LumiraDx has been granted a patent for a diagnostic test strip featuring an integrated resistive heater and thermocouple. The invention includes a substrate with a conductive layer, thermocouple elements, and distinct connector tracks, enhancing the functionality of diagnostic assays through improved temperature control and measurement. GlobalData’s report on LumiraDx 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 LumiraDx, was a key innovation area identified from patents. LumiraDx's grant share as of June 2024 was 42%. Grant share is based on the ratio of number of grants to total number of patents.
Integrated diagnostic test strip with heater and thermocouple
The patent US12031874B2 describes a diagnostic test strip that integrates a resistive heater and a thermocouple within a single substrate. The design features a continuous layer of conductive material that serves as the resistive heater, with distinct heater connector tracks positioned along its periphery. The thermocouple is strategically placed to ensure electrical communication with the resistive heater, forming a thermocouple junction. This configuration allows for precise temperature measurements while maintaining the functionality of the resistive heater. The claims detail various configurations of the thermocouple and heater tracks, emphasizing their spatial relationships and the uniform electric field they can create across the resistive heater.
Additionally, the patent outlines methods for manufacturing the diagnostic test strip and conducting assays using the device. The process involves providing a substrate, integrating the resistive heater and thermocouple, and ensuring that the thermocouple element is formed from a material with higher conductivity than that of the resistive heater. The assay method includes introducing a sample into a designated chamber or flowpath, heating it with the resistive heater, and making measurements. The claims also suggest options for cooling the sample or maintaining it at a specific temperature for repeated measurements, enhancing the versatility of the diagnostic test strip in various applications.
To know more about GlobalData’s detailed insights on LumiraDx, buy the report here.
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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.
