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公开(公告)号:US5975076A
公开(公告)日:1999-11-02
申请号:US666537
申请日:1996-10-10
申请人: Michael Yianneskis , Gary Peter Martin , Christopher Marriott , Kwok-On Suen , Ka-lok Carroll Lee , David Ganderton , Mukunda Timsina
发明人: Michael Yianneskis , Gary Peter Martin , Christopher Marriott , Kwok-On Suen , Ka-lok Carroll Lee , David Ganderton , Mukunda Timsina
CPC分类号: A61M15/0065 , A61M2202/064
摘要: A dry powder inhaler is provided which comprises a reservoir of medicament powder, a dispensing chamber for receiving a charge of powder to be dispensed having a floor upon which the powder charge lies prior to inhalation, an inlet passage having at its outlet end a nozzle protruding into the dispensing chamber directed toward the floor thereof and an inhalation passage exiting from the chamber through which the powder may be inhaled entrained in air drawn into the inhaler through the air inlet passage. The inhalation passage has an inlet at the dispensing chamber and an outlet through which the powder may be inhaled and comprises a first upstream portion having a roof and a floor both of which rise progressively with respect to a straight line drawn form the center of the inlet to the center of the outlet ad a second portion having a roof and a floor both of which fall progressively with respect to the line in the downstream direction.
摘要翻译: PCT No.PCT / GB94 / 02829 Sec。 371日期:1996年10月10日 102(e)日期1996年10月10日PCT 1994年12月30日PCT PCT。 公开号WO95 / 17917 日期1995年7月6日提供了一种干粉吸入器,其包括药物粉末储存器,用于接收待分配粉末的药物的分配室,其具有在吸入之前粉末装料位于其上的底板,具有在其上的入口通道 出口端部突出到分配室中的喷嘴朝向其底部,以及从腔室出来的吸入通道,粉末可以通过该吸入通道夹带在通过进气通道吸入吸入器的空气中。 吸入通道在分配室处具有入口和出口,粉末可以通过该入口吸入,并且包括第一上游部分,其具有屋顶和地板,两者都相对于从入口的中心拉出的直线逐渐升高 到出口的中心,并且具有屋顶和地板的第二部分都相对于下游方向上的线逐渐下降。