Baxter International has patented a device for cleansing dialysis fluid by removing urea through electrooxidation. The device includes a urea decomposition unit and an electrodialysis unit, utilizing specific electrodes and membranes to produce cleansed dialysis fluid for patient treatment. GlobalData’s report on Baxter International gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Baxter International, Remote monitored dialysis machines was a key innovation area identified from patents. Baxter International's grant share as of February 2024 was 61%. Grant share is based on the ratio of number of grants to total number of patents.

Device for cleansing dialysis fluid via electrooxidation and electrodialysis

Source: United States Patent and Trademark Office (USPTO). Credit: Baxter International Inc

A recently granted patent (Publication Number: US11925737B2) discloses a dialysis fluid cleansing device designed to remove urea from used dialysis fluid to produce cleansed dialysis fluid. The device includes a urea decomposition unit with an alkaline polymeric gel, an inlet for used dialysis fluid, an outlet for cleansed fluid, and a set of electrodes for urea decomposition via electrooxidation. The anode of the electrodes comprises various metals or alloys. Additionally, an electrodialysis unit with a second set of electrodes is included for separating a salt solution into acid and basic streams. The basic stream can be connected to the urea decomposition unit's inlet, while the acid stream can be connected to the outlet, aiding in the formation of the cleansed dialysis fluid.

Furthermore, the patent describes a hemodialysis system incorporating the dialysis fluid cleansing device. The system includes a blood circuit and a dialysis fluid circuit, with the latter connected to the urea removal device. The system's urea decomposition unit and electrodialysis unit work in tandem to remove urea from the used dialysis fluid, producing a cleansed dialysis fluid. The innovative design of the device, utilizing electrooxidation and electrodialysis processes, offers a promising solution for enhancing the efficiency of dialysis treatments by effectively cleansing the dialysis fluid before it is used in the hemodialysis system.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.