Build Rev 2Pump
As a field ventilator, it cannot be assumed that hospital air will be available. If available, hospital air can be delivered in place of pump air. If not, the Field Vent delivers its own. The pump we selected is a commercial aquarium pump designed for continuous duty over long spans of time. A regional hydroponics vendor told us he has deployed several of these units and operated them continuously for over a year without significant drop in performance. The unit runs on 110VAC and consumes 200 watts of power. Although it is rated at approximately 220 Liters per minute at 6.96 psi, much of that will not be delivered to patients. It will be necessary to test flow and pressure at each manifold and port, as well as bypass air flow. It is critical that air flow from the pump not be cut off, or “deadheaded.” It needs to keep moving air or it may overheat and fail. We are supplying two pumps with every unit, one as a backup. If the backup needs to be used in an emergency, it is not necessary to remove the failed pump from the enclosure. Simply unplug it, and connect the secondary pump (seconds). Move the tubing from the primary pump to the secondary. The patient vent ports will immediately begin receiving air. Then, take the time to connect the secondary pump to the intake filter.
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