Surgery – Liquid medicament atomizer or sprayer – Ultrasonic
Patent
1991-09-12
1992-12-15
Millin, V.
Surgery
Liquid medicament atomizer or sprayer
Ultrasonic
12820018, 12820312, 239338, 261 781, 261DIG65, 261DIG48, A61M 1100
Patent
active
051707829
ABSTRACT:
An improved aerosol chamber for an ultrasonic nebulizer which prevents relatively large medicament droplets from being inhaled by a patient. The chamber has a housing formed from a polycarbonate resin and is generally cylindrically shaped with a spherical top surface. The chamber includes an air inlet formed in the top surface and an aerosol outlet formed in a side surface. A centrally located mist tube extends coaxial from the air intake downwardly past the aerosol outlet. A longitudinally extending slot is formed in the mist tube facing the side surface of the housing diametrically opposite the outlet. The slot extends from a lower edge of the tube upwardly toward the air intake. A geyser baffle is disposed at an angle within the mist tube above the slot to deflect larger droplets away from the slot. The baffle includes an upper edge spaced from an adjacent inner surface of the mist tube to define a relatively small gap to allow inlet air to flow through the mist tube. The air flow entrains nebulized medicament droplets, flows through the slot and through an annular space between the mist tube and the housing to the outlet. The annular space creates a cyclone effect which causes larger droplets to condense on the interior walls of the housing.
REFERENCES:
patent: 1410556 (1922-03-01), Dorment
patent: 1839193 (1932-01-01), Blanchard
patent: 2546214 (1951-03-01), Curry
patent: 3561444 (1971-02-01), Boucher
patent: 3658059 (1972-04-01), Steil
patent: 3861386 (1975-01-01), Harris et al.
patent: 3864326 (1975-02-01), Babington
patent: 3900138 (1975-08-01), Phillips
patent: 4007238 (1977-02-01), Glenn
patent: 4094317 (1978-06-01), Wasnich
patent: 4113809 (1978-09-01), Abair et al.
patent: 4116387 (1978-09-01), Kremer et al.
patent: 4251033 (1981-02-01), Rich et al.
patent: 4429835 (1984-02-01), Brugger et al.
patent: 4976259 (1990-12-01), Ifigson et al.
Porta-Sonic Ultrasonic Nebulizer Patient Guide-1989 brochure-DeVilbiss Health Care, Inc.
Cyclones, Centrifuges and Diffusion Sampler, D. A. Lundgren, University of Florida.
The Spiral Drug-Inhaler--undated brochure--Medisonic U.S.A. Inc.
DeVilbiss Health Care, Inc.
Millin V.
Passaniti Sebastiano
LandOfFree
Medicament nebulizer with improved aerosol chamber does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Medicament nebulizer with improved aerosol chamber, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Medicament nebulizer with improved aerosol chamber will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2086360