Insulet. has filed a patent for thermal weld structures in on-body medical devices to prevent tearing of adhesive layers when subjected to lateral forces. The structures include sacrificial thermal weld features like gradient or dot structures to absorb and diffuse forces. GlobalData’s report on Insulet 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 Insulet, Wearable drug delivery devices was a key innovation area identified from patents. Insulet's grant share as of January 2024 was 46%. Grant share is based on the ratio of number of grants to total number of patents.
Thermal weld structures for on-body medical device adhesive layer
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The patent application (Publication Number: US20240033421A1) describes an on-body medical device with innovative meltable thermal weld features for securing the device to a user's skin. The device includes a surface, an adhesive layer with a substrate and adhesive, and meltable thermal weld features on the surface. These features consist of first and second meltable structures with varying amounts of meltable material above melting borders, allowing for secure attachment when melted. The first structure has a uniform amount of material, while the second structure has a gradient in material amount along its length.
Furthermore, the device includes additional features such as spot weld features and dot thermal weld structures for enhanced attachment. The spot weld features, made of a third meltable material, are strategically placed to be the weakest weld once melted, forming a thermal weld. The dot thermal weld structures come in different diameters and heights, grouped into spatially segregated groups on the device's surface. These groups may contain structures of varying heights or diameters, with different average spacing between them, ensuring a secure and reliable attachment to the user's skin. Overall, the patent application showcases a novel approach to on-body medical devices, offering improved adhesion and reliability through innovative thermal weld features.
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