Hallowell EMC Models 2000/2002 Anesthesia Ventilator
 The Model 2000 (AV-03-0001-00) and 2002 (AV-03-0002-00) are time controlled, volume-constant, pressure limited ventilators. Easily exchangeable bellows and bellows housings minimizes the ventilators dead space contribution to the breathing system and provides better resolution of tidal volume deliveries. The change between housings can easily be made in 30 seconds. Parts in contact with the breathing system are easily accessible for cleaning and sterilization.
The Model 2002 contains a 9 turn fine needle valve regulating inspiratory flow from ~ 0 to 20 lpm. The output of this FINE control adds to the output of the original volume control making it now the COARSE control. The fine control is particularly useful in making small changes to any VOLUME adjustment or for adjusting for tidal volume deliveries less than 200 ml.
Features of 2000 & 2002
Ascending bellows design. Ventilators with older and more traditional designs have bellows that fall during exhalation. There are very significant advantages associated with a system in which the bellows rises during exhalation.
Wide range of settings. Inspiratory flow rates of 0-100 liter per minute (LPM) can be utilized over the full range of 6 to 40 breaths per minute (BPM) to the tidal volume limit of the bellows and housing in use. Using the interchangeable bellows and housings and an appropriate breathing system, tidal volumes ranging from 20 ml to 3 liters may be delivered for patients ranging from rabbits and ferrets to the not-so-small 500 lb. foal.
Economical use of supply gas. The Model 2002 is an electronically controlled time-cycled ventilator. It consumes no more supply gas than the ventilator rate, the minute volume consumption of the patient. In addition, the supply gas can be either oxygen, nitrogen, or clean dry air, a further economy.
Inspiratory hold mode. The breathing cycle may be paused at the end of the current or next inspiration for as long as the inspiratory hold button is held depressed.
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