Abstract: A method and apparatus for delivering a humidified stream of gas to an animal's respiratory tract. The gas is delivered at a dew point temperature greater than the ambient dew point temperature.

Abstract: An method and apparatus for delivering a humidified stream of gas to a young animal's respiratory tract. The gas is delivered at a dew point temperature greater than the ambient dew point temperature. The apparatus is especially useful in the treatment of foal pneumonia.

Abstract: A method and an apparatus are described which are useful for respiratory tract therapy. The method comprises contact of mucous membranes with vapor-phase water in the substantial absence of nucleating water-vapor condensation particulate, and includes the use of a heated delivery tube, unheated nasal cannula, for the delivery of a nasal cannula vapor/gas stream to a nasal passageway at delivery rates in excess of 8 liters per minute at dew point temperatures equal to or less than dry bulb temperatures and heating of a delivery tube vapor-gas stream to a temperature sufficiently greater than the canula nare dew point use temperature in order to cause a readily observable cannula condensation film to form near the exit use ports thereby signaling that the appropriate cannula delivery stream dew point-dry bulb temperature differential exists which insures that the dry bulb nare exit temperature is equal to or greater than the nare dew point use temperature.

Abstract: A high humidity method and an apparatus are described which are useful for conditioning a pulmonary and/or a cardiovascular system in a large animal. The method broadly comprises delivering a humidified air stream at a dew point temperature greater than the environmental ambient dew point temperature to an animal's respiratory tract.

Abstract: An oxygen enriching apparatus for increasing the proportion of oxygen in ambient air includes means for increasing or regulating the humidity of the air. Ambient air is drawn into the apparatus by a pump and caused to flow through a membrane stack to enrich the oxygen of air flowing through the membrane stack. The enriched air is fed to first and second condenser coils and from there to water separators which separate the water and lead it to an evaporator pad. One of the coils is warmer than the other, whereby the humidity of air leaving this coil is higher than that leaving the other. A proportioning valve is connected to control the air from the coils and deliver proportions thereof to the user. Heaters may be used to heat the air delivered to the user, if desired.

Abstract: A nasal cannula is disclosed which may be easily and quickly adjusted to custom fit individual wearers. The nasal cannula comprises lengths of tubing with the ends formed to provide narine tubes which project into the nares of the wearer, and does not have any cavity-forming structure which might promote growth of bacteria or result in resonant flow noises. The formed ends of the tubing are secured to a formable bridge or saddle which spans the distance between the narine tubes, whereby the angular position as well as the spacing between the narine tubes may be quickly and easily adjusted by suitably forming the bridge.

Abstract: The oxygen enricher apparatus provides a circuitous path for the flow of air to effect a reduction in noise while also using the oxygen-depleted air flow to cool the vacuum pump which draws the oxygen-enriched air flow through the membrane cells. The oxygen-enriched air flow is also passed through a condensor in heat exchange relation with the incoming air flow. Water which is separated from the oxygen-enriched air flow is wicked to an evaporator pad in the warm exhaust flow of the oxygen-depleted air flow.

Abstract: A mobile, personal oxygen enricher includes means for producing a flow of atmospheric air, heating the air to a pre-selected temperature, and directing the air over an array of selectively permeable membrane cells which permit the permeation of oxygen at a greater rate than nitrogen. Vacuum means maintain the cells at a partial vacuum and draw off oxygen enriched gas. The enriched gas passes through a scrubber to remove pollutants and is directed to a patient for inhalation.