MetaMedical™ Solutions Inc

Patent Filed by Cue Health Inc for Capillary Flow Sample Analysis Cartridge

According to GlobalData’s company profile on Cue Health, Microfluidic devices was a key innovation area identified from patents. Cue Health‘s grant share as of January 2024 was 63%. Grant share is based on the ratio of number of grants to total number of patents.

Sample analysis cartridge with capillary flow for detecting molecules

Source: United States Patent and Trademark Office (USPTO). Credit: Cue Health Inc

A recently granted patent (Publication Number: US11845078B2) discloses a sample analysis cartridge designed for efficient sample analysis. The cartridge includes an input tunnel for sample collection, a reservoir for holding fluid, and an analysis channel with a continuous hydrophilic surface facilitating capillary flow of the fluid to an electrochemical sensor. The sensor, chemically modified with thiolated ethylene glycol, is positioned to detect signals indicative of target analytes in the sample. The design also features a sloped bottom floor in the reservoir to encourage fluid flow towards the outlet, ensuring optimal performance.

Moreover, the patent includes claims for a kit comprising the sample analysis cartridge and a reader for signal processing, a substrate reservoir for reacting with reagents over the working electrode, and a wash reservoir for cleaning. The reader, equipped with a magnet for holding magnetic particles over the electrode, and a processor for signal processing, enhances the functionality of the cartridge. Additional features such as backfilling the working electrode surface, using specific materials like mercaptoundecanoic acid, and incorporating piezoelectric transducers for mixing the fluid with samples and reagents further highlight the innovative aspects of this patented technology.

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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.

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