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Compared with adults, children are at greater risk of having a high fever and must take multiple temperature measurements overnight. If the staff uses a handheld thermometer, the child is likely to be awakened, so the child’s risk of fever will also increase. In order to ensure the sleep quality of pediatric patients and ensure the frequency and accuracy of temperature measurement, Hong Kong Union Hospital has installed a set of radio frequency identification system —- SmartSense provided by Singapore RFID company Cardi Technology. The SmartSense solution includes a temperature-sensing RFID tag worn on the patient’s abdomen, an RFID reader mounted on the wall, and SmartSense software for storing data.
Hong Kong Union Hospital can accommodate a total of 400 beds, and a pediatric ward can accommodate up to 54 patients. Previously, nurses used hand-held thermometers to monitor the body temperature of each child. With the RFID system in place, not only can it automatically collect patient temperature data in real time, the system can automatically alarm if the temperature exceeds the set threshold, and it can predict the trend of temperature changes.
The Cardi TSS 800 active ultra-high frequency (UHF) RFID sensor is shaped like a disk with a width of about 1 inch and is attached to the patient’s abdomen with medical tape. The temperature sensing device is powered by a lithium battery and measures temperature data every 30 seconds. The temperature and RFID coded data are sent to the SmartSense enterprise management software through the Cardi SMN 800 reader/writer installed on the wall.
The signal reading range of the RFID temperature sensor is 10-20 meters. In order to cover the readable range of tags, this hospital installed a total of 27 RFID readers.
In December 2011, Ren’an Hospital deployed the plan. At present, the SmartSense system has become a powerful assistant to nurses, greatly reducing the workload of nurses and improving the nursing experience of patients. Especially at night, patients can get a normal rest time. Similarly, Tan Tock Seng Hospital in Singapore also uses the RFID temperature sensing technology to measure the temperature of patients.
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