发明名称 DRIVE MECHANISM FOR A DRUG DELIVERY DEVICE AND A METHOD FOR ASSEMBLING A DRUG DELIVERY DEVICE
摘要 The present invention concerns a drive mechanism (3) for a drug delivery device (1), which comprises a piston rod (40) comprising a first piston rod member (7) and a second piston rod member (8). The drive mechanism (3) further comprises an adjustment member (9). The drive mechanism (3) has a first state in which the first and the second piston rod member (7, 8) are moveable with respect to each other by operating the adjustment member (9), thereby adjusting the length of the piston rod (40), and wherein the adjustment member (9) is arranged at least partially inside the second piston rod member (8). Moreover, the present invention concerns a method for assembling the drug delivery device (1).
申请公布号 US2016206822(A1) 申请公布日期 2016.07.21
申请号 US201414913153 申请日期 2014.08.15
申请人 SANOFI-AVENTIS DEUTSCHLAND GMBH 发明人 Steel Samuel;Draper Paul Richard;Butler Joseph;Mercer David Richard
分类号 A61M5/315 主分类号 A61M5/315
代理机构 代理人
主权项 1. A drive mechanism (3) for a drug delivery device (1), the drive mechanism (3) comprising a piston rod (40) comprising a first piston rod member (7) and a second piston rod member (8), the drive mechanism (3) further comprising an adjustment member (9), wherein the drive mechanism (3) has a first state in which the first and the second piston rod member (7, 8) are moveable with respect to each other by operating the adjustment member (9), thereby adjusting the length of the piston rod (40), and wherein the adjustment member (9) is arranged at least partially inside the second piston rod member (8).
地址 Frankfurt am Main DE