Breathing bag assembly

Details Breathing bag assembly Breathing bag assembly

1979-06-29

1981-02-24

Recla, Henry J.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820524, A62B 700

Patent

active

042521149

ABSTRACT:
A breathing bag inside a rigid case has an inlet and an outlet connected with openings in the case. There is a pressure plate inside the case between one side of it and the bag, the plate being movable toward and away from the opposite side of the case. Also inside the case and disposed between it and the plate is a plurality of lever arms, each of which has a free end engaging the plate, with the opposite end of the arm rigidly connected to a torsion bar spring extending laterally away from the arm to a point where it is rigidly connected to the case. While the bag is deflated, the bars hold the lever arms inclined to the plate so that the arms will resist movement of the plate as the bag is inflated and thereby maintain a positive air pressure in the bag.

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