Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1993-02-12
1994-06-07
Housel, James C.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
422 82, 422 8202, 422110, 137268, 210646, 210647, 366152, 604 4, 604 5, 604 6, A61M 116, B01F 510
Patent
active
053187504
ABSTRACT:
A device for the extemporaneous and continuous preparation of a solution for dialysis by the dissolution of several substances in powder form in water. The device includes a number of independent cartridges each containing a salt of a substance necessary for the preparation of the dialyzate, such as sodium chloride, potassium chloride, calcium chloride, magnesium chloride, and sodium bicarbonate. The device includes at least one first conduit communicating with an inlet to the cartridges for introducing water into the cartridges to produce aqueous solutions in said cartridges, at least one second conduit communicating with an outlet from said cartridges for bringing the aqueous solutions to mixing point located upstream from a dialysis circuit, a first measurement device mounted on the second conduit upstream from the mixing point, for measuring the concentration of the aqueous solutions at the outlet of the cartridges, a second measurement device mounted downstream from the dialysis circuit, and at least one flow-rate regulating device for regulating the flow rate of the water to modify the concentration of the aqueous solutions in response to the information provided by the first and second measurement devices.
REFERENCES:
patent: 4158034 (1979-06-01), Riede et al.
patent: 4784495 (1988-11-01), Jonsson et al.
patent: 5173125 (1992-12-01), Felding
Housel James C.
Redding David
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