Gas diffusing assembly
AssigneeHudson Oxygen Therapy Sales Company
InventorsJohn H. Price, Miguel A. Ruksenas
Life of this patent
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Abstract
An assembly for diffusing gas in a humidifier comprises a base plate having a wall extending around its periphery, a diffuser sheet comprising a substantially gas impermeable membrane having a plurality of perforations and a member for directing gas to be humidified into a gas receiving chamber defined between the diffuser sheet and base plate. In a humidifier, the assembly is submerged in water and gas travels through the gas directing member, into the gas receiving chamber and outwardly through the perforations in the diffuser sheet into the water where it is humidified and exits from the humidifier.
Claims11
In a humidifier for increasing humidification of an oxygen containing gas for inhalation therapy having a water holding receptacle and conduit means for directing the gas, a diffuser for said gas comprising:
- a. a base plate having an outer peripheral edge;
- b. a diffuser sheet comprising a substantially gas impermeable membrane of polyvinyl chloride, a foamed polyvinyl chloride layer secured to one side of said membrane and a fabric backing secured on said foam layer opposite said membrane, and having a plurality of uniformly spaced perforations therethrough the outer periphery of which sheet is secured to said base plate adjacent its peripheral edge, said sheet and said plate cooperating to define a substantially open and undivided gas receiving chamber therebetween;
- and
- c. a gas directing member having an upper end extending exteriorly from said gas receiving chamber and a lower end within said chamber and communicating therewith, whereby gas is directed through said gas directing member into said gas receiving chamber and outwardly through said perforations.
Dependencies are inferred from the claim text.