发明名称 Medicament delivery device
摘要 The present invention relates to a medicament delivery device comprising a distal housing part (12), and a proximal housing part (10) adapted to receive a medicament container (14) comprising a movable stopper (15), wherein said housing parts are configured to be attached to each other; a threaded plunger rod (22) arranged within said medicament delivery device and being movable in the longitudinal direction of the device; wherein the medicament delivery device further comprises plunger force means (98) operably associated with said threaded plunger rod (22) and configured to exert both a torsion force and a tension force on said threaded plunger rod (22) for positioning the plunger rod in relation to the stopper and for avoiding drooling respectively.
申请公布号 US9072838(B2) 申请公布日期 2015.07.07
申请号 US201214006865 申请日期 2012.03.13
申请人 SHL Group AB 发明人 Hogdahl Stefan
分类号 A61M5/315;A61M5/20;A61M5/31;A61M5/24 主分类号 A61M5/315
代理机构 McDonnell Boehnen Hulbert & Berghoff LLP 代理人 McDonnell Boehnen Hulbert & Berghoff LLP
主权项 1. Medicament delivery device comprising a distal housing part, and a proximal housing part adapted to receive a medicament container comprising a movable stopper, wherein said housing parts are configured to be attached to each other; a threaded plunger rod arranged within said medicament delivery device and being movable in a longitudinal direction of the device; a drive nut configured to drive said threaded plunger rod towards a proximal end of the device; and a spring is pre-tensioned and twisted arranged inside the threaded plunger rod and operably associated with said threaded plunger rod and configured to exert both a torsion force and a tension force on said threaded plunger rod for positioning the plunger rod in relation to the stopper and for avoiding drooling respectively.
地址 Nacka Strand SE