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Updated: Jun 25, 2026

Biaxial Mechanical Characterizations of Atrioventricular Heart Valves

Biaxial Mechanical Characterizations of Atrioventricular Heart Valves

Published on: April 9, 2019

Deformation-controlled load application in heart valve tissue engineering.

Jeroen Kortsmit¹, Marcel C M Rutten, Marcel W Wijlaars

¹Department of Biomedical Engineering, Eindhoven University of Technology , Eindhoven, The Netherlands.

Tissue Engineering. Part C, Methods

|March 12, 2009

Summary

This study developed a bioreactor system to precisely control mechanical stimulation for tissue-engineered heart valves. This system ensures optimal tissue development by monitoring and regulating deformations during culture.

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Area of Science:

Cardiovascular Tissue Engineering
Biomaterials Science
Mechanical Engineering

Background:

Mechanical stimulation enhances cardiovascular tissue properties.
Tissue-engineered constructs change mechanical properties during culture.
Monitoring and controlling deformation is crucial to avoid excessive strain.

Purpose of the Study:

To develop a feedback-controlled bioreactor system for precise mechanical stimulation of tissue-engineered heart valves.
To refine a combined experimental-numerical approach for real-time deformation assessment.
To enable systematic investigation of loading protocols for aortic heart valve tissue engineering.

Main Methods:

Integrated a feedback controller into a bioreactor system for real-time deformation regulation.

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Design of a Cyclic Pressure Bioreactor for the Ex Vivo Study of Aortic Heart Valves

Design of a Cyclic Pressure Bioreactor for the Ex Vivo Study of Aortic Heart Valves

Published on: August 23, 2011

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Last Updated: Jun 25, 2026

Biaxial Mechanical Characterizations of Atrioventricular Heart Valves

Biaxial Mechanical Characterizations of Atrioventricular Heart Valves

Published on: April 9, 2019

Design of a Cyclic Pressure Bioreactor for the Ex Vivo Study of Aortic Heart Valves

Design of a Cyclic Pressure Bioreactor for the Ex Vivo Study of Aortic Heart Valves

Published on: August 23, 2011

Applied a combined experimental-numerical approach to monitor and assess leaflet deformation.

Conducted tissue engineering experiments with eight heart valves under two deformation protocols.

Main Results:

Demonstrated functionality of the feedback control system in regulating heart valve deformation.
Achieved good correspondence between measured and prescribed deformation values.
Cultured heart valves exhibited mechanical properties comparable to previous studies.

Conclusions:

The developed bioreactor system with deformation control is effective for tissue-engineered heart valve culture.
This system facilitates systematic studies on the impact of loading protocols on tissue properties.
It holds promise for optimizing conditioning protocols for aortic heart valve tissue engineering.