Disposable manual resuscitator

Details Disposable manual resuscitator Disposable manual resuscitator

1989-01-05

1990-06-19

Burr, Edgar S.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820513, A61M 1608, A62B 700

Patent

active

049343602

ABSTRACT:
A manual resuscitator is disclosed which includes two disposable bellows having appropriate valves which connect via a chamber to a patient mouthpiece or face mask. The bellows are inserted into a frame comprising a manually-operated telescoping push rod and a return compression spring. When the push rod is moved upward, assisted by the return compression spring, fresh air is drawn into and stored in the inhale bellows and, simultaneously the contents of the patient's lungs are sucked into the exhaust bellows. When the push rod is pushed down, both bellows compress and, as a result, the inhale bellows forces the stored fresh air into the patient's lungs while the exhale bellows forces air plus carbon dioxide, water, smoke, etc., from the patient's lungs into the atmosphere. The inhale bellows is adapted to limit the maximum vacuum suction during exhaling. Also, the exhale bellows is adapted to limit the pressure of the fresh air forced into the patient's lungs.

REFERENCES:
patent: 3106204 (1963-10-01), Paramelle
patent: 3216413 (1965-11-01), Arecheta Mota
patent: 4774941 (1988-10-01), Cook

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