BIRD MARK 7 - Page 5

GLOSSARY OF TERMS
m INTERMITTENT POSITIVE PRESSURE
BREATHING (IPPB): Assisted ventilation creating
a positive pressure above zero on the manometer,
in the airways during inspiration. Generally used
for therapeutic purposes.
m MARK SERIES, SECOND GENERATION:
MARK 7, MARK 7A, MARK 8, MARK 8A, Bird
Ventilator, and Bird Ventilator with Demand CPAP,
manufactured after November 1976.
m CYCLING: The means by which a respirator/
ventilator turns itself on and off.
a Pressure Cycled: A device designed to deliver
gas until a preset pressure is reached,
regardless of volume delivered.
» Pressure/Time Cycled: A device that delivers a
. primary flow of gas until a preset pressure is
reached and then a secondary phase provides
a continuation of timed flow when airways are at
maximum distention (i.e. Apneustic Flowtime).
_ i VENTURI: A component used in Bird products
to increase source gas by entraining ambient air or
gas from a reservoir.
® Distally Gated Venturi: Tailors delivered flow
during inspiration, in response to backpressure
changes from patient's lungs. Distal gate closes
during low terminal flow to allow cycling
pressure attainment.
m APNEUSTIC FLOWTIME: Bird terminology for a
dynamic, time cycled, mechanical breath hold.
m PRESSURE RELIEF VALVE: A spring loaded
“pop off” device that limits positive pressure by
venting gas out of the circuit.
m NEBULIZER: A device designed to add water
to inspired gas in the form of an aerosol.
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