A double-check transfusion device is suitable for use with a blood bag and includes an infusion tube, a detection unit and a tube clamp unit. The infusion line supplies blood contained in the blood bag for infusion into a patient's body and includes an infusion tube connected to the blood bag and an injection tube connected between the infusion tube and the patient. The detection unit is disposed in the infusion line and includes a first detection tube with a reagent that can test blood type, and a second detection tube with a reagent that can test blood type. The tube clamp unit is detachably installed in the infusion line to block the circulation of blood, and includes a first main tube clamp for clamping the blood transfusion tube to block the blood flow of the blood bag to the injection tube, and a clamp for clamping The second main tube clamp is used for the injection tube to block the blood flow of the patient to the blood transfusion tube.一種雙重核對輸液裝置，適用於配合一血袋使用並包含一輸液管路、一檢測單元及一管夾單元。輸液管路供容置於血袋的血液輸注至一病患的體內並包括一連接於血袋的輸血管，及一連接於輸血管與病患之間的注射管。檢測單元設置於輸液管路並包括一具有可檢驗血型的試劑的第一檢測管，及一具有可檢驗血型的試劑的第二檢測管。管夾單元可拆卸地設置於輸液管路以阻斷血液的流通，並包括一用於夾設於輸血管以阻斷血袋的血液流向注射管的第一主管夾，及一用於夾設於注射管以阻斷病患的血液流向輸血管的第二主管夾。
