Patent · US Active

Medical aerosol non-diluting holding chamber

US8689789B2 · kind B2 · utility

40Cited by

2References

3Claims

0Family size

Inventors

Paul G. Andrus · Powell, US
Gayle R. Campbell-Andrus · Hamilton, CA

Key dates

Filing date	Aug 5, 2012
Grant date	Apr 8, 2014
Priority date	—
Expiry date	Aug 5, 2032

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61M15/0088
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A medical aerosol delivery device comprises a housing having a first opening and a second opening and defining a fluid passage between the first and second openings. The housing comprising a pressurized medical aerosol canister actuator having a canister receptacle disposed within the fluid passage and having a valve chamber comprising a fine bore nozzle positioned to direct atomized medicament toward the first opening. The fluid passage includes an annular portion bypassing the canister receptacle and the housing comprises a movable closure member for selectively obstructing the fluid passage.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.