Mechanical thrombectomy device for capturing and removing obstructions

By designing a nested mechanical thrombectomy assembly, the nested structure and independent actuation function of the lateral and internal mechanical thrombectomy device are solved in the prior art, and the problems of high risk of distal vascular thrombosis treatment and difficulty in navigating the catheter in the prior art are achieved, achieving a more efficient and safer thrombectomy effect.

CN119677473APending Publication Date: 2025-03-21NEURAVI
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Patent Information

Application Number
CN202380057634.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2022-07-29
Filing Date
2023-07-28
Publication Date
2025-03-21

AI Technical Summary

Technical Problem

The prior art has problems such as high risks, difficulty in navigating the catheter, and prone to rupture of blood vessels, resulting in poor treatment effect and increased health risks.

Method used

A nested mechanical thrombectomy assembly is designed, including an lateral mechanical thrombectomy device and at least one internal mechanical thrombectomy device, with a smaller distal segment adapted to retrieve the occlusion located in the smaller distal vessel and to form a tighter clamp to reduce the risk of unintentional release of the occlusion by an independently actuated internal and external mechanical thrombectomy device.

Benefits of technology

The risk of intravascular treatment is reduced through nested mechanical thrombectomy components, the success rate of capture and removal of distal vascular occlusion is improved, friction against fragile vessel walls is reduced, and the risk of bleeding complications is reduced.

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Abstract

The present invention provides a nested mechanical thrombectomy assembly that can be delivered as a single assembly unit, the nested mechanical thrombectomy assembly comprising an outermost mechanical thrombectomy device and at least one inner mechanical thrombectomy device, each mechanical thrombectomy device being actuatable from a radially compressed state to a radially expanded state. When in the radially compressed state, the at least one inner mechanical thrombectomy device is disposed in the inner channel of the outermost mechanical thrombectomy device. Each of the outermost mechanical thrombectomy device and the at least one inner mechanical thrombectomy device is actuatable / deployable independently of one another.
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