Alarm system for respirator apparatus and method of use

Details Alarm system for respirator apparatus and method of use Alarm system for respirator apparatus and method of use

1986-07-25

1987-06-23

Recla, Henry J.

Surgery

Respiratory method or device

Means for indicating improper condition of apparatus

12820615, 12820617, 12820624, 12820629, A62B 700

Patent

active

046744924

ABSTRACT:
The alarm system of the present invention includes a pressurized air source for the purpose of pressurizing a face mask which surrounds the mouthpiece of respirator apparatus. An alarm indicating device is installed in the air line between the pressurized air source and the face mask. If the face mask is leaking air to outside the space enclosed by it, the alarm will indicate a continuous flow. If there is leakage from the space enclosed by the face mask into the mouthpiece, the alarm will indicate intermittent leakage since the placement of air will flow only during inhalation. The wearer of the apparatus may thus be confident that either no leakage is occurring or that there is leakage and that appropriate corrective measures should be taken.

REFERENCES:
patent: 3167070 (1965-01-01), Silverman
patent: 3739774 (1973-06-01), Gregory
patent: 4249473 (1981-02-01), Pasternack et al.
Brochure, "Survivair", U.S.D. Corp., 3323 West Warner Avenue, P.O. Box 25018, Santa Ana, Calif. 92799-5018, Apr. 1986.

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