Cellular architecture and data transfer methods for real time patient monitoring within medical facilities
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United States of America Patent
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Aug 10, 2004
Grant Date -
Sep 20, 2001
app pub date -
Jan 24, 2001
filing date -
Nov 13, 1995
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A real time patient monitoring system uses a cellular architecture to monitor ECG signals and other physiologic data of patients, including ambulatory patients. The system includes wireless telemeters that attach to and transmit the physiologic data of respective patients. The telemeters communicate bi-directionally with ceiling-mounted RF transceivers, referred to as 'VCELLs,' using a wireless TDMA protocol. The VCELLs forward packets of physiologic data received from the telemeters to patient monitoring stations on a LAN. The VCELLs are spatially distributed throughout the medical facility to provide multiple cells or zones of coverage. As a patient moves throughout the medical facility, the patient's telemeter connects to, and disconnects from, specific VCELLs to maintain connectivity to the LAN. The telemeters and VCELLs also implement a patient location tracking process for monitoring of the locations of individual patients.
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