OERTLI OS 4 - Page 140

Functional Test
OS 4
VV016042, 2021-03-23 / Rev. 09
6.
Venturi pump system
Insert cassette, connect I/A tubes, connect infusion tube to filled infusion bottle or immerse in liquid.
OK
6.1
Select I/A function, Venturi pump system. Press PREOP key.
PREOP 0-100 %,
duration approx. 1 min.

Notice: _____________________________________________________________________________
6.2
Generate occlusion with I/A values from surgeons‘ memory.
Reaches set values

Notice: _____________________________________________________________________________
6.3
Generate occlusion with 100 % Venturi effect and 500 mmHg vacuum.
Reaches maximum values in
approx. 3 s

Notice: _____________________________________________________________________________
6.4
Hold occlusion and get pedal to neutral position.
Pressure is decreased

Notice: _____________________________________________________________________________
7.
Peristaltic and Speep
®
pump system
Insert cassette, connect I/A tubes, connect infusion tube to filled infusion bottle or immerse in liquid.
OK
7.1
Select I/A function, peristaltic pump system.

Notice: _____________________________________________________________________________
7.2
Generate occlusion with I/A values from surgeons‘ memory.
Reaches set values

Notice: _____________________________________________________________________________
7.3
Generate occlusion with a maximum of 60 ml / min flow and 500 mmHg
vacuum.
Reaches maximum values in
approx.< 2.5 s

Notice: _____________________________________________________________________________
7.4
Hold occlusion and get pedal to neutral position.
Peristaltic pump is lowering
pressure

Notice: _____________________________________________________________________________
7.5
Aspirate until cassette filling level of approx. 50 % is displayed. Release
pedal.
Displayed filling level _____ %

Notice: _____________________________________________________________________________
7.6
Remove cassette.
Pump wheel is turning in such a
way that two rolls are visible
above each other

Notice: _____________________________________________________________________________
7.7
Check the liquid level inside the cassette.
The cassette is less than half
full

Notice: _____________________________________________________________________________
7.8
Insert cassette again.
Filling level analog 7.5

Notice: _____________________________________________________________________________