Patient breathing monitoring apparatus and method

Details Patient breathing monitoring apparatus and method Patient breathing monitoring apparatus and method

1976-10-08

1979-04-10

Recla, Henry J.

Surgery

Truss

Pad

128DIG17, 128DIG29, 200 82E, 200 83L, 200 83N, A61M 1600

Patent

active

041483138

ABSTRACT:
The patient breathing monitoring apparatus is used for monitoring the airway of a patient which has a respirator connected thereto and which is connected to a source of gas. The respirator is of a type which during the inhalation phase supplies inspiratory gases to the airway of the patient and during exhalation phase permits the discharge of gases from the airway of the patient. The monitoring apparatus includes first and second pressure switches each of which has an inlet connected to the airway of the patient. One of the pressure switches is adjustable to sense a decrease in pressure in the airway below a predetermined value whereas the other of the switches is adjustable to sense an increase in pressure in the airway above a predetermined value. An alarm devices is coupled to the pressure switches for giving an alarm when the one switch senses a decrease in pressure below the predetermined value and when the other of the switches senses an increase in pressure above a predetermined value.

REFERENCES:
patent: 2828741 (1958-04-01), DeLest
patent: 2972345 (1961-02-01), Spigel
patent: 3333584 (1967-08-01), Andreasen et al.
patent: 3524058 (1970-08-01), Robertson et al.
patent: 3584621 (1971-06-01), Bird et al.
Medlock, "Alarm Unit for Use with Intermittent Positive-Pressure Respiration Circuits", Oct. 12, 1957, Lancet, p. 725.

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