Dräger Babylog VN500 Instructions For Use Manual page 67

Starting the breathing circuit check
Prerequisite: The System check (A) page is
opened.
1 Touch the Breathing circ. check (B) tab.
Start/Standby
A
D
E
F
C
The values of the last test are displayed (C). If a val-
id measurement has not yet taken place, the stan-
dard values are displayed.
2 Touch the Start (D) button.
3 Confirm with the rotary knob.
4 When requested by Babylog VN500 in the in-
struction field (E): seal the Y-piece or the neona-
tal flow sensor Y-piece, e.g., with a sterile glove.
Confirm with OK (F).
5 When requested, open the Y-piece or remove
the neonatal flow sensor Y-piece. Confirm with
OK (F).
The current leakage flow is displayed continuously
throughout the test. A leakage flow up to
300 mL/min at a pressure of 60 mbar (60 cmH
is permissible.
After the leak test, Babylog VN500 determines the
compliance and the inspiratory and expiratory re-
sistance of the breathing circuit.
When changing the breathing circuit and type of hu-
midifier, Babylog VN500 automatically resets the
values for hose compliance and hose resistance to
default values. When using Infinity ID breathing cir-
cuits, the default values of the breathing circuit de-
tected are used. The leakage measurement be-
comes invalid.
Instructions for Use Infinity Acute Care System – Babylog VN500 SW 2.n
When the patient category is changed, the breath-
ing circuit that was last used in this category is se-
lected and the corresponding values for hose com-
pliance and hose resistance are used.
The leakage measurement becomes invalid when
a new patient is admitted to the same patient cate-
gory. The values for hose resistance and hose com-
pliance are retained.
It is recommended to perform the breathing circuit
check before commencing patient ventilation with a
B
newly started device.
Aborting the breathing circuit check
Start/Standby
1 Touch the Cancel (G) button.
2 Confirm with the rotary knob.
The leakage measurement becomes invalid. The
values for hose resistance and hose compliance
are reset to the default values.
O)
2
Repeating the breathing circuit check
If the breathing circuit is changed after the breath-
ing circuit check, the humidification type or the pa-
tient category is changed, the breathing circuit
check will have to be repeated.
The breathing circuit check is also necessary when
using Infinity ID breathing circuits.
Getting Started
G
67