Electricity: measuring and testing – Particle precession resonance – Spectrometer components
Reexamination Certificate
2007-08-07
2007-08-07
Arana, Louis M. (Department: 2859)
Electricity: measuring and testing
Particle precession resonance
Spectrometer components
C600S422000
Reexamination Certificate
active
11334241
ABSTRACT:
Embodiments of the subject invention can utilize a single coil structure for dual-mode operation. In a specific embodiment, a single coil structure can be used as a volume coil in the transmitting phase and as a phase array in the receiving phase. In an embodiment, a transmit coil array in accordance with the subject invention can be utilized for one or more of the following:1) parallel RF excitation on an MRI scanner equipped with a multiple-channel transmitter;2) serial RF excitation with the use of a switch system with a single channel transmitter; and3) generation of a homogeneous B1field for regular MRI with the use of a power splitter on a standard scanner. In a specific embodiment, the use of a concentric double loop coil with different tunings of inner and outer loops can be implemented. In an embodiment, the coil elements can be decoupled using the CRC mode of a concentric double loop coil. In an embodiment, a surface coil transmit array can provide better compatibility with a receive array. In a specific embodiment, an over-coupled technique can be used to improve the phase control of the transmitting pulse.
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Li Yu
Saylor Charles A.
Arana Louis M.
Invivo Corporation
Saliwanchik Lloyd & Saliwanchik
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