Time Delay Mechanism for a Hydraulic Drug Delivery Device

    公开(公告)号:US20220160959A1

    公开(公告)日:2022-05-26

    申请号:US17670262

    申请日:2022-02-11

    IPC分类号: A61M5/142 A61M5/145 A61M5/32

    摘要: A medicament delivery device may comprise a medicament chamber configured to hold a medicament, a plunger configured to move relative to the medicament chamber to expel the medicament from the medicament chamber, a pin configured to move from a first pin position wherein the pin prevents movement of the plunger to a second pin position wherein the pin allows movement of the plunger, an actuation assembly configured to move the pin from the first pin position to the second pin position, and a needle coupled to the medicament chamber. The medicament may flow through the needle from the medicament chamber to a user. The actuation assembly may be configured to automatically move the pin after a predetermined time delay.