Safety Notes

102
Annual Inspection
en
of fluid.
Laparoscopy indication
After 1 minute, press the [STOP] function field and the stop key of the stop-
watch at the same time. The measuring cup then contains approx. 1 l (±10 %)
of fluid.
The basic function test has been successfully completed once these values have
been reached.
16.3 Pressure Measuring Test
The layout of the test and its setup are depicted in Fig. 16-2 "Setup of pressure
measuring test".
The pressure measurement test checks the proper functioning of the pressure
measurement. This test requires a complete tube set and a container filled with
water. The height of the water column (hydrostatic pressure) is used for measur-
ing and is then converted to mm mercury column (mmHg). The height of the wa-
ter column above the pressure chamber has to match the value of the actual
pressure display after conversion.
Conversion formula: p (cm H2O) x 0.74 = p (mmHg)
1. Switch device on. Wait until the device check has finished.
2. Select one of the possible indications. If you have selected the arthroscopy in-
dication, then press the [Knee] function field to access the arthroscopy screen
display.
3. Press the [START] function field. Wait until the tube set is completely filled
and bubble-free.
Important: The tube set behind the roller wheel must be filled completely
with fluid.
4. Press the [STOP] function field.
5. Press the [User menu] symbol. The user menu opens.
6. Press the [Service] function field.
7. Press the [Pressure sensor test] function field.
8. Hold the end of the completely filled instrument tube at the height of the
Fig. 16-2 Setup of pressure measuring
test
h
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