Surgery – Liquid medicament atomizer or sprayer – Spray impinged against baffle in or adjacent flow conduit
Patent
1989-05-08
1990-09-11
Eickholt, Eugene H.
Surgery
Liquid medicament atomizer or sprayer
Spray impinged against baffle in or adjacent flow conduit
12820021, 12820023, 239461, A61M 1600
Patent
active
049553712
ABSTRACT:
A disposable device for dispensing an aerosol spray medicament to the lungs of a patient from a stanardized aerosol dispenser activated automatically by the inhaling of the user. The device has only one moving part, and no power requirements. The device may be used alone or within a respirator, by asthmatics, pulmonary cancer patients, and others. The device comprises a body having an outwardly extending nozzle, a receptacle formed within the body for receiving the dispenser, and an activator positioned within the body being mechanically interactive with the inhalation by the patient. Vents are formed in the body for carbureting air into the nozzle. A fixator is provided for detachably affixing the dispenser in position within the receptacle. Specifically, the fixator is a cap that is threadedly connected to the body and has an interior area suitable for accommodating the dispenser. The activator comprises a diaphragm positioned within the body. The diaphragm has an elastic quality suitable for being deformable upon a reduction or increase of air pressure within the nozzle. The activator further includes a pin that is fixedly positioned to the diaphragm and extends upwardly transverse to the plane of the diaphragm. The pin acts as a valve between the dispenser and the nozzle. An atomizer is provided between the receptacle and the nozzle for transmitting fluid into the nozzle. A timer may be attached to the device to provide periodic doses when used with an automatic respirator.
REFERENCES:
patent: 3605738 (1971-09-01), Ciranna
patent: 3915164 (1975-10-01), Bird
patent: 4470412 (1984-09-01), Nowacki et al.
patent: 4471773 (1984-09-01), Bunnell et al.
patent: 4512341 (1985-04-01), Lester
patent: 4592349 (1986-06-01), Bird
patent: 4796614 (1989-01-01), Nowacki et al.
patent: 4803978 (1989-02-01), Johnson et al.
patent: 4834083 (1989-05-01), Byram et al.
Glazier Stephen C.
Zamba Gene
Eickholt Eugene H.
Transtech Scientific, Inc.
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