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Biaxial Mechanical Characterizations of Atrioventricular Heart Valves
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Bioengineering
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JoVE Journal Bioengineering
Biaxial Mechanical Characterizations of Atrioventricular Heart Valves

Biaxial Mechanical Characterizations of Atrioventricular Heart Valves

DOI:
10.3791/59170-v

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11:00 min

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April 09, 2019

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, , ,
1Biomechanics and Biomaterials Design Laboratory (BBDL), School of Aerospace and Mechanical Engineering,The University of Oklahoma, 2Institute for Biomedical Engineering, Science and Technology (IBEST),The University of Oklahoma

Chapters

  • 00:04Title
  • 00:37Tissue Dissection
  • 01:40Thickness Measurement, Biaxial Tester Setup, and Fiducial Marker Placement
  • 02:48Preconditioning and Duration Timing
  • 04:51Biaxial Mechanical Testing
  • 08:48Results: Representative Displacement-Controlled and Stress Relaxation Protocol Analyses
  • 10:24Conclusion

Summary

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This protocol involves characterizations of atrioventricular valve leaflets with force-controlled, displacement-controlled, and stress-relaxation biaxial mechanical testing procedures. Results acquired with this protocol can be used for constitutive model development to simulate the mechanical behavior of functioning valves under a finite element simulation framework.

Tags

Keywords: Biaxial Mechanical CharacterizationAtrioventricular Heart ValvesHeart Valve BiomechanicsComputational ModelingHeart Valve DiseaseArterial VesselsBiaxial TestingUnified Testing SchemeBiaxial Testing SystemFiducial Marker PlacementPreconditioning Protocol

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