OPRHT70 A0310
8-3
Cleaning and Maintenance
8
disinfected exhalation valve (and humidifier/probe assembly if
appropriate) when a breathing circuit is reassembled for patient use.
Clean and disinfect in accordance with the instructions provided by
the manufacturer.
Caution: To avoid damage to a reusable circuit, attach and detach
the circuit by grasping the cuffs at the end of the circuit tubing. Do
not pull or twist the circuit tubing.
General Cleaning Instructions: Use a low flow of running water or
low flow of air to clear tubings and passages of organic matter.
Wash all components of the breathing circuit with a soft brush. Rinse
thoroughly with sterile, distilled water. Shake off excess water and
place all parts on a clean towel to air dry. (Do not heat or blow dry.)
Always follow the instructions provided by the manufacturer.
Disinfect: Refer to the instructions provided by the breathing circuit
manufacturer.
Sterilize: Refer to the instructions provided by the breathing circuit
manufacturer.
Air Intake Filter
The Air Intake Filter, located on the right side of the ventilator behind
the Filter Cover, keeps dirt and particles out of the ventilator’s piston
system and patient gas pathway. As the filter becomes dirty it can
reduce the volume of air drawn into the ventilator. Check the Intake
Filter weekly. Replace with a new filter when the majority of the filter
surface area is no longer white. Intake Filters are not reusable.
WARNING NEVER operate the HT70 without a clean Air Intake Filter
in place. NEVER reverse the Air Intake Filter when dirty.
Proximal Inline Filter (p/n HT6004701 or equivalent)
Check the Proximal (Prox) Inline Filter weekly and replace it at least
every 3 months. Discard it and replace with a new filter if it appears
to have gotten wet or come in contact with a contaminant. Proximal
Inline filters are not reusable. If the filter becomes occluded, replace
the filter. The primary indication for this would be a Low Pressure
Alarm or Prox Line Alarm.
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