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Title: Simulated Bench Testing to Evaluate the Mechanical Performance of New Carotid Stents
Authors: Kumar G.P.
Kabinejadian F. 
Liu J.
Ho P. 
Leo H.L. 
Cui F.
Keywords: Carotid artery stenting
Computer aided design
Finite element analysis
Self-expandable stents
Stent design
Blood Flow Velocity
Carotid Artery Diseases
Computer Simulation
Computer-Aided Design
Finite Element Analysis
Materials Testing
Models, Cardiovascular
Prosthesis Design
Prosthesis Failure
Regional Blood Flow
Stress, Mechanical
Issue Date: 1-Mar-2017
Publisher: Wiley
Citation: Kumar G.P., Kabinejadian F., Liu J., Ho P., Leo H.L., Cui F. (2017-03-01). Simulated Bench Testing to Evaluate the Mechanical Performance of New Carotid Stents. Artificial Organs 41 (3) : 267-272. ScholarBank@NUS Repository.
Abstract: Our group recently developed a novel covered carotid stent that can prevent emboli while preserving the external carotid artery (ECA) branch blood flow. However, our recent in vitro side-branch ECA flow preservation tests on the covered stents revealed the need for further stent frame design improvements, including the consideration to crimp the stent to a low profile for the delivery of the stent system and having bigger cells. Hence, the current work aims to design new bare metal stents with bigger cell size to improve the crimpability and to accommodate more slits so that the side-branch flow could be further increased. Three new stent designs were analyzed using finite element analysis and benchmarked against two commercially available carotid stents in terms of their mechanical performances such as crimpability, radial strength, and flexibility. Results indicated that the new bare metal stent designs matched well against the commercial stents. Hence our new generation covered stents based on these designs can be expected to perform better in side-branch flow preservation without compromising on their mechanical performances.
Source Title: Artificial Organs
ISSN: 0160564X
Appears in Collections:Staff Publications

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