Hallowell 2002 IE Pro 300-1600 ml Ventilator
The Hallowell 2002 Pro is an electronically controlled, time-cycled, pressure-limited ventilator. A single fine volume control valve turns a total of nine and a half times. The first two and a half turns use the slight, minute changes for pediatric animal patients, and the remainder of the rotations are for use with the adult and extra-large bellows and housings.
A low supply gas pressure alarm will sound when the supply gas pressure falls below 35 psi, 2.4 bar and stops around 42 psi. The normal supply gas operating pressure is 50 psi or 3.5 bar. It is not until 35 psi or 2.4 bar that the ventilators delivered volume will begin to drop off proportionally with the waning supply pressure.
Available on all 2002 models is the option of having an adjustable I:E ratio control. Normally, without this option, the I:E ratio is fixed at 1:2, that is, 1/3 of the period of each breath is inspiration and 2/3 of each breath is exhalation. Regardless of the respiratory rate, the animal patient will always have 2/3 of the cycle to exhale. This I:E ratio can also be adjusted to a fixed value other than 1:2 at no extra charge.
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Electronic control – Eliminates the substantial driving gas required to operate pneumatically controlled ventilators.
Time cycled – Ensures consistently spaced breaths. The possibility of stacking breaths or auto-PEEP is eliminated by keeping the I:E ratio constant at 1:2. This means that regardless of the respiratory rate setting 2/3 of the breath will remain for expiration. The respiratory rate is adjustable from 6 to 40 breaths per minute (BPM).
Volume constant – Ensures that each delivered breath will have essentially the same volume, independent of changes in animal patient compliance and airway resistance. The deliverable tidal volume (TV) range is from approximately 20 cc to 3,000 cc.
Pressure limited – Provides for animal patient safety by limiting the maximum working pressure limit (MWPL) to a user adjustable pressure range of 10 - 60 cm H2O. Ventilators are equipped with dual airway pressure alarms that monitor and sound when the peak inspiratory pressure (PIP) of any breath either exceeds the preset maximum working pressure limit (MWPL); or fails to reach 6 cm H2O as in the case of a disconnect.
Adjustable I:E ratio – The adjustable range is from 1:1.5 to 1:4. The pros and cons are that this option affords the operator more flexibility in dealing with animals that have compromised lung function. But during anesthesia most animal patients are lung healthy and the addition of this control can add to the complexity of setting the ventilator. For example, consider that you have a hypocapnic animal patient. To bring that animal patients’ CO2 level to a more normal range, you must decrease the overall gas exchange, the Minute Volume (MV). Without this option, only one knob controls the MV, that is the volume control. With this option; however, increasing the I:E ratio would also cause a reduction in MV.
Rate: 6-40 bpm
Tidal volume: 0-3000 ml
I:E ratio: 1:2 (preset)
Gas supply: Oxygen or clean dry air
Pressure and flow: 35-65 psi @ 3 scfm [2.4 - 4.4 bar @ 100 lpm]
Rate: Linear, 6-40 bpm with power switch
Volume: 9.5 turn metering valve
Maximum working pressure limit: Linearly adjustable, 10 - 60 cm H2O
Power on: Front panel-mounted green LED
Alarm, visual: Front panel-mounted yellow LED
Alarm, audio: Internal audio transducer
Alarm, audio: Internal low supply gas pressure switch
Unit weight: Approximately 13 lb [5.9 kg]
Dimensions: controller footprint: 9" W x 10" D [228 mm W x 254 mm D]
Hallowell Ventilator 2002 IE Pro 300-1600 ml Ventilator – 78926745
To order products, complete the downloadable product order form and return to us via email or call 1.800.877.8989.
Anesthesia Machine/Versa II Pole Mounting Plate – 78908650
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Waukesha, WI 53186
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