Two-chamber cartridge for propellant-free metering aerosols

Details Two-chamber cartridge for propellant-free metering aerosols Two-chamber cartridge for propellant-free metering aerosols

2011-07-19

2011-07-19

Bianco, Patricia M (Department: 3772)

Surgery

Liquid medicament atomizer or sprayer

C128S200230, C128S203120, C128S203150, C128S203190, C128S203210, C604S086000, C604S087000, C604S088000, C604S089000, C604S090000, C604S091000, C604S092000, C604S403000, C604S411000, C604S414000, C604S415000, C604S416000, C366S130000, C206S219000, C206S221000, C206S222000, C222S080000, C222S082000, C222S083000, C222S129000, C220S258300, C220S258400, C220S258500, C220S200000

Reexamination Certificate

active

07980243

ABSTRACT:
A cartridge for propellant-free administration of a liquid pharmaceutical composition by inhalation includes: an elongate displacing device including an upper end and a lower end, the lower end for at least partial insertion into a container; a cartridge chamber disposed at the lower end of the displacing device and operable store a pharmaceutical formulation, the cartridge chamber including at least one pierceably sealed opening; and a cannula guide extending from the upper end of the displacing device to the cartridge chamber, wherein insertion of a cannula through the guide pierces the sealed opening and releases the pharmaceutical formulation into a liquid solvent in the container to form the liquid pharmaceutical composition.

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