Silk Road Medical‘s patent involves a method for treating carotid artery lesions in mammals. The process includes accessing the artery transcervically, blocking blood flow in the common carotid artery, shunting blood from the internal carotid artery, and treating the lesion with a stent. GlobalData’s report on Silk Road Medical 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 Silk Road Medical, Cardiothoracic surgery instruments was a key innovation area identified from patents. Silk Road Medical's grant share as of February 2024 was 48%. Grant share is based on the ratio of number of grants to total number of patents.

Method for treating carotid artery lesions using transcervical access

Source: United States Patent and Trademark Office (USPTO). Credit: Silk Road Medical Inc

A recently granted patent (Publication Number: US11918226B2) discloses a method for treating a lesion in a carotid artery of a patient. The method involves inserting an arterial access device into the artery, expanding an occlusion element to block the common carotid artery, and pumping blood from the artery to a return location via the device and a shunt. The lesion is then treated by deploying a stent on it. The patent also includes various embodiments, such as using a syringe or a pump to pump blood, filtering the blood before shunting it, and sensing the blood flow with a flow sensor.

Additionally, the patent describes the use of an anchor element to prevent dislodging of the arterial access device, making an arterial puncture directly into the common carotid artery for device insertion, and removing the device post-treatment. The return location for the pumped blood can be a vein, an external container, or a syringe. The method provides a comprehensive approach to treating carotid artery lesions, offering various options for blood pumping, filtering, and monitoring, as well as ensuring the stability of the access device during the procedure. The patent aims to improve the treatment of carotid artery lesions by providing a detailed and structured method for healthcare professionals to follow.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.