公开(公告)号：US20220339368A1

公开(公告)日：2022-10-27

申请号：US17761013

申请日：2020-09-16

申请人： Becton Dickinson Holdings Pte. Ltd.

发明人： Manicavasagam Ganapathy

IPC分类号： A61M5/32

摘要： The passive safety device comprises a sleeve having a proximal end configured to be secured to a distal tip of the injection device, a hub slidably mounted onto the sleeve between a pre-use position, an injection position wherein the hub is proximally located with regard to the pre-use position, and a safety position wherein the hub is distally located with regard to the injection position, a biasing element configured to urge the hub distally towards the safety position, and a protector configured to slide together with the hub relative to the sleeve between the pre-use position and the injection position. The safety device further comprises first blocking means configured to block a distal movement of the protector when the hub is in the injection position so that the protector is prevented from sliding back together with the hub in a distal direction.