Optinose as

Andreas Nilsson

Per Gisle Djupesland

Rune Harald Gaarder

Erik Andreassen

Christophe Péricé

A delivery device for delivering a metered amount of substance (L) in response to exhalation by a user, the delivery device comprising: a mouthpiece () through which the user in use exhales; an outlet () from which substance Is delivered; and a dispensing unit () which is operable to dispense a metered amount of substance through the outlet in response to exhalation by the user through the mouthpiece, wherein the dispensing unit comprises a body member () which includes a cavity () for containing a metered amount of substance, an outlet nozzle () which is fluidly connected to the cavity from which substance is in use delivered, and a dispensing () member which is movably disposed in the cavity and configured to be driven through the cavity by a driving pressure created by exhalation of the user, such as to cause substance to be delivered from the outlet nozzle.

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Oslo, Norway

Andreas Nilsson