Drug delivery systems, devices and methods of use for recording a drug dose completion signal in a data management system are provided. Aspects of the invention include drug delivery systems comprising a syringe stopper rod that comprises a sensor component comprising a wireless transmitter module and an activation component configured to activate the sensor component when the syringe stopper rod has completed a delivery stroke, wherein the wireless transmitter module is configured to transmit a report comprising a drug dose completion signal when the sensor component is activated.本發明提供用於在一資料管理系統中記錄一藥物劑量完成信號之藥物遞送系統、裝置及使用方法。本發明之態樣包括藥物遞送系統，該等藥物遞送系統包含一注射器塞桿，該注射器塞桿包含：一感測器組件，該感測器組件包含一無線傳輸器模組；及一啟動組件，該啟動組件經組態以當該注射器塞桿已完成一遞送衝程時啟動該感測器組件，其中該無線傳輸器模組經組態以當該感測器組件被啟動時傳輸包含一藥物劑量完成信號之一報告。
