Investigation of an Optimal Time and Distance for Temperature Measurement of Short Wave Diathermy

Endang Dian S, Lamidi .


Location of the temperature measurement and finding the optimum time were essential in the usage of short wave diathermy (SWD) unit. Therefore, the purposeof this study is to investigate the optimallocation and time for SWD exposure. To perform this study, an artificial human body tissue (phantom) which is mimetic to a human arm was developed. The phantom was built with a dimension of 25 cm x 15 cm x 4 cm (lenght, width and high). To find the optimum time and location of exposure, four temperature sensors were placed at the difference location atthe phantom.The phantom was placed in the varies distance from 30cm to 50cm from SWD unit. This was to obtain the optimum location for exposure of SWD. The results showed that the highest temperature were obtained at the distance of 30cm with temperature of 39.14oC. At the distance of 50cm, the temperature was distributed at the optimal time of 15 minute and temperature of 32.16oC. At the distance of 40cm, it was obtained that the temperature was distributed at 36.7oC.  The average temperature from four different sensors at the location of 30 cm, 40 cm and 50 cm were 39.1oC, 37.1oC and 32.65oC respectively. This work showed that the phantom temperature in the SWD exposure were effected by the location of the object from the SWD unit.

Keywords: temperature sensors, phantom tissue

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