Wireless RF module for an MR imaging system
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United States of America Patent
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N/A
Issued Date -
Nov 6, 2003
app pub date -
May 2, 2002
filing date -
May 2, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a system and method wirelessly transmitting MR signals from receive coils of an RF coil assembly to a remotely located receiver system. By utilizing wireless telemetry, ghosting, SNR problems, and standing waves on shields typically associated with cabled receive coils are avoided. Furthermore, by incorporating a rechargeable battery in place of DC cables, the coaxial cable conducting large currents can be eliminated. The present invention incorporates a transmitter that transmits a modulated MR signal to a receiver at the end of the bore of the magnet of the MRI system. Modulating the MR signals with a carrier frequency enables wireless transmission of the modulated signal to the remote receiver. Preferably, the modulated signal is transmitted using a 900 MHz carrier frequency. The receiver then demodulates the received signal and transmits the resulting signal to a system control for subsequent processing and image reconstruction.
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