Hemodialyzer capable of intermittent repetition of infusion...

Details Hemodialyzer capable of intermittent repetition of infusion... Hemodialyzer capable of intermittent repetition of infusion...

2011-03-29

2011-03-29

Cecil, Terry K (Department: 1772)

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

C210S138000, C210S139000, C210S141000, C604S006110, C604S005010

Reexamination Certificate

active

07914681

ABSTRACT:
According to the present invention, there is provided a hemodiafiltration apparatus capable of easily and efficiently removing medium to large molecule solutes at a low cost. Provided is a hemodialysis apparatus which uses a hemodialyzer accommodating a hollow yarn membrane in hemodiafiltration to cause a dialysis fluid to flow from a dialysis fluid circuit side to a blood circuit side by forceful back-filtration via the hemodialyzer, and to cause a fluid in the blood circuit to reflux to a dialysis fluid circuit side by filtration via the hemodialyzer, the hemodialysis apparatus being characterized in that a flux operation of the fluid from the dialysis fluid side to the blood circuit side by the back-filtration, and a reflux operation of the fluid from the blood circuit side to the dialysis fluid circuit side by the filtration are repeated intermittently and for at least a plurality of times.

REFERENCES:
patent: 7780848 (2010-08-01), Kim et al.
patent: 6-134031 (1994-05-01), None
patent: 7-313589 (1995-12-01), None
patent: 11-221275 (1999-08-01), None
patent: 3277569 (2002-04-01), None
patent: 2004-016675 (2004-01-01), None
patent: 3528597 (2004-05-01), None

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