Super atomizing nonchlorinated fluorocarbon medication inhaler
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United States of America Patent
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Apr 30, 1996
Issued Date -
N/A
app pub date -
Sep 13, 1993
filing date -
Jul 12, 1990
priority date (Note) -
Expired
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Abstract
An atomizing inhaler (2) includes a body (4) having a hollow interior (10) with an elastomeric barrier (22) at the tip (6) of the body. The elastomeric barrier has a slit (104) formed through the barrier. A pressurized liquid inhalant is atomized as it is forced out through the slit into the ambient environment in mist or smaller sized drops. The body includes a spring-biased piston (40) which moves within a cylinder (32). The cylinder and piston together define a variable volume container (33). The volume of the variable volume container varies according to the position of the piston within the cylinder. The liquid in the variable volume container is pressurized by the piston and flows through the slit in the barrier. The invention is broadly directed to an atomizer which uses an elastomeric barrier having a slit formed therein so that applying pressurized liquid to one side of the barrier causes the pressurized liquid to atomize as passes through the slit to mist or smaller sized drops.
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