Medicament delivery device comprising a housing (10) and container holder (12) accommodating a multi-chamber medicament container wherein said housing and said medicament container holder are interactively connected to and movable relative each other a mixing guard mechanism interactively connected to the body for driving the medicament container holder within the housing achieving a reconstitution, wherein the mixing guard mechanism comprises a guard member (34), a force member (52), a guard member locking means (24, 42) whereby, when the reconstitution is achieved, the medicament container holder and the guard member are movable in relation to said housing from a pre-mix position to a mixed position wherein said medicament container holder has been displaced distally in relation to said housing, at which mixed position said guard member locking means is activated, whereby said guard member is forced in the proximal direction by said force member for covering the delivery member (22).一種藥物輸送裝置包括一外殼(10)和一藥物容器支撐(12)用來容納一多室藥物容器,其中該外殼和該藥物容器支撐可互動地連接且互相相對移動;一混合防護套機制可互動地連接於該主體以驅動該外殼內的該藥物容器支撐,達到藥物配置,其中該混合防護套機制包括一防護套構件(34),一施力構件(52),一防護套構件鎖裝置(24、42),藉此當完成藥物配置時,該藥物容器支撐和該防護套構件可相對於該外殼移動,從預先混合位置移到已混合位置,其中該藥物容器支撐已相對於該外殼而移向末端,在混合位置中,致動該防護套構件鎖裝置,藉此該防護套構件藉由該施力構件被迫向近端移,以蓋住該輸送構件(22)。14...螺紋16...螺紋18...內隔室20...頸部22...輸送構件24...防護套構件鎖裝置26...第二突起34...防護套構件46...狹縫52...施力構件54...圓周突起58...近端向面
