Mindray DP-50 Exp Vet, Руководство оператора

Страница: 230 / 343

14-6 Acoustic Output
14.8 Measurement Uncertainty
Acoustic Quantities Total Uncertainties (Standard)
Power 31.97% for non-scan modes; 18.98% for scan modes.
Frequency 0.22%
Pressure 15.79%
I
ta
31.97% for non-scan modes; 32.35% for scan modes.
I
pa
31.98%
Mechanical Index 15.79 %
Non-scan Modes Scan-Modes
Total Uncertainty for TIS 31.97% 18.98%
Total Uncertainty for TIB 31.97% or 22.61% 18.98%
Total Uncertainty for TIC 31.97% 18.98%
14.9 References for Acoustic Power and
Safety
1.
“Bioeffects and Safety of Diagnostic Ultrasound” issued by AIUM in 1993
2.
“Medical Ultrasound Safety” issued by AIUM in 1994
3. Marketing Clearance of Diagnostic Ultrasound Systems and Transducers, June 27,
2019. Center for Devices and Radiological Health.
4. Medical electrical equipment-Part 2-37: Particular requirements for the basic safety and
essential performance of ultrasonic medical diagnostic and monitoring equipment issued
by IEC in 2015
5. IEC 62359, Ultrasonics-Field characterization-Test methods for the determination of
thermal and mechanical indices related to medical diagnostic ultrasonic fields, 2017.