Mask with inhalation valve
AssigneeTrudell Medical International
InventorJames N. Schmidt
Life of this patent
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Abstract
A mask for use in inhaling a substance includes a mask housing defining a chamber. The housing has an inlet and an outlet communicating with the chamber. A valve is disposed in the inlet and is integrally formed with the housing, such that the valve and the housing are formed as a one-piece unit. In a preferred embodiment, the housing further comprises an exhaust port and an exhalation valve disposed in the exhaust port, with a shield disposed around the exhaust port. In another aspect, a method of manufacturing a mask also is provided.
Claims12
A mask for use in inhaling a substance comprising:
- a mask housing defining a chamber and having an inlet and an outlet communicating with said chamber;
- and
- an inhalation valve disposed in said inlet and integrally formed with said mask housing, wherein said valve and said mask housing are formed as a one-piece unit.
A method of manufacturing an apparatus for delivering a substance to a user, the method comprising:
- molding a one-piece mask comprising a mask housing defining a chamber and having an inlet and an outlet communicating with said chamber and an inhalation valve disposed in said inlet and integrally formed with said mask housing.
Dependencies are inferred from the claim text.