Vessel and Plaque Representation

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This course is part of Self-Expanding Stents Simulation Certification. Finish all the courses associated with the Simulation Certification to earn the digital credential.

Stents are commonly used in the treatment of various vessel disorders and vascular diseases, most notably coronary artery disease. When designing stents it is necessary to ensure their proper function and confirm that the stent meets its numerous objectives. These include opening the occluded vessel and withstanding repetitive movements, while preventing breakage and failure due to varying loading conditions that could lead to fatigue.

In this course we will cover the detailed representation of blood vessels and plaque, including the details of modeling the various layers of the vessel and plaque. We also cover the associated hyperelastic material modeling and curve fitting to experimental data.

Each video-based lecture is accompanied by a printable handout and a step-by-step video-based workshop to follow in Ansys Mechanical.

There are two homework simulations examples: 

  • Evaluating various hyperelastic material models on a vessel 
  • Modeling a complex plaque geometry 

Finally, the course wraps up with a quiz. Let's get started.

Recommended Certifications

Stents are commonly used in the treatment of various vessel disorders and vascular diseases, most notably coronary artery disease. While designing stents, it is necessary to ensure their proper function and confirm that they meet their numerous objectives. These include opening the occluded vessel and withstanding repetitive movements, all while preventing breakage and failure due to a wide range of loading conditions including fatigue. In this course we will introduce the fascinating topic of stenting and set the stage for the remaining courses in this learning track on the numerical simulation of self-expanding stents. Our overview lessons will cover these three main topics: diseases and treatments, types of stents and the role of numerical simulation in designing them.

Stents are commonly used in the treatment of various vessel disorders and vascular diseases, most notably coronary artery disease. While designing stents it is necessary to ensure their proper function and confirm that the stent opens the occluded vessel and withstands repetitive movements, all while preventing breakage and failure due to these various loading conditions. In this course we will cover the detailed modeling of stents from geometric flat patterns to simulating the stent and making some preliminary design assessments regarding its performance.

Stents are commonly used in the treatment of various vessel disorders and vascular diseases, most notably coronary artery disease. While designing stents it is necessary to ensure their proper function and confirm that the stent meets the numerous objectives. These include opening the occluded vessel and withstanding repetitive movements while preventing breakage and failure due to varying loading conditions that could lead to fatigue. In this course we will cover stent deployment. We combine the crimped stent model into our vessel and plaque model to simulate delivery of the stent to a diseased artery with pulsatile loading. We also cover how to use simulation to improve stent design by demonstrating design points, design of experiments, response surfaces and optimization. Finally, we close out the course with a best practices and summary.