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:
Oct. 07, 2025

Filed:

Nov. 10, 2022
Applicants:

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

Baxter Healthcare SA, Glattpark, CH;

Inventors:

John Norman, Gurnee, IL (US);

Edward Szpara, St. Charles, IL (US);

Karl Cazzini, Lindenhurst, IL (US);

Assignees:

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

Baxter Healthcare SA, Glattpark, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 1/16 (2006.01); A61M 1/14 (2006.01); A61M 1/28 (2006.01);
U.S. Cl.
CPC ...
A61M 1/1645 (2014.02); A61M 1/1524 (2022.05); A61M 1/155 (2022.05); A61M 1/1561 (2022.05); A61M 1/1565 (2022.05); A61M 1/159 (2022.05); A61M 1/1672 (2014.02); A61M 1/1686 (2013.01); A61M 1/285 (2013.01); A61M 1/288 (2014.02); A61M 1/284 (2014.02); A61M 2205/126 (2013.01); A61M 2205/3331 (2013.01); A61M 2205/502 (2013.01);
Abstract

A medical fluid treatment system includes a source of purified water; at least one concentrate for mixing with the water from the source to form a treatment fluid; a disposable set including a pumping portion, a concentrate line in fluid communication with the concentrate source and the pumping portion, and a patient line in fluid communication with the pumping portion, the patient line including a filter having a membrane configured to filter the treatment fluid, the filter configured such that (i) fresh treatment fluid flowing from the pumping portion towards a patient flows through the membrane and (ii) used treatment fluid flowing through the filter from the patient to the pumping portion bypasses the membrane; and a medical fluid delivery machine including a pump actuator operable with the pumping portion of the disposable set.


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