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. 1975 Nov;22(6):719-22.
doi: 10.1007/BF03013322.

A modification of the Bird Mark VIII ventilator to deliver continuous positive pressure breathing and intermittent mandatory ventilation

G F Frost, Y G Dupuis, J A Bain

A modification of the Bird Mark VIII ventilator to deliver continuous positive pressure breathing and intermittent mandatory ventilation

G F Frost et al. Can Anaesth Soc J. 1975 Nov.

Abstract

A Bird Mark VIII ventilator was modified to produce a simple and inexpensive C.P.P.B. and I.M.V. circuit. A Bain Breathing Circuit allowed the manifold to be placed near the ventilator. The negative pressure and flow to the injector produce C.P.P.B. The continuous flow of the Mapleson D Modification furnished constant inflow to provide humidified fresh gas to the reservoir and the patient circuit for I.M.V. An accompanying graph illustrates suggested flow rates and CO2 elimination (Figure 2).

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