), Overweg et al.

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