Method and a device for preparing a medical liquid

Details Method and a device for preparing a medical liquid Method and a device for preparing a medical liquid

2006-06-27

2006-06-27

Kim, John (Department: 1723)

Liquid purification or separation

Processes

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

C210S645000, C210S646000, C210S739000, C210S746000, C210S321710, C210S143000, C210S929000, C210S085000, C210S086000, C210S097000, C210S101000, C210S134000, C604S005010, C604S006110, C604S065000, C604S067000

Reexamination Certificate

active

07067061

ABSTRACT:
A method for preparing a medical liquid from a liquid, such as water, and two concentrated solutions comprises the following steps:circulating the liquid in a conduit (15), at a flowrate Q0;injecting into the conduit (15), at a flowrate Q1, a first concentrated solution containing a first ionic substance A and a second ionic substance B, the ionic substances A and B having, respectively, in the first concentrated solution, a concentration [Asol] and a first concentration [B1sol];injecting into the conduit (15), at a flowrate Q2, a second concentrated solution containing the first ionic substance A and the second ionic substance B, the first ionic substance A having, in the second concentrated solution, the same concentration [Asol] as in the first concentrated solution, and the second ionic substance B having, in the second concentrated solution, a second concentration [B2sol] different than the first concentration [B1sol] in the first concentrated solution;regulating the injection flowrate Q1and the injection flowrate Q2of the first and second concentrated solutions in such a way that at any given time the diluted solution resulting from the mixing of the liquid and the concentrated solutions has a desired concentration [Ades] of first substance A and a desired concentration [Bdes] of second substance B.

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patent: 2 504 817 (1982-11-01), None
patent: WO 95/08299 (1995-03-01), None

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