Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Bending of Members Made of Several Materials01:11

Bending of Members Made of Several Materials

In analyzing a structural member composed of two different materials with identical cross-sectional areas, it is crucial to understand how their distinct elastic properties affect the member's response under load. The analysis involves assessing stress and strain distributions using the transformed section concept, which accounts for variations in material properties.
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each material's...
Deformation of Member under Multiple Loadings01:11

Deformation of Member under Multiple Loadings

When a rod is made of different materials or has various cross-sections, it must be divided into parts that meet the necessary conditions for determining the deformation. These parts are each characterized by their internal force, cross-sectional area, length, and modulus of elasticity. These parameters are then used to compute the deformation of the entire rod.
In the case of a member with a variable cross-section, the strain is not constant but depends on the position. The deformation of an...
Stresses under Combined Loadings01:23

Stresses under Combined Loadings

When analyzing a bent tube with a circular cross-section subjected to multiple forces, it is crucial to determine the stress distribution in order to maintain structural integrity under varied load conditions.
The process begins by slicing the tube at critical points and analyzing the internal forces and stress components at these sections, focusing on the centroid. Normal stresses, generated by axial forces and bending moments, are either compressive or tensile and vary across the section from...
Design of Transmission Shafts - Stress Analysis01:15

Design of Transmission Shafts - Stress Analysis

Designing a transmission shaft requires a thorough understanding of the stresses induced by bending moments and torques, especially in systems where power is transferred through gears. These forces create force-couple systems at the centers of the shaft's cross-sections, leading to both transverse and torsional loading. Although shearing stresses from transverse loads are typically smaller than those from torques and are often overlooked, the significant normal stresses from these loads...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Psychiatric events induced by roflumilast: a real-world pharmacovigilance study of the FDA Adverse Event Reporting System database.

Frontiers in psychiatry·2026
Same author

Ti<sub>3</sub>C<sub>2</sub>-induced interface reconstruction of CeO<sub>2</sub> and in-situ derived TiO<sub>2</sub> boosting electron transfer and oxygen vacancies generation for efficient low-temperature soot oxidation over CeO<sub>2</sub>/Ti<sub>3</sub>C<sub>2</sub>.

Journal of colloid and interface science·2026
Same author

Stable isotope evidence reveals spatially variable hotspots of N<sub>2</sub>O and CH<sub>4</sub> emissions from urban mangroves during the dry season.

Marine pollution bulletin·2026
Same author

A Dual-Targeting Strategy Against ROS and GSK-3β With a PEGylated Fullerene/Smart Hydrogel Synergistic System for Diabetic Bone Regeneration.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Identification of Novel <i>LOXHD1</i> Variants in Chinese Patients with Non-Syndromic Hearing Loss.

Journal of otology·2026
Same author

A 56-Year-Old Male Farmer From China With Severe Fever With Thrombocytopenia Syndrome and Pulmonary Aspergillosis: A Case Report and Review of Literature.

The American journal of case reports·2026

Related Experiment Video

Updated: Jun 26, 2026

Ferromagnetic Bare Metal Stent for Endothelial Cell Capture and Retention
11:01

Ferromagnetic Bare Metal Stent for Endothelial Cell Capture and Retention

Published on: September 18, 2015

Structural Optimization and Finite Element Analysis of Variable-Stiffness Biodegradable Vascular Stents.

Hanbing Zhang1, Shiliang Chen2, Tianming Du2

  • 1School of Information Science and Technology, Beijing University of Technology, Beijing 100124, China.

Journal of Functional Biomaterials
|June 25, 2026
PubMed
Summary

Variable-stiffness biodegradable vascular stents (BVSs) offer improved radial support and mitigate non-uniform degradation. Widened gradient-stiffness designs enhance long-term performance and stable support, addressing stress corrosion cracking (SCC) challenges.

Keywords:
biodegradable vascular stentfinite element analysisnon-uniform degradationstress corrosion cracking

More Related Videos

4D Printed Bifurcated Stents with Kirigami-Inspired Structures
06:52

4D Printed Bifurcated Stents with Kirigami-Inspired Structures

Published on: July 25, 2019

Related Experiment Videos

Last Updated: Jun 26, 2026

Ferromagnetic Bare Metal Stent for Endothelial Cell Capture and Retention
11:01

Ferromagnetic Bare Metal Stent for Endothelial Cell Capture and Retention

Published on: September 18, 2015

4D Printed Bifurcated Stents with Kirigami-Inspired Structures
06:52

4D Printed Bifurcated Stents with Kirigami-Inspired Structures

Published on: July 25, 2019

Area of Science:

  • Biomaterials Engineering
  • Medical Device Design
  • Corrosion Science

Background:

  • Biodegradable vascular stents (BVSs) face premature structural failure due to stress corrosion cracking (SCC).
  • Heterogeneous arterial plaques cause stent malapposition and stress concentration, worsening SCC.
  • Current stent designs struggle with non-uniform degradation and inadequate radial support.

Purpose of the Study:

  • To develop and evaluate variable-stiffness BVSs to enhance radial support and manage non-uniform degradation.
  • To mitigate stress concentration and improve long-term performance in stenotic arterial environments.
  • To investigate the impact of stent design modifications on immediate deployment and long-term degradation.

Main Methods:

  • Variable-stiffness stents were designed with modified axial ring segments and selective strut widening.
  • Virtual deployment in arteries with non-calcified and calcified plaques simulated immediate performance.
  • Degradation simulations assessed long-term behavior under combined electrochemical corrosion and SCC effects.

Main Results:

  • Variable-stiffness stents showed comparable residual stenosis to uniform-stiffness designs.
  • Dual- and gradient-stiffness designs created smoother luminal profiles.
  • Local strut widening extended recoil time and increased volume loss, mitigating non-uniform degradation. Widened gradient-stiffness designs prolonged stable support by 9.7%.

Conclusions:

  • Variable-stiffness stents offer improved immediate and long-term performance compared to uniform-stiffness designs.
  • Selective strut widening in gradient-stiffness designs effectively addresses non-uniform degradation and enhances stent stability.
  • This novel stent design shows promise for overcoming critical challenges in BVS technology.