Inhaler

摘要

In an inhaler for administering a powdery medicament in the form of an inhalable substance, substance formulation or mixture, a blister cavity to be opened by piercing elements (11) is mounted in the lower part (1) of a housing (2), which has an upper part (6), designed as mouthpiece and with an inhalation channel (16), and of the lower part (1), which has an air inlet opening (9). The inhalation channel (16) of the upper part (6) of the housing has a unit (15) for dispersing the powdery medicament, said unit (15) being connected to the piercing elements (11), wherein the upper part (6) of the housing can be moved relative to the lower part (1) of the housing in order to open the blister cavity.

主权项

1. Inhaler for administration of a pulverulent medicament in the form of an inhalable substance, substance formulation or substance mixture from a blister cavity comprising a housing composed of an upper housing part in the form of a mouthpiece and having an inhalation channel, and a lower housing part, which has an air inlet opening, wherein the blister cavity is mounted in the lower housing part of the housing and is opened by piercing elements and wherein the upper housing part has a unit for dispersing the pulverulent medicament which is a separate piece that is fixedly secured in the inhalation channel of the mouthpiece, said unit having a central bore extending therethrough, the medicament being stored in a blister cavity receivable in the lower housing part upstream of the unit such that, on inhalation through the upper housing part, medicament is discharged from the blister cavity and the lower housing part and passes through the central bore of the unit in the upper housing part, wherein said unit is connected to the piercing elements and in that the unit comprises a flow bore that leads into the inhalation channel and at least one tangential inflow opening in communication with the flow bore, so that a cyclonic turbulent flow is produced in the flow bore prior to entry of the medicament into the inhalation channel, wherein in a first position the piercing elements are disposed at a distance from the blister cavity in a position locked by at least one first clip connection between the upper housing part and the lower housing part and, in a second position defined by at least one second clip connection, they project into the opened blister cavity.