Installing the flow sensor
EVE measures pressure and flow via the flow
sensor (PNT). The measurement is taken
proximally between the Y-piece and the tube
connector. For this purpose, a flow sensor
head is fitted between the two parts.
The di erential pressure resulting from the
flow sensor head‘s resistor is a measure of
the volume flow. Separate flow sensors are
available for adults and children.
The flow sensor is connected between the
expiration valve and the endotracheal tube
(ETT). The images show the additional
connection of a bacterial
filter.
Flow sensor connection with proximal expiration valve
Flow sensor connection with distal expiration valve
Turn the flow sensor measurement line
connectors upward to prevent conden-
sate from entering the
measurement lines.
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