10 Appendix
10.3 Expiratory assembly cleaning protocol
Disassembly
1.
Disassemble the patient circuit by removing its components: pipes, fittings, water traps, and Y-
piece.
2.
Remove the expiratory assembly from its housing by pressing the eject pushbutton.
3.
Disassemble the expiratory assembly according to the diagram below:
4.
Remove the expiratory flow hot wire sensor
(1)
, the valve body
(2)
.
5.
Remove and dispose of the membrane
(3)
.
CAUTION:
The membrane of the expiratory unit is a single use product.
6.
Do not remove the two seals from the valve body
(2)
.
CAUTION:
The flow sensor requires special precautions:
•
Avoid inserting any object into the flow sensor,
•
Avoid exposing it to a jet of water or air,
•
Avoid impacts or dropping it.
Pre-disinfection / cleaning
1.
Immerse the expiratory assembly components in a pre-disinfectant solution.
Note:
Air Liquide Medical Systems recommends the use of products: neodisher Multi-
Zym, Anios Clean Excel D (obey the instructions of the product manufacturer).
2.
Rinse the parts under running water, except for the expiratory flow sensor
(1)
, which should only
be dipped in water.
3.
Leave the components to dry on absorbent paper.
Disinfection: prion cycle 134 °C/18 min
CAUTION:
Disinfection must be carefully performed by a qualified employee.
Condition the components removed from the expiratory assembly before the procedure.
CAUTION:
The expiratory valve (except the membrane) can tolerate 50 disinfection cycles.
The membrane is a single use product.
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