| 摘要 |
The present invention provides a blood transfusion system having valve circuit, for transfusion of blood to a patient, said system comprising a Y-Shaped connector comprising of three arm [ 7, 16 (a) and 16 (b)] and a junction ( 9 ), wherein arm 7 is connected to the patient at its one end and to the junction ( 9 ) at its other end, arm 16 (a) is connected to the junction ( 9 ) at its one end and to a waste-blood suction syringe ( 10 ) at its other end through a valve ( 11 ), an outlet is being provided in the arm 16 (a) between the valve 11 and the waste-blood suction syringe for dispensing the waste blood, arm 16 (b) is connected to the junction ( 9 ) at its one end and to a fresh-blood supplying syringe ( 13 ) at its other end through a valve ( 14 ), a fresh-blood supplying means is being connected in the arm 16 (b) between the valve 14 and the fresh-blood supplying syringe through a valve ( 15 ), and syringes ( 10 and 13 ) are being operated synchronously.
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