Erwin VAN ACHTHOVEN,Johan KEEGSTRA,Michael Imre GOLLER
申请号:
US15101718
公开号:
US20160303337A1
申请日:
2014.11.19
申请国别(地区):
US
年份:
2016
代理人:
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.