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effects.
When obtaining clinical information, the user should perform the ultrasonic inspection
procedure with the lowest output level and irradiation time according to the principle of small size
(ALARA) when a satisfactory clinical diagnosis map is available.
1.10 Safety Statement
Although it has been proved that ultrasonic frequency, intensity, and radiation time have
no harmful biological effects on scanning, we recommend that please use the lowest sound output
setting in order to produce satisfactory diagnostic information.
See Appendix A for acoustic output data of this device.
1.11 Biological Effect
Recently,With the rapid development of ultrasonic diagnostic technology, people are
more and more concerned about the biological effects of potential risks which may be resulted by
the application of ultrasound and diagnostic techniques. So far, it is generally believed that
ultrasound diagnosis is safe. There have also been no reports of any human injury caused by
ultrasound. In spite of that, we can not arbitrarily believe that all of the ultrasound is absolutely
safe, because some researches have confirmed that high-intensity ultrasound is detrimental to
human tissue.