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:
May. 23, 2023

Filed:

Jun. 10, 2022
Applicant:

Nxstage Medical, Inc., Lawrence, MA (US);

Inventors:

James M. Brugger, Newburyport, MA (US);

Jeffrey H. Burbank, Manchester, MA (US);

Goetz Friederichs, Beverly, MA (US);

Scott W. Newell, Ipswich, MA (US);

William J. Schnell, Libertyville, IL (US);

Orlando Soto, Amesbury, MA (US);

Assignee:

NxStage Medical, Inc., Lawrence, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 27/08 (2006.01); A61M 1/16 (2006.01); G01N 27/06 (2006.01); G01N 27/08 (2006.01); G01R 27/22 (2006.01);
U.S. Cl.
CPC ...
A61M 1/1658 (2013.01); A61M 1/1601 (2014.02); A61M 1/1672 (2014.02); G01N 27/06 (2013.01); G01N 27/08 (2013.01); G01R 27/22 (2013.01); A61M 2205/3317 (2013.01); A61M 2205/3368 (2013.01);
Abstract

A medicament preparation system includes a disposable cartridge with a flow path. Various sensors may be placed on the cartridge to measure qualities of the fluid flowing through the flow path. The sensors are placed in precise locations using various approaches that make manufacturing of the cartridge efficient and repeatable. A drain line that is susceptible to fouling may be preattached and various approaches are used to remove or reduce the fouling. An elastomeric contact can also be present in the medical preparation system and used in a conductivity measurement subsystem.


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