Astra Akiebolag

Marika Nilsson Eirefelt

Henri Hansson

Ola Nerbrink

Ingrid Erjef&auml;lt

Per-Olof Fagerstr&ouml;m

An insufflator assembly, comprising: an insufflator comprising a delivery component (,) for delivering powder into an airway of an animal, a metering component (,) for providing a dose of powder (P) to the delivery component (,) and an inlet for receiving a stream of gas; and means for providing a stream of gas to the inlet of the insufflator so as to carry the dose of powder (P) into the airway of the animal, the means comprising a chamber (,) of a predetermined volume for containing gas at a predetermined pressure above atmospheric, a pressurized gas source (,) for providing gas of a predetermined pressure to the chamber (,), a first valve (,) for selectively connecting the chamber (,) to the pressurized gas source (,) and a second valve (,) for selectively connecting the chamber (,) to the inlet of the insufflator.

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Lund, Sweden

Marika Nilsson Eirefelt