Coil system for magnetic resonance imaging

Details Coil system for magnetic resonance imaging Coil system for magnetic resonance imaging

1987-07-20

1988-08-30

Levy, Stewart J.

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

324322, G01R 3320

Patent

active

047679930

ABSTRACT:
A coil system for magnetic resonance imaging in a magnetic resonance imaging system, used to transmit the excitation pulse and to receive the magnetic resonance signals, includes a first coil for transmitting a predetermined high-frequency pulse, second and third coils, arranged on a propagation path of the magnetic resonance signal at a position closer to the object to be examined than the first coil in directions orthogonal to each other, for receiving the magnetic resonance signals, and a pair of tuning elements, respectively provided in association with the second and third coils, for tuning the second and third coils to predetermined magnetic resonance signals. The tuning elements tune the second and third coils slightly offset from accurate tuning points so that voltage phases of the magnetic resonance signals received through the second and third coils coincide with each other.

REFERENCES:
patent: 3427532 (1969-02-01), Nelson
patent: 3771055 (1973-11-01), Anderson
patent: 4449097 (1984-05-01), Young et al.
patent: 4665368 (1987-05-01), Sugiyama et al.

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