基本信息:
- 专利标题： 用于吸入器的致动器
- 专利标题（英）：Actuator for an inhaler
- 申请号：CN200780039367.2 申请日：2007-08-21
- 公开(公告)号：CN101528291A 公开(公告)日：2009-09-09
- 发明人： G·J·M·安德森 , P·A·伯格斯 , G·T·克罗斯比 , T·费尔布罗瑟 , P·W·法尔
- 申请人： 葛兰素集团有限公司
- 申请人地址： 英国梅得塞克斯
- 专利权人： 葛兰素集团有限公司
- 当前专利权人： 葛兰素集团有限公司
- 当前专利权人地址： 英国梅得塞克斯
- 代理机构： 中国专利代理(香港)有限公司
- 代理人： 严志军; 刘华联
- 优先权： 60/823,143 2006.08.22 US
- 国际申请： PCT/EP2007/058672 2007.08.21
- 国际公布： WO2008/023015 EN 2008.02.28
- 进入国家日期： 2009-04-22
- 主分类号： A61M15/00
- IPC分类号： A61M15/00
An actuator for an inhaler for delivering drug by inhalation, comprises: a housing (11; 111 ) for receiving a canister (5; 106) which comprises a body (7; 107) which includes a base and a head and defines a chamber for containing drug, and a valve stem (8; 108) which extends from the body (7; 107) and from which drug is in use delivered on actuation of the canister (5; 106); an outlet (13; 105) through which a user in use inhales; and a nozzle (4; 104) which provides for delivery of drug through the outlet (13; 105); wherein the outlet (105) includes at least one air flow path (122) which provides for a substantially annular air flow at an inner peripheral surface of the outlet (105) on inhalation by the user through the outlet (105), such as to provide a sheathing air flow to an aerosol spray when delivered from the nozzle (104).