System and method for delivering and metering powder aerosol

Details System and method for delivering and metering powder aerosol System and method for delivering and metering powder aerosol

2007-11-06

2007-11-06

Douglas, Steven O. (Department: 3771)

Surgery

Liquid medicament atomizer or sprayer

Gas stream aspirating medicament from reservoir

C128S200230, C128S200140

Reexamination Certificate

active

10989981

ABSTRACT:
Safe, reliable and controlled dissemination of a powder aerosol over a relatively short period is achieved by infusing the powder aerosol into a holding chamber to form a concentrated powder aerosol cloud, reducing the volume of the holding chamber to exhaust the concentrated powder aerosol at a controlled rate, mixing a gas with the concentrated powder aerosol, and monitoring the admixture of gas and concentrated aerosol to achieve a target concentration.

REFERENCES:
patent: 5533498 (1996-07-01), Sioutas
patent: 7059319 (2006-06-01), Ganan-Calvo

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