As the use of HIFU in the clinic becomes more widespread there is an ever increasing need
to standardise quality assurance protocols, an important step in facilitating the wider …

Accurate and precise measurements of physico-mechanical quantities, such as Force,
Torque, Hardness, Pressure, Vacuum and Fluid Flow are extremely important and crucial in …

We have started to develop an accurate measurement technique by a calorimetric method
with the aim of setting the national measurement standards for high ultrasonic power. In a …

Total acoustic output power is an important parameter required by standards for most
ultrasonic medical equipment including high-intensity focused ultrasound (HIFU) systems …

Ultrasonic power generated by an ultrasonic transducer must be measured and declared for
the ultimate safety of patients. According to IEC-61161 radiation force balance is …

This chapter addresses the need for high-intensity focused ultrasound (HIFU or FUS)
calibration and/or quality assurance (QA), the state of the art (in terms of available …

Radiation force balance approach is universally adopted and most widely used primary
calibration method for total acoustic power radiated by an ultrasonic transducer. In this …

The results of works on the improvement of the State Primary Standard of an ultrasound
power unit in water GET 169-2005 are presented in this paper. As a result of the inclusion of …

Приведены результаты работ по совершенствованию Государственного первичного
эталона единицы мощности ультразвука в воде ГЭТ 169-2005. В результате включения …

The temperature rise that occurs when energy from the transmission of ultrasound is
absorbed in the propagation medium has been used to quantify exposure from the earliest …