JINKS, PHILIP A.,PURKINS, GRAHAM R.,HODSON, PETER D.,HANSEN, PAUL E.
申请号：
EP07854232
公开号：
EP2073876A4
申请日:
2007.10.19
申请国别(地区):
EP
年份:
2014
代理人:
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.
