Endologix has filed a patent for a stent graft system comprising multiple layers of graft material, stent members, reducing belts, and a release wire. The system allows for radial expansion by pulling the release wire. GlobalData’s report on Endologix 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 Endologix, Prosthetic cardiac valves was a key innovation area identified from patents. Endologix's grant share as of January 2024 was 51%. Grant share is based on the ratio of number of grants to total number of patents.

Stent graft system with stent members and reducing belts

Source: United States Patent and Trademark Office (USPTO). Credit: Endologix LLC

The patent application (Publication Number: US20230363886A1) describes a method for manufacturing a stent graft system. The method involves placing stent members on a layer of graft material, surrounding each stent member with a spacer, encapsulating the spacer with another layer of graft material, and then removing the spacer to create a channel around each stent member. Additionally, reducing belts are placed in the channels to compress the stent members radially. The second layer of graft material is compressed axially to form pleats, heat is applied to set creases, and then the material is pulled to uncompress it after the pleats are set.

Furthermore, the method includes specific details such as using tubes as spacers, thread reducing belts, and loops in the reducing belts for holding the stent members in a compressed state. The reducing belts are positioned in a way that their ends extend out of the graft material, and a release wire is used to hold them in place. The process also involves baking the second layer of graft material in an oven to set the creases for the pleats. The patent application also covers the manufacturing of the stent graft system itself, following the described method.

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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