Nebulizer

Details Nebulizer Nebulizer

1980-03-05

1981-05-19

Lutter, Frank W.

Gas and liquid contact apparatus

Miscellaneous

12820016, 12820021, 239338, 261DIG65, 261DIG48, 261 78A, A61M 1102

Patent

active

042684609

ABSTRACT:
A nebulizer for use in connection with a lung ventilating system characterized in providing a dual stage atomization of medicament carrying liquid. A first stage develops an aerosol exhibiting an initial, relatively larger average liquid particle size which is introduced to a chamber at a given stagnation pressure. From that chamber, a second atomization is carried out by passing the gas entrained liquid particles through a knife edge orifice to produce a rapid expansion free-jet flow and consequent particle breakdown to achieve a desired particle size distribution.

REFERENCES:
patent: 2532554 (1950-12-01), Joeck
patent: 2831666 (1958-04-01), Compton
patent: 3278165 (1966-10-01), Gaffney
patent: 3326467 (1967-06-01), Fortman
patent: 3545947 (1970-12-01), Gray et al.
patent: 3603308 (1971-09-01), Spradling et al.
patent: 4087495 (1978-05-01), Umehara
patent: 4198969 (1980-04-01), Virag

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