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Chapter 3 Preparation and Inspection
ULTRASOUND GASTROVIDEOSCOPE GF-UCT180
Figure 3.5
3.3 Preparation and inspection of accessories
Clean and disinfect or sterilize the air/water valve, suction valve, biopsy valve as
described in Chapter 7, “Cleaning, Disinfection, and Sterilization Procedures”.
Inspection of the air/water and suction valves
• Confirm that the top hole of the air/water valve is not blocked
(see Figure 3.7). If the hole is blocked, air is fed continuously
and patient pain, bleeding, and/or perforation can result.
• If the hole is blocked, replace it with a new one.
• If the air/water valve seals have excessive scratching and/or
tears, body cavity pressure could cause patient fluids to flow
into the air channel or water channel from the air/water
nozzle, which could lead to channel clogging.
Using an endoscope with a clogged channel could pose an
infection control risk.
If the air/water valve seals have excessive scratching and/or
tears, replace it with a new one.
Forceps elevator
Elevator control lever
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