MIETHKE proGAV 2.0 XABO Instrucciones De Manejo página 26

| INSTRUCTIONS FOR USE
adjustable range in Fig. 6. The opening pres-
sure of the proGAV 2.0 can thus be infinitely
variably adjusted from 0 up to 20 cmH O.
To prevent reading the pressure level in reverse,
the valve is fitted with a valve marking on one
side, which appears black in the X-ray image
– in a top view onto the implanted valve as in
Fig. 5, the recess is visible on the right-hand
side.
SA 2.0
The pressure levels of the gravitational unit can
be identified post-surgically by the coding:
10 cmH O
15 cmH O
20 cmH O
25 cmH O
30 cmH O
35 cmH O
The following diagrams show the pressure-flow
characteristics for the the proGAV 2.0 XABO.
The opening pressure refers to a reference flow
of 5 ml/h. For flow rates of 20 ml/h, stated
pressures are approx. 1–2 cmH O higher. The
supplied XABO catheters do not fundamentally
change the pressure-flow characteristics.
The pressure flow characteristics for the
adjustable differential pressure unit of the pro-
GAV 2.0 XABO are shown below as an example
for the pressure settings of 0, 10 and 20 cmH O
in the horizontal valve position.
26
Fig. 7: Pressure-flow characteristics for selected pres-
sure levels of the adjustable differential pressure unit
pressure (cmH O), flow rate (ml/h)
In the vertical body position, the opening pres-
sure of the proGAV 2.0 is composed of the set-
ting of the adjustable differential pressure unit
and the gravitational unit. The pressure flow
characteristics for various pressure levels in the
vertical body position are shown below:
proGAV ® 2.0 XABO ®