Dialysis device and method for cleaning the same

Details Dialysis device and method for cleaning the same Dialysis device and method for cleaning the same

2007-04-24

2009-11-24

Kim, John (Department: 1797)

Liquid purification or separation

Processes

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

C210S645000, C210S646000, C210S739000, C210S746000, C210S749000, C422S001000, C422S028000

Reexamination Certificate

active

07622043

ABSTRACT:
In cleaning the dialysis device, first, the concentrate passage is disconnected from the dialysis solution concentrate container and is connected to the branched passage, and a pre-cleaning process is performed in which the fluid circuit is replace with the purified water, and determining means (4a) of a control device (4) determines that the fluid circulating in the fluid circuit is not the dialysis solution by using a conductivity meter (29), and also determines that gas is not contained in the fluid circuit by using a downward movement detecting sensor34bin a deaeration tank, and then a main cleaning process is performed by using a cleaning solution. Incomplete cleaning due to incomplete connection can be prevented.

REFERENCES:
patent: 3441136 (1969-04-01), Wilson, Jr. et al.
patent: 3753493 (1973-08-01), Mellor
patent: 3871913 (1975-03-01), Shaldon
patent: 4153554 (1979-05-01), von der Heide et al.
patent: 4166031 (1979-08-01), Hardy
patent: 4618343 (1986-10-01), Polaschegg
patent: 4718022 (1988-01-01), Cochran
patent: 4731731 (1988-03-01), Cochran
patent: 4789467 (1988-12-01), Lindsay et al.
patent: 5759489 (1998-06-01), Miura et al.
patent: 2001-009029 (2001-01-01), None
English Translation of Japanese Publication No. 2001-009029.

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