Shock wave aerosolization apparatus and method

Details Shock wave aerosolization apparatus and method Shock wave aerosolization apparatus and method

2006-01-03

2006-01-03

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Combining of separately supplied fluids

Fluid streams have angular junction

C239S008000, C239S010000, C239S407000, C239S409000, C239S413000, C239S425500

Reexamination Certificate

active

06981660

ABSTRACT:
A pneumatic inhaler that is able to deliver a controlled burst or dose of aerosol from a reservoir of liquid or powder medication. A supersonic jet of gas is emitted from a nozzle and shock waves are developed in the jet. In one embodiment the supersonic jet is directed into a shock chamber. Liquid or micronized powder material is introduced into the supersonic jet to form an aerosol. In one embodiment, smaller aerosol particles are separated from larger aerosol particles with a separator. In another embodiment, the produced aerosol is contained in an aerosol storage chamber prior to inhalation by the users.

REFERENCES:
patent: 4284418 (1981-08-01), Andres
patent: 5474059 (1995-12-01), Cooper
patent: 5483953 (1996-01-01), Cooper
patent: 6009869 (2000-01-01), Corbeil
patent: 6742721 (2004-06-01), Piper
patent: WO 97/48496 (1997-12-01), None

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