Aerosol actuator

Details Aerosol actuator Aerosol actuator

1993-05-26

1999-05-04

Lewis, Aaron J.

Surgery

Liquid medicament atomizer or sprayer

Pre-pressurized container holding medicament

12820014, 12820018, A61M 1100

Patent

active

058992014

ABSTRACT:
A hand held aerosol actuator involving an aerosol source and a chamber having walls defining a constriction aperture. The aerosol source communicates with the chamber and directs an aerosol dose along an axis into the chamber. The constriction aperture is coaxial with the exit orifice and is dimensioned such that the respirable mass of the aerosol dose is increased relative to the respirable mass of an aerosol dose expelled through a like actuator not having the constriction aperture.

REFERENCES:
patent: 3653380 (1972-04-01), Hansen
patent: 3897779 (1975-08-01), Hansen
patent: 4484577 (1984-11-01), Sackner et al.
patent: 4570630 (1986-02-01), Elliott et al.
patent: 4576157 (1986-03-01), Raghuprasad
patent: 4664107 (1987-05-01), Wass
patent: 4852561 (1989-08-01), Sperry
patent: 4940051 (1990-07-01), Lankinen
patent: 5048729 (1991-09-01), Pritchard
patent: 5115803 (1992-05-01), Sioutas

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