US Patent Issued to Baxter International, Baxter Healthcare on Oct. 21 for "Peritoneal dialysis system using pressurized chamber and pumping bladder" (Illinois Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,250, issued on Oct. 21, was assigned to Baxter International Inc. (Deerfield, Ill.) and Baxter Healthcare SA (Glattpark, Switzerland).

"Peritoneal dialysis system using pressurized chamber and pumping bladder" was invented by John Zafiris (Hawthorn Woods, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A peritoneal dialysis system includes a chamber; a hydraulic pump; an inflatable bladder located within the chamber and in hydraulic fluid communication with the hydraulic pump; and a control unit configured to cause a known amount of hydraulic fluid to be metered to the inflatable bladder and to determine (i) a first amount of air before a discha...