Patent ID: 6595207
Filing Date: 2003-07-22
Classification: A61M

Abstract:
An oxygen diffuser adapted for attachment to a lightweight oxygen delivery system for a patient, the oxygen delivery system comprising a mount for seated engagement on a patient's head or ear, an end of an elongated tubular boom for oxygen delivery secured to the mount and another end of the boom to which the diffuser is adapted to be secured, the diffuser to deliver oxygen passed through the boom to a space in the vicinity of the patient's nose and mouth, the diffuser comprising:a. a body having a wall with an interior surface of generally concave configuration, circumscribing a centrally positioned oxygen outlet opening into the concave interior surface so as to direct the flow of oxygen from the oxygen outlet generally towards the patient's nose and mouth, and b. a baffle including a post seated centrally within the oxygen outlet at one end with a curled-back conical lip at its other end and where an underside of the lip is located in a path of an oxygen stream exiting the oxygen outlet during operation of the diffuser so as generate turbulence to assist in mixing of oxygen with ambient air to create a mushroom-shaped plume of oxygen rich air proximate the patient's nose and mouth and avoiding a direct flow of oxygen towards the patient's face.