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 |