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Chapter 4 Inspection
HIGH FLOW INSUFFLATION UNIT UHI-4
4.4 Inspection of the insufflation tube (MAJ-590) and
suction tube (MAJ-591)
• Always use the provided insufflation tube and suction tube or
the recommendation disposable tubes. Using any other tube
will not only impair performance, but may lead to incorrect
operation.
• If the external package of the disposable tube is opened or
damaged noticeably, the sterilization of the gas line may not
be maintained. Do not use such a disposable tube to prevent
infection.
• Do not modify the tube by cutting or splicing it. Otherwise, the
expected performance may not be manifested and
malfunction may also result.
• To prevent cross-contamination from the backflow of body
fluids (e.g., blood) when the relief mode is activated, a
disposable filter is necessary. The type of filter is PALL
OR01H (0.2 m, hydrophobic) or equivalent filters; contact
Olympus for further details. Even if the relief mode is not
activated, Olympus highly recommends the use of a
disposable filter.
• If the tubes are damaged, replace with new tubes.
• If water drops remain on/inside the tubes, they may cause
damage to internal sensors (e.g., short circuit) or cause an
electric shock. Dry the tubes thoroughly before use.
• Sterilize the insufflation and suction tubes before each use.
1. Inspect the tubes and connectors for scratches, cracks, or other damage.
Discard and replace any damaged equipment.
2. Confirm that the tubes and connectors are dry.
3. Before removing the filter from the package, inspect the package for
damage. If the package has been previously opened or torn, or if the end
caps are loose, do not use the filter, as the internal lumen of the filter may no
longer be sterile. DO NOT ATTEMPT TO STERILIZE.
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