Radio frequency coil for open magnetic resonance imaging system
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United States of America Patent
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Aug 20, 2002
Grant Date -
N/A
app pub date -
Dec 6, 1999
filing date -
Dec 6, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A quadrature coil suitable for use with an open frame MRI system provides crossing pairs of arrays of parallel conductor elements, respectively. Compact configuration is provided through use of an isolating circuit for incorporating parasitic capacitances at the resonance frequency of the coil into a blocking parallel resonance. Termination of the parallel conductor elements may be accomplished by equal impedance node connectors formed from branching pairs of conductors or a triangular least resistance connection form. RF shields are provided by pairs of conductive sheets containing eddy current reducing slots aligned with the parallel conductors elements of the coil.
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