Medium dispenser
AssigneeIng. Erich Pfeiffer GmbH
InventorStefan Käfer
Life of this patent
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Abstract
For discharging a medium, such as a powder, a film/foil seal (16) of a reservoir chamber (24) is pierced by a tool (40) in a first axial movement, after which the medium is suctioned via an orifice (9) in feeding a delivery flow via passageways (55) from the chamber (24). On completion of a return stroke and twisting the tool (40) relative to the reservoir body (6) a further chamber (24) may be emptied in the same way, thus enabling e.g. a pharmaceutical active substance to be administered in two individual doses as expedient for nasal treatment.
Claims27
A dispenser having two bodies which are rotatable relative to one another, one of said bodies, being a base body, comprising a discharge nozzle having a piercing element which has an inlet and outlet for a medium to be inhaled through the nozzle and another of said bodies, being a reservoir body, comprising multiple sealed reservoirs for containing the medicament which when pierced by the piercing element the medium will flow from the inlet of the piercing element to the outlet and out an orifice.
Dependencies are inferred from the claim text.