Automated disinfection system

Details Automated disinfection system Automated disinfection system

1986-04-30

1988-12-06

Fisher, Richard V.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Diverse sensing means

210120, 210136, 210140, 21032169, 21032171, 422113, 422116, B01D 1300

Patent

active

047894679

ABSTRACT:
An automated disinfection system for a hemodialysis machine having a proportioning pump includes a manifold block having a check valve for connection to a container of disinfection solution. The manifold block has an outlet connected to the suction line of the pump and an inlet connected to a warm water source via a solenoid valve. A timing and control circuit controls the solenoid valve to produce a water rinse cycle when the solenoid valve is open and a disinfection cycle when the solenoid valve is closed. The check valve closes when positive pressure is present in the manifold block during a rinse cycle and opens to admit solution to the pump when negative pressure is present in the manifold block during a disinfection cycle.

REFERENCES:
patent: 4158034 (1979-06-01), Riede et al.
patent: 4166031 (1979-08-01), Hardy
patent: 4332264 (1982-06-01), Gortz et al.
DePalma, J. R. et al, "New Artificial Kidney Reuse Machine", Tran. Am. Soc. Artif. Int. Organs, vol. 20, 4/1974, pp. 584-588.
"Travenol Introduces the Automated Disinfection Module", brochure no. 466720, Travenol Laboratories, Inc., 12/85.
"Umbrellas", brochure no. SMYK980, Vernay Laboratories, Inc., 2 pages, 1980.

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