| 摘要 |
PROBLEM TO BE SOLVED: To provide a blood purification device capable of avoiding clogging in an artery side puncture needle when blood is returned, and avoiding there being a restriction exclusively for returning blood on a filtration film of a blood purifier.SOLUTION: A blood purification device includes: a liquid supply line L3 connected to a predetermined position of an artery side blood circuit 1a or a vein side blood circuit 1b for introducing a replacement liquid for replacing blood to a blood circuit 1 at the blood returning time when blood in the blood circuit 1 is returned to a patient's body; connection means 8 formed on the downstream side of the arrangement position of a blood pump 3 in the blood circuit 1 for connecting the tip of the artery side blood circuit 1a in a state that an artery side puncture needle a is removed at the blood returning time; and control means A capable of introducing the replacement liquid from the liquid supply line L3 to the blood circuit 1 while controlling the drive of the blood pump 3 at the blood returning time.SELECTED DRAWING: Figure 6 |
