DRY POWDER INHALER DEVICE
    3.
    发明申请

    公开(公告)号:US20220126034A1

    公开(公告)日:2022-04-28

    申请号:US17422797

    申请日:2020-01-13

    IPC分类号: A61M15/00 A24F42/20 A24F42/60

    摘要: My powder inhalers are described. The dry powder inhaler includes an air inlet, a reservoir and an airway assembly. A mouthpiece airway is connected to a first airway of the airway assembly. An airway head is attached to the airway assembly and it extends into the reservoir cavity. In certain embodiments, the airway head has a sharpened or beveled edge. At least one airway assembly opening is present in the airway assembly for connecting the reservoir cavity to the first airway. Methods for dispensing dry powder into an airway of a dry powder inhaler and inhaling dry powder from a dry powder inhaler is also disclosed. Embodiments of a dry powder inhaler having a two-stage air movement are also described.