| 摘要 |
PROBLEM TO BE SOLVED: To provide a blood bag system in which there is not the concentration reduction of a blood element preparation that is prepared, the addition of a new blood element preservation solution is not needed, and the improvement of the recovery rate of the blood element preparation can be attempted also.SOLUTION: A blood bag system 30 includes a blood processing filter 8, a first bag 1 for holding the blood to be supplied to the blood processing filter 8, a second bag 2 for holding the blood processed by the blood processing filter 8, a preservative solution supply means 7 for supplying a blood element preservative solution to the blood processing filter 8, a third bag 3 that recovers blood remaining in the blood processing filter 8 that is displaced by the blood element preservative solution and stores the recovered blood temporarily, and a fourth bag 4 to which blood elements separated from the processed blood held in the second bag 2 are transferred and that holds the transferred blood elements.The blood element preservation solution is stored in the third bag 3 as a recovery blood with the blood that remains in the blood processing filter, and is not mixed with the processing blood that is stored in the second bag 2. |
