Emel Çetin

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In our country, in many different brands and types of ultrasound devices are used very intensely in the health sector. However, these ultrasound devices do not pass a mandatory/legal or voluntarily technical measurements /controls. In order to verify the indicated performance and safety of the ultrasonic probes that is the most important part of ultrasound(More)
In present study, temperature rise in a tissue — mimicking material induced by a HIFU (High Intensity Focused Ultrasound) transducer was examined with two different methods. In order to determine the temperature rise inside and distribution on the surface of a Tissue-Mimicking Material (TMM), T-type thermocouple (TC) temperature sensors and infrared(More)
In this survey, in order to examine the viscous heating effect of thermocouples, temperature rise due to excitation of a HIFU transducer has been measured by using two different types of T-type thermocouples embedded inside the Tissue Mimicking Material (TMM). In order to obtain the temperature values from the thermocouples more effectively, a PC-based(More)
TÜBÍTAK UME Medical Metrology Laboratory has been doing researches to develop measurement infrastructure of high level medical systems at nationwide except for radiology studies. In this context, the laboratory has been developing national phantoms for testing and quality control of ultrasonic imaging systems and has been operating to(More)
A modified radiation force balance (RFB) system was established for physiotherapy and high intensity therapeutic ultrasound (HITU) power measurements in the Medical Metrology Laboratory at the National Metrology Institute of Turkey (UME). The system was found to be highly stable up to a power level of 500 Watts. The measuring system consists of a Plexiglas(More)
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