Fresenius Medical Care has patented a drip chamber design with a nucleation column to efficiently separate air from blood in a blood line. The chamber features microfeatures on the inner surface to enhance nucleation efficiency. This innovation aims to improve the performance of medical devices in blood filtration processes. GlobalData’s report on Fresenius Medical Care 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 Fresenius Medical Care, Remote monitored dialysis machines was a key innovation area identified from patents. Fresenius Medical Care's grant share as of May 2024 was 49%. Grant share is based on the ratio of number of grants to total number of patents.
Drip chamber with improved nucleation efficiency for blood separation
A recently granted patent (Publication Number: US11998674B2) discloses a drip chamber designed for separating air from blood in a blood line. The drip chamber features a hollow body with an inlet and outlet, where the inner surface of the sidewall has been treated to form microfeatures. These microfeatures enhance nucleation efficiency and provide sites for the amalgamation of microbubbles in the liquid that comes into contact with the inner surface. Additionally, the drip chamber may include a bubble catcher and a nucleation column to further facilitate the separation process.
Furthermore, the patent claims detail various embodiments of the drip chamber, including the addition of a nucleation column inside the hollow body and different treatments for the inner surface such as coating, machining, or chemical etching. The coating treatment, in particular, may involve the application of microparticles to the inner surface to enhance its functionality. These innovative features aim to improve the performance of drip chambers in medical devices, ensuring efficient separation of air from blood during medical procedures.
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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.
