Edwards Lifesciences has been granted a patent for an active introducer sheath system that utilizes a translation mechanism to adjust the diameter of a cylindrical structure. This innovation facilitates the routing and implantation of prosthetic devices, such as heart valves, by enabling controlled expansion and contraction of the sheath. GlobalData’s report on Edwards Lifesciences 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 Edwards Lifesciences, Prosthetic cardiac valves was a key innovation area identified from patents. Edwards Lifesciences's grant share as of July 2024 was 46%. Grant share is based on the ratio of number of grants to total number of patents.
Active introducer sheath system for prosthetic device implantation
The patent US12070388B2 describes an innovative active introducer sheath system designed for medical applications. Central to this system is a handle that incorporates a translation mechanism featuring a rotating nut. This nut is threadably engaged with the handle and can move axially upon rotation. The sheath itself consists of a cylindrical structure that includes both a fixed rod and a mobile rod. The proximal end of the fixed rod is securely attached to the handle, while the mobile rod is connected to the translation mechanism. The design allows for the mobile rod to move axially in relation to the fixed rod, enabling the diameter of the cylindrical structure to change between a first and a second diameter.
Further claims detail the mechanics of the translation mechanism, including the presence of a sliding ring that is rotatably coupled to the rotating nut. This configuration allows for coordinated axial movement of the mobile rod and sliding ring as the nut is rotated. The system also includes various connector pieces that secure the rods to the handle and translation mechanism. Notably, the attachment between the fixed and mobile rods can be achieved through an attachment line, which may consist of rings or coils. This design facilitates adjustments in tension, allowing for precise control over the spacing and radial positioning of the rods, thereby altering the sheath's diameter. Additionally, the patent outlines configurations involving multiple fixed and mobile rods arranged in a cylindrical manner, enhancing the system's versatility for different medical 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.
