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:
Sep. 09, 2025

Filed:

Dec. 12, 2023
Applicant:

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

Inventors:

Mark T. Wyeth, Andover, MA (US);

Gregory Yantz, Boxford, MA (US);

Ciro A. De La Vega, Amesbury, MA (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 1/28 (2006.01); A61M 1/14 (2006.01); A61M 1/16 (2006.01); A61M 1/26 (2006.01); C02F 1/44 (2023.01); C02F 103/02 (2006.01);
U.S. Cl.
CPC ...
A61M 1/287 (2013.01); A61M 1/1524 (2022.05); A61M 1/154 (2022.05); A61M 1/155 (2022.05); A61M 1/156 (2022.05); A61M 1/1562 (2022.05); A61M 1/1565 (2022.05); A61M 1/159 (2022.05); A61M 1/1664 (2014.02); A61M 1/1666 (2014.02); A61M 1/1672 (2014.02); A61M 1/1674 (2014.02); A61M 1/1696 (2013.01); A61M 1/267 (2014.02); A61M 1/28 (2013.01); A61M 1/288 (2014.02); A61M 2205/05 (2013.01); A61M 2205/12 (2013.01); A61M 2205/126 (2013.01); A61M 2205/127 (2013.01); A61M 2205/128 (2013.01); A61M 2205/15 (2013.01); A61M 2205/215 (2013.01); A61M 2205/3334 (2013.01); A61M 2205/3344 (2013.01); A61M 2205/3569 (2013.01); A61M 2205/702 (2013.01); A61M 2205/8212 (2013.01); C02F 1/444 (2013.01); C02F 2103/026 (2013.01); C02F 2201/005 (2013.01); C02F 2209/03 (2013.01);
Abstract

Methods, device, and systems for preparing peritoneal dialysis fluid and/or administering a peritoneal dialysis treatment are disclosed. In embodiments, peritoneal dialysis fluid is prepared at a point of use automatically using a daily sterile disposable fluid circuit and one or more long-term concentrate containers that are changed only after multiple days (e.g. weekly). The daily disposable may have concentrate containers that are initially empty and are filled from the long-term concentrate containers once per day at the beginning of a treatment.


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