Ossur hf has been granted a patent for a ventilated prosthetic liner with a cushion layer and facing layer allowing air and moisture transfer. The liner includes a distal cup secured to the body region, with the cushion layer tapering in thickness towards the proximal end. GlobalData’s report on Ossur hf 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 Ossur hf, Prosthetic cardiac valves was a key innovation area identified from patents. Ossur hf's grant share as of January 2024 was 65%. Grant share is based on the ratio of number of grants to total number of patents.

Ventilated prosthetic liner with moisture transfer and distal cup

Source: United States Patent and Trademark Office (USPTO). Credit: Ossur hf

A recently granted patent (Publication Number: US11883306B2) discloses a prosthetic liner designed to enhance comfort and functionality for amputees. The liner features a unique construction with a cushion layer forming a lattice structure with sub-layers and interstices, allowing for air and moisture transfer. A facing layer with apertures facilitates this transfer, while a distal cup region provides durability and impermeability. The liner's tapering thickness from distal to proximal ends contributes to its overall design, ensuring a secure and comfortable fit for users.

Furthermore, the prosthetic liner includes sub-layers of filaments oriented in different directions within the cushion layer, promoting structural integrity and flexibility. The integration of these filaments without adhesive allows for a seamless bond, enhancing the liner's durability and performance. The inclusion of a porous textile layer on the exterior surface further adds to the liner's comfort and wearability, making it a comprehensive solution for prosthetic limb users seeking both functionality and comfort in their daily activities.

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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.