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:
Jul. 18, 2023
Filed:
Dec. 12, 2019
Nxstage Medical, Inc., Lawrence, MA (US);
Orlando Soto, Amesbury, MA (US);
Joseph Rausa, Lawrence, MA (US);
James M. Brugger, Newburyport, MA (US);
William J. Schnell, Libertyville, IL (US);
Goetz Friederichs, Beverly, MA (US);
Jeffrey H. Burbank, Manchester, MA (US);
Joseph E. Turk, Jr., North Andover, MA (US);
Scott W. Newell, Ipswich, MA (US);
Amanda Wozniak, Somerville, MA (US);
NxStage Medical, Inc., Lawrence, MA (US);
Abstract
A conductivity measurement device includes first and second conductivity measurement flow channels positioned in a fluid circuit and fluidly linked for fluid flow between the first and second conductivity measurement flow channels. A controller having a current source connected to the first and second conductivity channels applies alternating voltages at frequencies that are different, each being respective to one of the first and second conductivity cells.