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Instruction for use Ventrain
Required additional material
•
High pressure oxygen supply (3,5 – 5,0 bar, 100%):
- medical oxygen cylinder with flow regulator. A full 2 liter
cylinder generally contains 400 l oxygen (uncompressed);
at a flow of 15 L/min this provides for 20 minutes of Ventrain
ventilation.
- medical oxygen supply system with pressure compensated flow
regulator with a maximum flow between 10 and 15 L/min.
•
Suitable catheter (Table 1)
Table 1: attainable minute volumes and proposed I:E ratios for
recommended catheter dimensions in different situations.
patient
catheter
group/
type
situation
transtracheal
healthy
adult
patient
endotracheal
paediatric
patient
collapsed
bronchial
adult lung
blocker
6
®
set
catheter
inspiration
ID (mm)
flow (L/min)
15
2.0
15
2.3
15
3.0
6
1.6
6
1.7
minute
length
I : E
volume
(cm)
ratio
(L/min)
7
1 : 1.1
40
1 : 0.9
100
1 : 1.0
40
1 : 1.7
78
1 : 2.5
®
7
7.5
7
2
1.5
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