Dialysis device

Details Dialysis device Dialysis device

2006-05-16

2006-05-16

Kim, John (Department: 1723)

Liquid purification or separation

Casing divided by membrane into sections having inlet

Dialyzer with dialysate proportioning means

C210S252000, C210S257100, C210S257200, C210S258000, C210S416100

Reexamination Certificate

active

07045061

ABSTRACT:
A dialysis device1includes a water supply passage15for supplying clean water to solution supply chambers35aand35b, and a waste solution passage for discharging a used dialysis solution from solution collection chambers34aand34b, and the water supply passage includes a concentrate solution pump21that supplies a dialysis concentrate solution from concentrate solution supply source19.The concentrate solution pump is a piston pump40that moves a piston42up and down in a cylinder41to feed a solution, the piston pump is provided in the way of washing passage26provided between the water supply passage and the waste solution passage, and an open/close valve27that intermittently opens and closes is provided in the washing passage to flow the clean water in the water supply passage through a gap between the cylinder and the piston.

REFERENCES:
patent: 4267040 (1981-05-01), Schal
patent: 3395872 (2003-02-01), None

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