Respiratory Care, Inc.

David E Cerny

A nebulizer system including a self-contained system including a nebulizer. The nebulizer includes a cylindrical housing having a bottom which has axially and centrally located gas conduit extending therefrom and terminating in a nozzle internally of said housing. The housing has mounted therein a funnel shaped wall the apex of which has a conduit of a wider dimension to encompass said nozzle in axial and spaced alignment therewith. The conduit terminates in a spray opening whereby liquid in a reservoir defined by the housing bottom and funnel shaped wall is picked up by the gas emanating from the nozzle. The liquid-gas mixture is discharged above the funnel wall against a protrusion and is distributed therefrom against an annular baffle depending from the top of the housing. The aerosol thereby produced is discharged through an opening into a conduit system for delivery to a patient directly or as a part of a ventilator or intermittent positive breathing apparatus of known types.

Self-contained nebulizer and system

A flexible tubular assembly having an outer flexible tube through which extends an inner flexible tube which is connected to a tubular element having an elbow-shaped locking piece. The outer flexible tube is joined to the tubular element and the inner flexible tube extends through a cylindrical section of the tubular element to the exterior of the element thereby exposing the end portion of the inner flexible tubing. The spout area of the elbow-shaped locking piece is inserted into the inner flexible tubing and thereby distends the tubing against the sides of an internal tubing and thereby distends the tubing against the sides of an internal tubular stub within the tubular element and locking the tubing in place. Outwardly extending ears on the elbow engage inwardly extending slots on the tubular element thereby holding the elbow in place. The device is specifically useful in anaethestic devices insuring the safety of a patient.

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Hoffman Estates, IL, United States of America

David E Cerny