Treaton MV200, User Manual

Page: 122 / 222

4.20 Nebulizer
4-74
Operation of the nebulizer is prohibited in the following situations:
1. Abnormal alarm conditions such as "disconnection", "occlusion". To re-enable the nebulizer
use menu of device.
2. For the volumetric mode of ventilation such inspiratory volume and time are set, that the per-
formance of the nebulizer plus the breathing gas minimum flow produced by the flow genera-
tor will result in exceeding the inspiration volume specified by the user.
3. At selection of any calibration operations in the service menu.
Features of the pneumatic spray-type nebulizer operation:
•
The inaccuracies of the displayed and set tidal volume (volume of inspiration), inspiratory
pressure, minute ventilation will exceed the values specified in the current Manual, because
that additional flow cause by the nebulizer can vary from instance to instance. Use measured
values of expiratory volume and respiratory rate indicated correctly to control the adequacy
of ventilation with the nebulizer.
•
Displayed value of the oxygen concentration in the breathing mix (blue EtO
2
) may differ from
that set on the device one (FiO
2
). This happens because the device measures and regulates
the oxygen concentration directly on the outlet of the device, and at low flow of breathing gas
from the device and additional large flow from the nebulizer, significant increasing of the set
for the normal conditions EtO
2
indication inaccuracy can occur.
•
When using the nebulizer it is recommended to disable sidestream oximeter, because the in-
gress of the medicine into the monitoring line can cause its occlusion.
•
CIRRUS 2505 nebulizer provides 74 % of particles less than 5 microns in diameter (median
of diameter is 2.75 microns) at the gas mixture flow of 8 lpm. Maximum gas mixture flow is
10 lpm.
Operation of nebulizer is possible only if the device is connected to the high
pressure oxygen line.