Patent ID: 7234464

Claim:
A reusable cartridge apparatus for powdered pharmaceuticals for use with a powder inhaler to enable substantially simultaneous administration of several medicines, said cartridge apparatus comprising a small modular container which can be easily changed and which is adapted for insertion into a said powder inhaler, said cartridge apparatus configured to receive a plurality of doses of at least one medically active substance, said cartridge apparatus comprising a plurality of separate, cartridges, each cartridge including an unpressurized storage compartment and a closure member and said cartridges adapted to hold a plurality of doses of a powdered medically active substance, said cartridges coupled together to form said reusable cartridge apparatus, each said cartridge having a metering cavity and associated metering slide operatively associated therewith, said metering slides simultaneously operable to apportion a predetermined quantity of powdered medically active substance from each of said storage compartments of said cartridges.