Patent ID: 7314554

Claim:
An extracorporeal blood treatment machine comprising: at least one filtration unit; a blood circuit having an inlet line leading to the filtration unit and an outlet line from the filtration unit; a fluid circuit having at least one inlet line leading to the filtration unit and one outlet line from the filtration unit; at least one infusion line comprising at least a pre-infusion branch connected to the inlet line of the blood circuit and a post-infusion branch connected to the outlet line of the blood circuit; an auxiliary pre-infusion line connected to the inlet line of the blood circuit at least one primary fluid container connected so as to supply the inlet line of the fluid circuit; at least a secondary fluid container for supplying said auxiliary pre-infusion line; at least one auxiliary fluid container for supplying said at least one infusion line, wherein the inlet line of the fluid circuit comprises an intake branch leading to the filtration unit and at least one infusion branch connected to the outlet line of the blood circuit, wherein said at least one infusion branch of the fluid circuit line has at least a length which is separate from said post-infusion branch of the at least one infusion line; said fluid circuit further comprising selecting means for determining percentages of a flow of a fluid within said length of the infusion branch and the intake branch, said at least one infusion line further comprising other selecting means for determining the percentage of flow within the post-infusion branch and the pre-infusion branch.