A device l for delivering an injectable drug to a patient, for example from a conventional syringe 87 with a hypodermic needle. The device 1 provides to a user an audible, visible and/or tactile end of dose indication after all of the medicament has been delivered. The end of dose indication can be provided by releasing energy stored within an energy storage means 39, energy having been imparted to the energy storage means 39 during the delivery of the injectable drug. The energy storage means 39 acts upon an end of dose indicator 41 which interacts with another part of the device 1, for example an external housing 3, to produce the end of dose indication.一種用於輸送一可注射之藥劑給一病患的裝置1,例如是從一附有一注射針頭之習知的注射筒87。在所有的藥劑已被輸送完後,該裝置1提供給使用者一可被聽見的、可被看見的及/或觸覺式的劑量結束指示。該劑量結束指示可藉由釋放被儲存在一能量儲存機構39中的能量而被提供,能量在該可被注射之藥劑的該輸送期間已被傳給該能量儲存機構39。該能量儲存機構39作用在一劑量結束指示器41上,該劑量結束指示器41和例如是一外部罩殼3之該裝置1的另一部分互相作用,以產生一劑量結束指示。1‧‧‧自動注射器3‧‧‧罩殼5‧‧‧注射筒載件7‧‧‧針頭插設機構9‧‧‧藥劑輸送機構11‧‧‧致動器13‧‧‧劑量結束指示機構15‧‧‧注射筒罩殼17‧‧‧注射筒載件腔室19‧‧‧驅動機構罩殼21‧‧‧驅動彈簧腔室/彈簧腔室23‧‧‧致動機構凹槽25‧‧‧注射筒載件偏壓螺旋壓縮彈簧27‧‧‧環狀注射筒載件支座/注射筒載件偏壓彈簧29‧‧‧注射筒限制構件31‧‧‧注射筒限制螺旋壓縮彈簧/注射筒限制彈簧33‧‧‧柱塞35‧‧‧柱塞驅動螺旋壓縮彈簧37‧‧‧致動按鈕39‧‧‧螺旋線圈彈簧41‧‧‧撞擊件43‧‧‧注射筒凸緣杯件45‧‧‧注射筒外筒孔口49‧‧‧本體51‧‧‧環狀的外部凸緣53‧‧‧彈簧開槽55‧‧‧彈簧開槽/嚙結突片57‧‧‧內部凸緣59‧‧‧孔口61‧‧‧桿件63‧‧‧驅動頭部65‧‧‧公鎖定部件67‧‧‧腰化區域69‧‧‧頭部73‧‧‧致動螺桿75‧‧‧母鎖定部件/凸緣76‧‧‧互補式螺旋螺紋79‧‧‧嚙結區段81‧‧‧臂部83‧‧‧螺旋線圈區段85‧‧‧支柱87‧‧‧注射筒88‧‧‧注射筒外筒89‧‧‧針頭91‧‧‧塞件103‧‧‧臂部區段
