Merit Medical Systems has filed a patent for medical devices, including vascular access kits, systems, and methods. The patent describes a vascular access system that includes a first conduit, a second conduit, and an expandable stent, allowing for a continuous lumen between the conduits. The patent also discloses methods for deploying the system within a mammal’s body and bypassing a section of vasculature. The system, when implanted and assembled, can be a fully subcutaneous surgical implant. GlobalData’s report on Merit Medical Systems 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 Merit Medical Systems, prosthetic cardiac valves was a key innovation area identified from patents. Merit Medical Systems's grant share as of September 2023 was 55%. Grant share is based on the ratio of number of grants to total number of patents.

Vascular access system with expandable stent

Source: United States Patent and Trademark Office (USPTO). Credit: Merit Medical Systems Inc

A recently filed patent (Publication Number: US20230310187A1) describes a vascular access system that aims to improve access to a patient's vasculature for medical procedures. The system consists of two conduits, with one conduit designed to be placed within the vena cava and the other conduit directly anastomosed to the patient's vasculature. The first conduit features an expandable stent at its second end, which can be deployed within the second conduit. The expandable stent is designed to be fluid tight.

The patent claims also describe different variations of the expandable stent. Claim 8 states that the stent can be self-expanding, while claim 9 mentions the possibility of a balloon expandable stent. The first and second conduits can be made of a fibrous polymer, as stated in claim 10. Additionally, claim 11 highlights that the conduits can have a puncturable and self-sealing wall material, allowing for needle insertion and resealing upon withdrawal.

The patent also covers the method for implanting the vascular access system. Claim 18 outlines the steps, which include coupling a graft portion of the access system to the patient's arm vasculature, inserting the first end of a reinforced portion into the vena cava, and expanding the second end of the reinforced portion within the graft portion to establish a connection. The reinforced portion can feature a self-expanding stent, as mentioned in claim 19, or a stent that expands through balloon inflation, as stated in claim 20.

Another method described in the patent involves inserting the first conduit into the patient's vena cava, inserting the second conduit into the patient's arm, and deploying the expandable stent to connect the two conduits. This method ensures a continuous lumen from the first conduit to the second conduit, with a portion of the expandable stent positioned outside the conduits and the patient's vasculature.

Overall, this patent presents a vascular access system that offers improved access to a patient's vasculature for medical procedures. The system includes expandable stents, different conduit materials, and methods for implantation that ensure a continuous lumen for medical interventions.

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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