Gradient coil apparatus and magnetic resonance imaging apparatus

Details Gradient coil apparatus and magnetic resonance imaging apparatus Gradient coil apparatus and magnetic resonance imaging apparatus

1997-02-03

1999-04-06

Arana, Louis M.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

1286535, G01N 300

Patent

active

058923594

ABSTRACT:
An active shield type gradient coil apparatus comprises main coils for generating a gradient magnetic field and shield coils for generating a magnetic field to reduce the leak magnetic field from the main coils. In the active shield type gradient coil apparatus, a stimulation output section for outputting stimulation to a subject is incorporated. In this incorporation, the main coils are arranged at the outside of an area sandwiched between the stimulation output section and the subject such that the simulation can be transmitted to the subject from the stimulation output section without being blocked by the main coils. By this arrangement, both the use of the active shield type as the gradient coil apparatus and good transmission of stimulation to the subject can be realized.

REFERENCES:
patent: 5574373 (1996-11-01), Pausch et al.
patent: 5576623 (1996-11-01), Muller
patent: 5585724 (1996-12-01), Morich et al.
patent: 5627470 (1997-05-01), Kuth

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