Provided is a medicament delivery device comprising an elongated housing extending along an axis for containing a medicament, a coaxially extending plunger rod which is mounted within the housing so as to be axially displaceable for expelling successive doses of medicament and able to rotate about the axis, the plunger rod and the housing respectively comprising first and second guiding means in mutual engagement which are adapted to guide the plunger rod within the housing successively from a ready-to-use position, wherein the plunger rod can be axially displaced for expelling a dose of medicament, to a non-ready-to use position, wherein the plunger rod is axially blocked, said non-ready-to use position being axially spaced from said ready-to-use position and from said non-ready-to use position to a subsequent ready-to-use position angularly spaced from said non-ready-to use position about the axis, wherein the device further comprises an indicator member displaceably mounted onto the housing between a first angular position indicative of the ready-to-use positions and a second angular position indicative of the non-ready-to use positions, the indicator member and the plunger rod respectively comprising third and fourth guiding means in mutual engagement whereby the position of the indicator member is linked to the position of the plunger rod.本發明係關於一種藥物輸送裝置包括一瘦長外殼延著軸向延伸以容納藥物,一共軸延伸柱塞桿設置於外殼內,以便軸向移動,以排出連續藥物劑量,且能夠旋轉於縱軸周圍,柱塞桿和外殼分別包括第一和第二導引裝置,相互嚙合,以導引外殼內的柱塞桿從準備使用位置到非準備使用位置,在準備位置中,柱塞桿可軸向移動以排出藥劑,在非準備使用位置中,柱塞桿被鎖住不可軸向移動,該非準備使用位置被從該準備使用位置軸向隔開,且從該非準備使用位置到接續的準備使用位置有角的從縱軸周圍的該非準備使用位置隔開,其中裝置又包括一指示構件可移動地設置於外殼上,在準備使用位置的第一角位置和非準備使用位置的第二角位置之間,指示構件和柱塞桿分別包括第三和第四導引裝置相互嚙合,藉此指示構件的位置連接到柱塞桿的位置。100‧‧‧藥物輸送裝置110‧‧‧致動構件120‧‧‧柱塞桿150‧‧‧外殼157‧‧‧開口/窗口158‧‧‧近端嚙合裝置200‧‧‧縱軸
