Edwards Lifesciences has filed a patent for a tissue anchor delivery device. The device includes a handle, elongate shaft, pusher tube, pusher hub, needle, needle hub, and an actuator. The actuator is designed to advance the needle and pusher hubs, causing the needle to protrude from the shaft and the pusher tube to push a coiled suture form off the needle. 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 September 2023 was 46%. Grant share is based on the ratio of number of grants to total number of patents.
Tissue anchor delivery device with needle and pusher mechanism
A recently filed patent (Publication Number: US20230310153A1) describes a tissue anchor delivery device. The device consists of a handle, an elongate shaft, a pusher tube, a needle, a pusher hub, a needle hub, and an actuator. The actuator is designed to advance the needle and pusher hubs, causing the needle to protrude from the shaft and the pusher tube to push a coiled suture form off the needle.
The patent also mentions that the actuator can travel a certain distance to convert the coiled suture form into a knot form by approximating the ends of the suture form to create loops. The actuator can also pull the suture tails associated with the suture form in a proximal direction.
The device includes a suture catch to hold the suture tails, and there is slack in the portion of the tails between the suture form and the catch to allow for the advancement of the suture form.
The actuator disengages from the needle hub upon contact with a stopper within the handle, and the handle includes a stop member that causes the pusher or needle hub to release from the actuator.
The actuator is a plunger that can be manually pushed by the user. The distances for the advancement of the needle and pusher hubs are set by a stop member or hub-release mechanism in the handle.
The handle also limits the travel of the needle hub to control the protrusion distance of the needle tip. Once the needle hub has traveled the first distance, it automatically locks in place relative to the handle.
In summary, the patent describes a tissue anchor delivery device that allows for the controlled advancement of a needle and pusher tube to deliver a coiled suture form and convert it into a knot form. The device includes various features such as an actuator, suture catch, and stop mechanisms to ensure precise and controlled operation.
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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
