The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 21, 2004
Filed:
Oct. 09, 2001
Antonio Bosetto, Mirandola, IT;
Francesco Paolini, Modena, IT;
Gambro Hospal AG, Basel, CH;
Abstract
A method for extracorporeal treatment of blood includes preparing a treatment liquid from a liquid and two concentrated solutions by circulating the liquid in a preparation conduit at a flowrate Q ; injecting a first concentrated solution containing at least a first ionic substance A and a second ionic substance B into the preparation conduit at a flowrate Q ; and injecting a second concentrated solution containing at least the first ionic substance A into the preparation conduit at a flowrate Q . The ionic substance B may have a first concentration in the first concentrated solution and a second concentration, different from the first concentration, in the second concentrated solution. The method may also include regulating the injection flowrates Q and Q 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 of the first ionic substance A and a desired concentration of the second ionic substance B. The method may further include supplying the treatment liquid to an inlet of a membrane exchanger; removing a spent liquid from an outlet of the membrane exchanger; measuring the concentration of the second ionic substance in the treatment liquid; and measuring the concentration of the second ionic substance in the spent liquid. The injection flowrates Q and Q may be regulated on the basis of the concentrations of the second ionic substance measured in the treatment liquid and in the spent liquid.