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http://dx.doi.org/10.9718/JBER.2015.36.3.69

A Study on Effectiveness of Application of the IEC 61689 Standard to Ultrasonic Physiotherapy Systems with Frequency Range over 5MHz  

Youn, Ju-Shin (Medical Device Evaluation Center, Korea Testing Laboratory)
Choi, Gi Sang (Dept. of Electrical and Computer Engineering, University of Seoul)
Publication Information
Journal of Biomedical Engineering Research / v.36, no.3, 2015 , pp. 69-78 More about this Journal
Abstract
Ultrasonic physiotherapy systems should comply with IEC 60601-2-5(particular requirements for safety of ultrasonic physiotherapy equipment) standard for safety of patients and clinical performances. One of the most important parameters in the standard is the effective radiating area ($A_{ER}$). It has to be measured in accordance with IEC 61689 (field specifications and methods of measurement in the frequency range 0.5MHz to 5MHz). Typical ultrasonic physiotherapy system works in the frequency range 1MHz ~ 3MHz to comply with the IEC 61689. However, ultrasonic physiotherapy system using frequencies over 5MHz is out of the IEC 61689's scope. That is, even if such ultrasonic physiotherapy systems are developed by demands of the market, there is no standard to apply. It is the motivation for this study. Whereas there are other parameters to be considered, this study focuses on the effective radiating area and shows effectiveness of applying IEC 61689 in measuring effective radiating area of ultrasonic physiotherapy systems using frequency range over 5MHz by comparing the results of computer simulation and experiment. Results of this study shows that applying the IEC 61689 standard to ultrasonic physiotherapy system using frequency range over 5MHz is possible.
Keywords
ultrasonic physiotherapy system; effective radiating area; IEC 61689;
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