Manual ventilation system including manual bag filling valve

Details Manual ventilation system including manual bag filling valve Manual ventilation system including manual bag filling valve

2006-07-11

2006-07-11

Dawson, Glenn K. (Department: 3731)

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

C128S205240, C128S207160

Reexamination Certificate

active

07073502

ABSTRACT:
An open ventilation system for intensified breathing that includes both a manual ventilation system and an automatic ventilation system. A ventilation selection switch is positioned in the system prior to the patient circuit to select between the manual and automatic ventilation systems. The manual ventilation system includes a manual bag filling valve that controls the flow of inhalation gases from the ventilation selection switch to a manual bag. The manual bag filling valve includes a valve assembly that is movable between an open position and a closed position based on the difference in the forces created by the pressures of the manual bag and the inhalation gas.

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“Automatic Ventilation of the Lungs”, William W. Mushin, 1980, Blackwell Scientific Publications, Oxford 16610 XP002283333; pp. 579-583; Figures 49.1-49.2.

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