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1. (WO2001032237) METHOD AND DEVICE FOR PREPARING A MEDICAL FLUID

Pub. No.:    WO/2001/032237    International Application No.:    PCT/IB2000/001588
Publication Date: Fri May 11 01:59:59 CEST 2001 International Filing Date: Fri Nov 03 00:59:59 CET 2000
IPC: A61M 1/16
B01F 3/08
Applicants: HOSPAL AG
BOSETTO, Antonio
PAOLINI, Francesco
Inventors: BOSETTO, Antonio
PAOLINI, Francesco
Title: METHOD AND DEVICE FOR PREPARING A MEDICAL FLUID
Abstract:
The invention concerns a method for preparing a medical fluid from a liquid such as water and two concentrated solutions comprising the following steps: causing the liquid to circulate in a piping system (15) at a flow rate Q0; injecting into the piping system (15), at a flow rate 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 piping system (15), at a flow rate 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 from the first concentration [B1sol] in the first concentrated solution; adjusting the flow rate of injection Q1 and the flow rate of injection Q2 of the first and second concentrated solutions such that, at any time, the diluted solution resulting from the liquid mixture and the concentrated solutions has a desired concentration [Ades] of the first substance A and a desired concentration [Bdes] of the second substance B.