Alphatec. has been granted a patent for an expandable interbody device featuring superior and inferior shells with a control assembly. This assembly includes nested cages connected by an adjustment screw, allowing for controlled expansion or contraction of the interbody through relative movement of the cages. GlobalData’s report on Alphatec 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 Alphatec, Prosthetic cardiac valves was a key innovation area identified from patents. Alphatec's grant share as of June 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.
Expandable interbody device with adjustable shells and cages
The granted patent US12004964B2 describes an innovative expandable interbody device designed for spinal applications. The device consists of a superior shell and an inferior shell, each featuring side walls with angled channels. Central to its functionality is a control member that includes interlocking proximal and distal cages, along with an adjustment screw that operates along a defined longitudinal axis. The proximal and distal cages are equipped with lateral projections that engage with the angled channels of the shells. This configuration allows for the longitudinal movement of the distal cage relative to the proximal cage when the adjustment screw is rotated, enabling the interbody to expand or contract transversely.
Further claims detail additional features of the expandable interbody, such as the inclusion of angled surfaces on the shells and cages that facilitate engagement, and the potential for rounded or cylindrical surfaces to enhance contact points. The adjustment screw can engage with either or both cages, and the design incorporates a twin screw mechanism for improved functionality. Notably, the shells are designed to form a bullet-like nose shape when collapsed, and the device includes openings for bone growth, enhancing its integration with the body. The use of porous materials in various components is also highlighted, which may promote biocompatibility and structural integrity. Overall, the patent outlines a sophisticated design aimed at improving spinal interbody fusion procedures.
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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.
