Clinical Trial of Wireless Epidermal Temperature Sensors: preliminary results

Abstract

Body temperature is one of the most effective biometric indicators revealing the health conditions of a person. Wireless wearable sensors may completely change the way the body temperature is collected, stored and hence processed. Very recently, the authors developed battery-less low cost wireless thermometers by using the paradigm of the emerging Epidermal Electronics technology. Such devices are suitable to placement over the skin like a plaster or a tattoo and are compatible with the UHF Radiofrequency Identification (RFID) standard. Their potential application in clinical usage is here discussed by the help of volunteers at the University Hospital of Roma Tor Vergata. The experimental study is aimed at understanding the robustness of the sensor output versus the measurement procedure, the positioning over different body parts and several patients. Early results of the on-going clinical trial revealed that the variance of RFID sensors is comparable with that of tympanic thermometer. The required compensation offset resulted rather patient-specific and can even vary for a same user along different days. Nevertheless, the on-chest placement is likely to mitigate this uncertainty.

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