| 摘要 |
The present invention provides a dry powder inhaler comprising: a reservoir containing a dry powder formulation and an arrangement for delivering a metered dose of the medicament from the reservoir; a cyclone deagglomerator for breaking up agglomerates of the dry powder medicament; and a delivery passageway for directing an inhalation-induced air flow through a mouthpiece, the delivery passageway extending to the metered dose of medicament, wherein the formulation comprises an inhalable β2-agonist having a particle size distribution of d10<1 μm, d50=1-3 μm, d90=3.5-6 μm and NLT 99% 10 μm and a lactose carrier. |
