Abstract
Main symptoms found in patients with same diseases as for example COVID-19 is febrile. The infrared thermography (IRT) represents a fast measurement in case of screening in public places. One of the limitations of IRT is the resolution of sensor, which has close connection with the distance between camera and ROI. To maximize the effectivity of resolution of the camera is to reduce the distance from the object. The aim of presented study showed the possibility how to protect the camera or medical staff that operates the device against potential infection or contamination from the person with infection. Two protective foils of different thickness (40μm; 9μm) were tested as a barrier between the IRT and the ROI (black body model and human face). Even though the results have shown that the transparent foils decrease linearly the measured value of the temperature, it can be used as a protective barrier between IRT and the object if an appropriate recalculation is done during analysis of IRT images. Results are acceptable in the case of 9μm foil especially. The authors see this possibility as a minor concession from IRT standards but as a great help in health protection. The transparent foil can be used as protective barrier of the infrared camera.
Highlights
Infrared thermography (IRT) is a non-invasive, contactless method for the measurement of surface temperature
We looked for an alternative simple way to protect the IRT staff operator and the IRT device from infection and contact with potential danger
The object with defined emissivity and various temperatures was monitored by the IRT camera
Summary
Infrared thermography (IRT) is a non-invasive, contactless method for the measurement of surface temperature. Low operational costs, speed of the examination and no radiation hazard for both the patient and medical staff are its main advantages Because of these benefits, IRT can be applied in various medical fields including neurology [1, 2], rheumatology [3], dermatology [4, 5], sports medicine [6,7,8], dentistry [9, 10] and diabetology [11,12,13], especially in wound healing monitoring [14,15,16]. IRT fever screening devices were installed in places with a large concentration of people, typically in airports. The selection of suitable temperature measurement area on human body as well as technical parameters of the used IRT device and its positioning relative to the person being measured play an important role in correct measurement of temperature of the human body
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