PROPRIETARY AND CONFIDENTIAL DRAFT 5 Feb 04
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14. The result should be the desired breaths per minute (bpm) ± 10%.
To check inspiratory and expiratory resistance, measure flow and pressure at the patient connection port.
Resistance must not exceed 0.6 kPa (6 cmH
2
O) at 5 LPM.
NOTE:
If results are not within tolerance, re-adjust the Rate (bpm) accordingly and re-calculate as described in
step 13 and step 14.
Blended Gas Supply (Optional)
NOTE:
In the US, the blender is standard with the AutoBreath Resuscitation Module.
WARNING:
If either the air or oxygen gas source pressure is reduced, creating a pressure differential of
207 kPa (30 psi), the microblender alarm sounds. This condition can alter the FiO
2
and flow
output from the microblender. Patient injury could occur.
WARNING:
Always operate the low flow microblender with medical grade gases. Failure to do so could
result in personal injury.
WARNING:
Use air inlet water filters with the low-flow microblender. Replace them in accordance with the
manufacturer recommendation. Failure to do so could result in patient injury or equipment
damage.
WARNING:
Monitor the concentration of oxygen provided and the partial pressure of oxygen within the
patient blood (PaO
2
). Failure to do so could result in personal injury.
1. Turn the precision Blender knob to ensure free rotation.
NOTE:
If the pipeline, cylinder oxygen, or Air supply is removed, the Blender alarm sounds.
2. Install the pipeline, or cylinder oxygen, or Air supply.
3. Set the blender to the desired oxygen concentration.
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