Respiration system and device

Details Respiration system and device Respiration system and device

1974-11-05

1976-06-22

Michell, Robert W.

Surgery

Truss

Pad

417394, A61M 1600

Patent

active

039644766

ABSTRACT:
There is described a respiration device designed to be associated to and operated with a respiration system including a source of pressurized gaseous mixture volumes which are to be cyclically and forcedly supplied into a patient's respiratory system, and a source of pulsing alternated positive and negative pressure. The device comprises an outer tubular component having inextensible walls and an inner hose having squashable walls, and inlet and outlet valves at either ends connected to the source of gaseous mixture and to a face mask or tracheal tube or the like, respectively, the source of pulsing pressure being connected to the interspace between said component and said hose, so that the latter acts a variable volume chamber for supplying one gaseous volume at any inhalation phase of the breathing cycle when the hose is squashed by the pressure applied thereabout in said interspace, the outlet valve being located very near to the patient.

REFERENCES:
patent: 1835157 (1931-12-01), Heidbrink
patent: 2834339 (1958-05-01), Bennett et al.
patent: 3156238 (1964-11-01), Bird et al.
patent: 3467092 (1969-09-01), Bird et al.
patent: 3526223 (1970-09-01), Curtis
patent: 3537450 (1970-11-01), Fox
patent: 3604016 (1971-09-01), Robinson
patent: 3865106 (1975-02-01), Palush
patent: 3874378 (1975-04-01), Isaacson et al.

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