
164
Appendix D: Acoustic Output Information Accordance with IEC 60601-2-37
ULTRASONIC BRONCHOFIBERVIDEOSCOPE BF-UC180F
Acoustic measurement uncertainty
Spatial-peak temporal-average intensity
Attenuated spatial-peak temporal-average intensity
Mechanical index
Output power
Attenuated output power
Bounded output power
Pulse pressure squared integral
Peak-rarefactional acoustic pressure
Attenuated peak-rarefactional acoustic pressure
Pulse repetition rate
Thermal index
Bone thermal index
Cranial-bone thermal index
Soft-tissue thermal index
Pulse duration
–12 dB output beam dimensions
Distance from the source to a specified point
Depth for TIB
Break-point depth
Depth for TIS
Quantity
Uncertainty (95% confidence)
Total power
8.07%
PII
12.87%
Pr
7.63%
Fc
2.39%
I
zpta
(z)
I
zpta
,
( z )
MI
P
P
1
P
i
p
r
p
r
p
,
prr
TI
TIB
TIC
TIS
td
X Y
,
z
zb
zbp
zs
Содержание BF UC180F
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Страница 76: ...Chapter 4 Operation 69 ULTRASONIC BRONCHOFIBERVIDEOSCOPE BF UC180F Figure 4 5 Figure 4 6...
Страница 181: ...174 Appendix D Acoustic Output Information Accordance with IEC 60601 2 37 ULTRASONIC BRONCHOFIBERVIDEOSCOPE BF UC180F...