WM 67851 01/2021
MEDUVENT Standard EN 53
5 Function check
18. Switch off the device.
19. Disconnect the test lung from the breathing circuit.
Result The function check is complete.
5.4 Checking reusable breathing circuit
Requirements The patient valve of the reusable breathing circuit has been
disassembled (see “7.3.1 Disassembling the reusable breathing
circuit”, page 74).
1. Check all parts of the patient valve for external damage.
2. If necessary: Replace damaged parts.
3. Check the PEEP control diaphragm and check valve diaphragm.
If a diaphragm is torn, corrugated, distorted or sticky: Replace
the diaphragm.
4. Assemble the reusable breathing circuit (see
“7.3.2 Assembling the reusable breathing circuit”, page 77).
5. Check the system for leaks with a new function check.
Result The reusable breathing circuit has been tested.
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