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Publication 5375-001-REV-F
Operating the Pump
Connection to the Animal
The vertical slide valve has four ports (see figure below):
•
The top port (furthest from the chassis in new orientation) is the return channel from the
animal, which leaves the Pump at the port on the side. It is at this top port that expired
air can be collected or recycled.
•
The middle port is the room air/gas channel to the animal.
•
The bottom port (closest to the chassis in new orientation) is the room air or gas
mixture intake.
Note: It is important that the tubes to and from the animal be as short as possible. The new
orientation allows the animal to be as close as possible to the Ventilator for minimal dead space
in the system.
The actual connection to the animal can be either:
•
Tracheal cannula with y adapter
•
Intubation cannula with y adapter
A selection of trachael cannula and endotracheal tubes are listed in the Harvard Apparatus Catalog
and on our website www.harvardapparatus.com. It is important that the volume of tubing shared
by inspired and expired air (dead space) be kept to a minimum by having the “Y” or “T”
connector as close to the animal as possible.
CHASSIS
ROOM AIR
TO ANIMAL
ANIMAL
EXHAUST
OUT
IN
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