Patent ID: 7980243
Filing Date: 2011-07-19
Classification: A61J,A61K,A61M,B05B

Abstract:
1. A cartridge for propellant-free administration of a liquid pharmaceutical composition by inhalation, comprising: an elongate displacing device including an upper end and a lower end, the lower end is chamfered and is configured for at least partial insertion into a container; a cartridge chamber disposed within 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, and opening to an exterior of the displacing device, to the cartridge chamber, a cannula inserted into the cannula guide, the cannula draws solvent from the container, wherein insertion of a cannula from the exterior of the displacing device through the guide pierces the at least one sealed opening and releases the pharmaceutical formulation through the opening into a liquid solvent in the container to form the liquid pharmaceutical composition.