US Patent Issued to NxStage Medical on Sept. 9 for "Fluid preparation and treatment devices methods and systems" (Massachusetts Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,259, issued on Sept. 9, was assigned to NxStage Medical Inc. (Lawrence, Mass.).

"Fluid preparation and treatment devices methods and systems" was invented by Mark T. Wyeth (Andover, Mass.), Gregory Yantz (Boxford, Mass.) and Ciro A. de la Vega (Amesbury, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 m...