Olympus EVIS EXERA II - Page 259

Appendix E: Acoustic Output Information Accordance with IEC 60601-2-37
253
ULTRASOUND GASTROVIDEOSCOPE GF-UCT180
Transducer Model:
GF-UCT180
Operating Mode:
B/Bflow/D-mode
Table 101 – Acoustic output reporting table
Index label MI
TIS TIB
TIC
Scan
Non-scan
Non-
scan
A
aprt
≤1cm
2
A
aprt
>1cm
2
Maximum Index Value 0.88 – 0.50 – 1.6 0.90
Associated
acoustic
parameters
p
r, α
(MPa) 2.0
P (mW) –14 15 14
Min of [P
α
(z
s
), I
ta,α
(z
s
)]
(mW)
–
z
s
(cm) –
z
bp
(cm) –
z
b
(cm) 0.37
z at max. I
pi,α
(cm) 1.4
d
eq
(z
b
)
(cm)
0.18
ƒ
awf
(MHz) 5.3 – 7.5 – 5.3 5.2, 5.4
Dim of A
aprt
X(cm) – 0.74 – 0.31 0.22
Y(cm)
– 0.50 – 0.50 0.50
Other
information
t
d
(µsec) 0.47
prr (Hz) 11800
p
r
at max. I
pi
(MPa) 2.5
d
eq
at max. I
pi
(cm) 0.16
I
pa,α
at max.MI
(W/cm
2
)
209
Focal Length FL x(cm) –2.7– 0.27
FL
y
(cm) –1.0– 0.84
Operating
control
conditions
DVA% (%) 100 – 100 – 92 100
Function CHE B – Off – CHE A Std CHE A Std
B/W Frequency Select (MHz) 4.7 MHz – 5 MHz – 5.4 MHz 4.3 MHz
B/W Focus F5 – F16 – F1 F15
B/W-Range (cm) 4.0 – 4.0 – 10.0 4.0
B/W Line Density HIGH – HIGH – HIGH HIGH
B/W Scan Area (%) 25 – 25 – 25 25
Doppler Image Select PENET – PENET – STD STD
Doppler Frequency Select (MHz) 5 MHz – 7.5 MHz – 5 MHz 5 MHz
Doppler Focus F2 – F8 – F2 F1
Doppler Velocity Range (cm/sec) 106 – 53.1 – 93.8 133
Color Image Select PENET – PENET – STD STD
Color Doppler Frequency Select (MHz) 5 MHz – 5 MHz – 3.75 MHz 5 MHz
Flow Focus F5 – F16 – F16 F15
Color Velocity Range (m/sec) 0.33 – 0.25 – 0.33 0.33
Color Line Density LOW – LOW – LOW LOW
Color Average HIGH – HIGH – HIGH HIGH
Flow Filter #4 – #4 – #4 #4
Flow Scan Area (%) 20 – 20 – 20 20
Triplex Velocity Range HIGH – HIGH – HIGH HIGH
NOTE1 Data should only be entered in one of the columns related to TIS.
NOTE2 Information need not be provided regarding TIC for any TRANSDUCER ASSEMBLY not intended for transcranial or
neonatal cephalic uses.
NOTE3 If the requirements of 201.12.4.2a are met, it is not required to enter any data in the columns related to TIS, TIB or TIC.
NOTE4 If the requirements of 201.12.4.2b are met, it is not required to enter any data in the columns related to MI.
NOTE5 Focal Length is a NOMINAL value.