Wireless Tag and Reader Module Design for Automated Hand Hygiene Documentation and Reminder System in Hospitals
Keywords:
AHHDRS, Wireless Tag, Ultrasonic front end Wireless Reader.Abstract
This paper presents a design of a wireless tag and
wireless reader for the automated hand hygiene documentation
and reminder system (AHHDRS). This system addresses the
problem of healthcare associated infections mainly caused by
lack of hand hygiene among clinicians and costs $35.7-$45
billion annually in direct medical costs to the U.S hospitals alone.
AHHDRS works by creating ultrasonic hotspots with unique
Identifier which can be ultrasonically tagged into the wireless
Tag based on clinician’s movement among hotspots. Correct
movement of the clinicians with Tag among the Wash zone/Bed
zone hot spots ensures hand hygiene compliance. Tag
accumulates the compliance data and periodically transfers it to
the wireless reader through 915MHz RF link. Wireless reader
consolidates compliance data from Tags in its vicinity and sends
it to hand hygiene server through Wi-Fi link. Hand hygiene
server processes and reports compliance data and stores for
future reference.
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