Patent ID: 7083587

Claim:
A blood transfusion system having a valve circuit, for transfusion of blood to a patient, said system comprising a Y-shaped connector comprising three arms [ 7 , 16 ( a ) and 16 ( b )] and a junction ( 9 ), wherein a first arm 7 of the three arms to connect to the patient at one end and connected to the junction ( 9 ) at the other end, a second arm 16 ( a ) of the three arms connected to the junction ( 9 ) at one end and connected to a waste-blood suction syringe ( 10 ) at the other end through a valve ( 11 ), an outlet is provided in the second arm 16 ( a ) between the valve 11 and the waste-blood suction syringe for dispensing the waste blood, a third arm ( 16 b ) of the three arms connected to the junction ( 9 ) at one end and connected to a fresh-blood supplying syringe ( 13 ) at the other end through a valve ( 14 ), a fresh-blood supplying means connected in to the third arm 16 ( b ) between the valve 14 and the fresh-blood supplying syringe through a valve ( 15 ), and waste blood suction syringe ( 10 ) and the fresh-blood supplying syringe ( 13 ) are operated synchronously.