RF coil positioning device for MRI

Details RF coil positioning device for MRI RF coil positioning device for MRI

1990-06-20

1991-11-19

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

G01R 3320

Patent

active

050669150

ABSTRACT:
An RF coil positioning device for MRI in which a pallet of a bed unit of an MRI device is moved so that an RF coil unit mounted on the pallet is positioned at the center of a magnetostatic field of the magnetostatic field generator, includes: a coil detector provided at a predetermined position along a path of the pallet, for detecting the passage of the RF coil unit through a reference position; an encoder for detecting the distance of travel of the pallet; and control circuit for controlling the drive of the motor so that the pallet is moved until the distance of travel of the pallet after the generation of a detection signal from the coil detector and the distance from the reference position to the center of the magnetostatic field become equal to each other.

REFERENCES:
patent: 4629989 (1986-12-01), Riehl et al.
patent: 4727328 (1988-02-01), Carper et al.
patent: 4771785 (1988-09-01), Duer
patent: 4791371 (1988-12-01), Krol
patent: 4972852 (1990-11-01), Koob et al.

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