MicroPort Scientific has filed a patent for an aneurysm occlusion device that includes an expandable mesh structure. The device can be compressed within a catheter and then recover its expanded configuration with a spiral shape after being released. The device aims to achieve stable and compliant packing while preventing rupture of the aneurysm, thrombosis in a blood vessel, and increasing coverage of the aneurysm neck. GlobalData’s report on MicroPort Scientific 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 MicroPort Scientific, Glucose monitoring wearbles was a key innovation area identified from patents. MicroPort Scientific'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.

A patent for an aneurysm occlusion device with expandable mesh structure

Source: United States Patent and Trademark Office (USPTO). Credit: MicroPort Scientific Corp

A recently filed patent (Publication Number: US20230310004A1) describes an aneurysm occlusion device that includes an expandable mesh structure. The device is designed to be delivered into an aneurysm from a blood vessel. The expandable mesh structure has both an expanded configuration with a planar spiral shape and a compressed configuration for delivery.

The patent also mentions the inclusion of a guide structure within the expandable mesh structure. This guide structure can be partially disposed in the lumen of the expandable mesh structure or at the outer side of the distal end of the expandable mesh structure. The guide structure can have an expanded configuration with a spiral shape and a compressed configuration for delivery into the aneurysm. The guide structure is coupled to the distal end of the expandable mesh structure and spirals in the same direction as the expandable mesh structure.

The expandable mesh structure itself has a cross-sectional area that increases and then decreases from the proximal end to the distal end. It is composed of 48-144 filaments made of a shape memory material with a diameter ranging from 0.0005 inches to 0.002 inches. The expandable mesh structure can be braided from radiopaque filaments or a mixture of radiopaque and non-radiopaque filaments.

The patent also describes the use of a therapeutic apparatus for aneurysm occlusion, which includes the aneurysm occlusion device and a push pod. The push pod is coupled to the proximal end of the expandable mesh structure and extends tangentially to the spiral contour of the expandable mesh structure in its expanded configuration.

Additionally, an aneurysm occlusion system is mentioned, which includes the aneurysm occlusion device and a catheter. The expandable mesh structure can be compressed within the catheter and recover its expanded configuration with the spiral shape after being released from the catheter. The catheter has inner diameters of 0.017, 0.021, or 0.027 inches.

Overall, this patent describes an innovative aneurysm occlusion device with an expandable mesh structure and a guide structure. The device can be delivered into an aneurysm from a blood vessel and has various configurations and features to ensure effective occlusion. The inclusion of a push pod and the ability to compress the device within a catheter further enhance its usability in therapeutic applications.

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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