Silk Road Medical‘s patent involves methods, devices, and systems for establishing reverse blood flow in the carotid artery to prevent emboli release during interventional procedures. The method includes positioning an arterial access device with a distal sheath in the common carotid artery to facilitate retrograde blood flow. 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 January 2024 was 46%. Grant share is based on the ratio of number of grants to total number of patents.
Method for treating carotid artery by establishing retrograde blood flow
A recently granted patent (Publication Number: US11864988B2) discloses a method for treating a carotid artery by positioning an arterial access device with a distal sheath into a common carotid artery through a patient's neck. The distal sheath is designed with a material that defines spaces along its length and includes fenestrations for blood flow. By occluding blood flow at a specific location in the common carotid artery, retrograde blood flow is established, allowing blood to flow into the distal sheath through the openings.
Furthermore, the method involves inserting the distal sheath into the artery using a removable stopper member to control the insertion depth. The fenestrations are strategically placed within the exposed portion of the distal sheath. The patent also covers variations such as creating a static zone between the occlusion location and the distal opening, positioning the fenestrations in this zone, and using vascular clamps or balloons for occlusion. Additionally, the method includes making a transcervical incision for access, blocking external fenestrations to prevent leakage, and even placing a stent in an artery through the arterial access device. This patent showcases a comprehensive method for treating carotid artery issues with innovative features to improve the procedure's efficacy and safety.
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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.
