Method, device, computer equipment and storage medium for simulating the release of spring coiled stent

Abstract

The present application relates to a method, device, computer equipment and storage medium for simulating the release of a coil coiled stent. The method comprises: constructing a three-dimensional model of a vascular stent in an expanded state constrained by a tumor-bearing vessel, wherein the tumor-bearing vessel is a pre-built three-dimensional model of a tumor-bearing vessel; generating a sidewall-sealed shell according to the boundary of the outer surface of the three-dimensional model of the vascular stent Body; the coil is pushed into the aneurysm cavity through the catheter, the coil entering the aneurysm cavity is coiled around the outer periphery of the shell and expanded under the constraints of the aneurysm cavity, and then the three-dimensional model of the coil in the expanded state is constructed; the vascular stent The three-dimensional model, the three-dimensional model of the coil and the three-dimensional model of the parent blood vessel are combined to form a simulation of the release of the coiled stent. Using this method can improve the simulation speed, and take into account the practicability and accuracy.

Description

technical field [0001] The present application relates to the field of translational medicine, in particular to a method, device, computer equipment and storage medium for simulating the release of a coil coiled stent. Background technique [0002] An intracranial aneurysm is a pathological bulge of the intracranial artery wall, commonly found at the arterial bifurcation of the circle of Willis in the brain. Aneurysms affect approximately 5% of all humans. The consequence of aneurysm rupture is fatal, about 50% cannot survive, and the rest will have different degrees of physical dysfunction. [0003] Coil embolization is currently the most important treatment for aneurysms. The treatment process involves releasing a series of coils into the lumen of the aneurysm to reduce intratumoral blood flow by embolizing the aneurysm. The coil filling causes subsequent thrombus formation in the aneurysm, and finally embolizes the aneurysm to isolate the aneurysm from the blood circul...

AI Technical Summary

Problems solved by technology

This problem is the current challenge for the virtual release simulation calculation of coils and stents, because the previous methods cannot quickly and accurately obtain the three-dimensional structure of the coils and stents after they are actually released.

Especially for some complex types of aneurysms, such as fusiform aneurysms and giant intracranial aneurysms with fusiform aneurysm properties, for this type of aneurysm, the use of dense mesh stents alone cannot achieve good results. The treatment effect often requires coils to be loosely packed. Because the coils are extremely thin and soft, they will be distributed around the stent when released into the aneurysm cavity

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