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Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section
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Bioengineering
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JoVE Journal Bioengineering
Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section

Experimental Investigation of Secondary Flow Structures Downstream of a Model Type IV Stent Failure in a 180° Curved Artery Test Section

DOI:
10.3791/51288-v

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11:00 min

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July 19, 2016

•

,
1Department of Mechanical and Aerospace Engineering,The George Washington University

Chapters

  • 00:05Title
  • 01:00Blood-analog Solution
  • 01:56Fabrication and Installation of Stent Models
  • 03:27Setup and Data Acquisition
  • 06:24Post-processing
  • 08:15Results: Flow Velocity Data Analysis
  • 09:59Conclusion

Summary

Automatic Translation

Automatic Translation

Stent implants in stenosed arterial curvatures are prone to "Type IV" failures involving the complete transverse fracture of stents and linear displacement of the fractured parts. We present a protocol for detection of secondary flow (vortical) structures in a curved artery model, downstream of clinically relevant "Type IV" stent failures.

Tags

Particle Image VelocimetryCoherent Structure DetectionSecondary FlowVortical StructuresCurved ArteryType IV Stent FailureCardiovascular HemodynamicsStent FractureBlood Flow PatternsVascular RemodelingBlood-analog SolutionSodium IodideGlycerolDeionized WaterSodium ThiosulfateSTL FilesRapid Prototyping3D PrintingCurved Artery Test SectionType IV Fracture

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