METERED DOSE VALVES AND DISPENSERS
    4.
    发明公开
    METERED DOSE VALVES AND DISPENSERS 审中-公开
    阀门和捐助计量

    公开(公告)号:EP2073876A4

    公开(公告)日:2014-04-16

    申请号:EP07854232

    申请日:2007-10-19

    IPC分类号: A61M11/00 A61M15/00 B65D83/14

    摘要: A metered dose valve for use in a pressurized metered dose dispenser for dispensing a metered dose of an aerosol formulation comprising particles of a medicament suspended in liquefied propellant, optionally in combination with one or more excipients, the valve comprising a metering chamber and at least one porous, fluid permeable, particulate semi-permeable body, the at least one porous body being positioned within a region of the interior conduit of the valve, for example within the metering chamber, or a pre-metering chamber and/or an internal channel upstream of the metering chamber.