Olympus BF-UC180F - Page 87

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Chapter 6 Compatible Reprocessing Methods and Chemical Agents
ULTRASONIC BRONCHOFIBERVIDEOSCOPE BF-UC180F
 Parameters for 100% ethylene oxide gas sterilization
cycles
 Parameters for 20% ethylene oxide gas/80% CO
2
gas
sterilization cycles, for countries other than the USA
Process phase Parameter Value
Sterilization Temperature
55
C (130F)
Vacuum
(Absolute pressure)
0.05 – 0.07 MPa
(7.25 – 10.15 psia)
Relative humidity 50 – 80%
Ethylene oxide gas
concentration
0.735 – 0.740 mg/cm
3
(735 – 740 mg/L)
Exposure time 60 minutes
Aeration Minimum aeration
parameters
12 hours in an aeration chamber at
50 – 57
C (122 – 135F) or 7 days at
room temperature
Table 6.2
Process phase Parameter Value
Sterilization Temperature
57C (135F)
Relative pressure 0.1 – 0.17 MPa
Relative humidity 55%
Ethylene oxide gas
concentration
0.6 – 0.7 mg/cm
3
(600 – 700 mg/L)
Exposure time 105 minutes
Aeration Minimum aeration
parameters
12 hours in an aeration chamber at
50 – 57
C (122 – 135F) or 7 days at
room temperature
Table 6.3