The invention relates to a drug delivery device(1) comprising: - a syringe (5) with a body (5.1) from which a needle (6) extends and an inner sheath (7) - a piston rod (3) comprising a piston and an actuation head (4), - a support sheath (2) for holding the body (5.1).It is envisaged that the support sheath (2) and the actuation head (4) comprise corresponding indicators (8,9.1,9.2).本發明係有關一藥物傳輸裝置(1),包含:-一注射器(5),具有一體部(5.1),一針頭(6)自其延伸,及一內覆套(7);-一活塞桿(3),其包含一活塞及一致動頭(4),-一支撐覆套(2),其用於固持體部(5.1)。可想見支撐覆套(2)及致動頭(4)包含對應的指示器(8,9.1,9.2)1‧‧‧藥物傳輸裝置2‧‧‧支撐覆套2.1‧‧‧遠段2.2‧‧‧近段4‧‧‧致動頭4.1‧‧‧周緣性端部分8‧‧‧有色及/或觸覺性標記9.2.3‧‧‧手指凸緣A‧‧‧縱向軸線
