All Categories : Technical White Papers : CAE and FEA Bookmark and Share

Title : Fatigue Life Estimation of Nitinol Medical Devices
Company : SIMULIA
File Name : fatigue-life-estimation-nitinol-medical-devices-2008.pdf
Size : 30436
Type : application/pdf
Date : 09-Jul-2011
Downloads : 1

Rate This File
5 Stars
4 Stars
3 Stars
2 Stars
1 Star

Stents have been used in the treatment of coronary artery disease for decades, and their use in the peripheral arterial vasculature is growing rapidly. Mechanical loads imposed on peripheral stents may include loads due to arterial pulsation, axial compression, bending and torsion. These stents are most often manufactured using nitinol, a nickel-titanium alloy that exhibits unique shape memory and superelastic characteristics. Finite element analysis can be a powerful tool in designing medical devices to withstand such a rigorous loading environment. This paper will focus on the use of Abaqus/Standard for fatigue life characterization of nitinol stents and comparison of performance predicted by FEA to experimental data. Abaqus is used to simulate stent expansion and fatigue loading under expected physiologically relevant loading conditions. A strain based fatigue criterion is used to determine the fatigue characteristics of the stents, and bench top fatigue testing is used to verify the numerical results. The study is extended to a competitive benchmarking of different stent designs. Results show a close correlation between analytical and experimental results, indicating that finite element analysis is a powerful tool in the design and fatigue life estimation of nitinol medical devices subjected to complex loading conditions.
User Reviews More Reviews Review This File

SolidCAM - See For Yourself

Featured Video
Editorial
Latest Blog Posts
Sanjay GangalMCADCafe Lens
by Sanjay Gangal
NVIDIA GTC October 2020 Keynote
Jobs
3D Designer and Developer for Los Alamos National Laboratory at Los Alamos,, New Mexico
Mechanical Engineer for Flextronics at Milpitas, California
Failure Analysis Engineer for Flextronics at Milpitas, California
Structural Engineer for Kiewit at Lenexa, Kansas
Structural Engineer 2 (Engineer 2) for Los Alamos National Laboratory at Los Alamos,, New Mexico
Architect for Hutton at Wichita, Afghanistan
Upcoming Events
DEVELOP 3D Live 2020 New Date November 3rd at Sheffield University ctagon and INOX Building, Durham Road Sheffield United Kingdom - Nov 3, 2020
Digital Twin 2020 - Now in November 2020 at Melbourne FL - Nov 4 - 5, 2020
Sensors Expo & Conference at McEnery Convention Center SAN JOSE CA - Nov 16 - 18, 2020
Spatial 3D Insider Summit - Free VR Event! at United States - Nov 16 - 17, 2020
Kenesto: 30 day trial



© 2020 Internet Business Systems, Inc.
670 Aberdeen Way, Milpitas, CA 95035
+1 (408) 882-6554 — Contact Us, or visit our other sites:
AECCafe - Architectural Design and Engineering EDACafe - Electronic Design Automation GISCafe - Geographical Information Services TechJobsCafe - Technical Jobs and Resumes ShareCG - Share Computer Graphic (CG) Animation, 3D Art and 3D Models
  Privacy PolicyAdvertise