72
Servo… User´s manual
English edition
Order No: 65 14 892 E313E
Infant
Adult
Universal
Options
8.3
Y Sensor
The Y Sensor is a fixed-orifice, differential
pressure sensor. It allows the pressure and
flow to be measured close to the patient’s
airway. The Y Sensor can be used in all
ventilation modes.
Important:
When using the Aeroneb
Professional Nebulizer System, the accuracy
of the Y Sensor measurement may be
compromised. Therefore, you should
remove the Y Sensor from the patient circuit
when the Aeroneb Professional Nebulizer
System is in use.
Note:
To guarantee that waveforms and
metrics are always displayed on the screen,
the internal pressure and flow sensors are at
all times active as backup. Their readings
are compared with the Y Sensor
measurement. The Y Sensor is disabled if
there is a significant deviation or
malfunction.
Note:
A Pre-Use Check or a Patient Circuit
Test is required to prior to using the Y
Sensor.
8.3.1 Y Sensor Use Guidelines
These guidelines are reminders for health
care professionals who have already been
trained to use the Y Sensor.
• The Y Sensor is intended for single-patient
use only.
• Do not insert two Y Sensor modules at the
same time. The Servo-i Ventilator System
can handle only one Y Sensor module at a
time.
• Do not apply tension to the Y Sensor
tubing.
• Make sure there are no kinks in the Y
Sensor tubing.
• If the Y Sensor is not connected to the
module, do not connect to the patient
circuit as this may cause leakage.
• Frequently check for condensed water or
other fluids in the Y Sensor. Fluids in the Y
Sensor can cause immediate loss of
accuracy or long-term drift.
• Place an HME or tube between the Y
Sensor (adult version) and the test lung to
avoid inaccurate measurements caused by
high resistance in the test lung.
8.3.2 Y Sensor Components
The two versions of the disposable, single-
use Y Sensor —Adult (1) and Infant (2)—are
shown in the figure above. The Infant sensor
includes an adaptor for use with the neonate
CO
2
adapter.
SVX-9049
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