Apparatus and method for decoupling MRI RF coil from selected bo

Details Apparatus and method for decoupling MRI RF coil from selected bo Apparatus and method for decoupling MRI RF coil from selected bo

1986-08-29

1987-10-27

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324318, 128653, G01R 3320

Patent

active

047032723

ABSTRACT:
In an MRI system, a passive conductive RF decoupling structure is disposed about a portion of the volume to be imaged but at a location which is proximate a sub-volume from which MRI RF responses are to suppressed. The passive decoupling structure may be a sheet of conductive material or a shorted loop of conductive material (preferably having a gap in conductivity bridged by RF bypass capacitance so as to suppress lower frequency eddy currents otherwise caused by changing magnetic gradient fields in the MRI system).

REFERENCES:
patent: 4374360 (1983-02-01), Sepponen

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