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.

Date of Patent:
Aug. 14, 2018

Filed:

Sep. 25, 2015
Applicants:

Baxter International Inc., Deerfield, IL (US);

Baxter Healthcare S.a., Glattpark (Opfikon), CH;

Inventors:

Jeff White, Waukegan, IL (US);

Ye Chen, Vernon Hills, IL (US);

Yuanpang Samuel Ding, Libertyville, IL (US);

Joel Titus, Lake Zurich, IL (US);

Justin Rohde, Des Plaines, IL (US);

Shincy Maliekkal, Glenview, IL (US);

Kevin Cooper, Libertyville, IL (US);

Assignees:

Baxter International Inc., Deerfield, IL (US);

Baxter Healthcare SA, Glattpark (Opfikon), CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/00 (2006.01); C02F 9/00 (2006.01); A61M 1/16 (2006.01); G01N 27/416 (2006.01); G01N 33/00 (2006.01); C02F 1/50 (2006.01); G01N 27/30 (2006.01); G01N 27/413 (2006.01); B01D 35/00 (2006.01); C02F 103/02 (2006.01);
U.S. Cl.
CPC ...
A61M 1/1656 (2013.01); A61M 1/1603 (2014.02); A61M 1/1664 (2014.02); A61M 1/1668 (2014.02); C02F 1/50 (2013.01); G01N 27/30 (2013.01); G01N 27/413 (2013.01); G01N 27/4168 (2013.01); G01N 33/0036 (2013.01); A61M 2205/3327 (2013.01); A61M 2205/502 (2013.01); A61M 2205/75 (2013.01); C02F 2103/026 (2013.01); Y02W 10/33 (2015.05);
Abstract

A system and method for determining a concentration of total chlorine in dialysis water are provided. The system comprises a main unit housing an iodide/water sample chamber and a reducing agent chamber. An electrode pair bridges the two chambers and generates tri-iodide proportional to the amount of total chlorine in the dialysis water. The electrode pair detects the amount of tri-iodide generated in proportion to the amount of active chloride in the dialysis water. The system is suitable for use in connection with, or for incorporation into, a water purification system for generating dialysis fluid, and may include a display that alerts the user to stop or prevent a hemodialysis treatment if the total chlorine level exceeds a predetermined level.


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