Hemodiafiltration apparatus
Patent 4702829 Issued on October 27, 1987. Estimated Expiration Date: 
December 6, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 6, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3579441 Hemodialysis apparatus Peritoneal artificial kidney Patent #: 4338190 InventorsApplicationNo. 06/806073 filed on 12/06/1985US Classes:210/195.2, With semipermeable membrane, e.g., dialyzer, etc.210/259, Diverse210/321.72, Each section having inlet(s) and outlet(s)210/335, In series for prefilt flow210/416.1, With pump, gas pressure, or suction source604/6.09, Filter means604/6.11Pumping meansExaminersPrimary: Fisher, Richard V.Assistant: Jones, W. Gary Attorney, Agent or FirmInternational ClassesC02F 1/44 (20060101)A61M 1/34 (20060101) B01D 65/00 (20060101) B01D 65/10 (20060101) B01D 61/14 (20060101) A61M 1/16 (20060101) Foreign Application Priority Data1984-12-07 DEAbstractHemodiafiltration apparatus (10) comprising a closed dialysis solution cycle which has a balancing system (28), wherein into the closed cycle a first sterile filter (44) is connected from which a connecting line (74, 90, 94) leads to the venous drip chamber (114) of the blood path (102). Connected into said connecting line downstream of the first sterile filter (44) is a substituate pump (76) which is followed downstream by a second sterile filter (78).Other References
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