Remote pressure sensor tube for the alarm system of a respirator

Details Remote pressure sensor tube for the alarm system of a respirator Remote pressure sensor tube for the alarm system of a respirator

1980-05-12

1981-09-08

Recla, Henry J.

Surgery

Respiratory method or device

Means for indicating improper condition of apparatus

12820523, A61M 1600

Patent

active

042878861

ABSTRACT:
In artificial respiration apparatus of the type which uses a breathing tube extended from the apparatus to a patient. An alarm system is incorporated into the apparatus which responds to a disruption of the cyclic air pressures therein through connection with an air supply passageway in the respirator. The invention uses a sensor tube, extended from the respirator apparatus to the remote end of the breathing tube. This sensor tube connects with the alarm system so it may respond to a disruption of the cyclic pressures at this remote end of the breathing tube. A selector valve at the respirator apparatus connects the alarm system with either the air supply passageway in the apparatus or with the sensor tube. The sensor tube terminates as a jack which is inserted into a socket in the selector valve. The alarm responds to pressures in the air supply passageway when the jack is not in the socket. However, the alarm responds to pressures in the sensor tube when the jack is inserted into the socket.

REFERENCES:
patent: 3333584 (1967-08-01), Andreasen et al.
patent: 3867934 (1975-02-01), Ollivier
patent: 3906934 (1975-09-01), Haverland
patent: 4067329 (1978-01-01), Winicki
patent: 4096858 (1978-06-01), Eyrick et al.
patent: 4155357 (1979-05-01), Dahl

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