39
Preparation and inspection
3
Attachment of accessories
Warning
Attach the accessories properly to the endoscope. Failure to do so may result in lowered
function and potential reflux or dispersal of patient’s body fluids, posing a risk of infection to
the user.
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Attachment of the air/ water feeding valve (OF- B188) and suction control valve (OF - B120)
Warning
• Ensure to apply silicone oil lubricant (OF - Z11) onto the O - ring of each valve and the
rubber seal of the suction control valve (OF - B120). Using the valves without applying the
oil or applying a silicone oil other than the specified one could deteriorate the functions
and may result in damage to the endoscope and/or patient injury.
• Attach the air/ water feeding valve (OF- B188) and suction control valve straight into
their respective valve cylinders. Inserting them into their valve cylinders at an angle may
damage valve O - rings and rubber seals.
Air/ Water Feeding Valve
(OF - B188)
Suction Control Valve
(OF - B120)
(1)
(1) O - ring
(2) Rubber Seal
Figure 3.31
1. Apply a minimal amount of silicone oil lubricant (OF - Z11) to the O - rings of the air/ water feeding
valve (OF - B188) and the O - ring and rubber seal of the suction control valve (OF - B120). In order to
apply the silicone lubricant, place a small droplet of oil onto a sterile gloved forefinger, gently swirl
the oil between the thumb and the forefinger, and apply it onto the necessary parts. Wipe off the
excess lubricant with soft gauze.
2. Attach the air/ water feeding valve to the air/ water feeding cylinder of the endoscope.
Figure 3.32
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