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Related Experiment Video

Updated: Jun 9, 2026

Treatment of Ligament Constructs with Exercise-conditioned Serum: A Translational Tissue Engineering Model

Treatment of Ligament Constructs with Exercise-conditioned Serum: A Translational Tissue Engineering Model

Published on: June 11, 2017

Basic structural parameters for the design of composite structures as ligament augmentation devices.

F Causa¹, F Sarracino, R De Santis

¹Department of Experimental and Clinical Medicine, University of Magna Graecia, Catanzaro - Italy.

Journal of Applied Biomaterials & Biomechanics : JABB

|August 28, 2010

Summary

This summary is machine-generated.

Researchers developed advanced composite structures mimicking natural ligaments using filament winding technology. By optimizing fiber reinforcement, they successfully reproduced the natural J-shaped stress-strain curve for ligament augmentation devices.

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Athymic Rat Model for Evaluation of Engineered Anterior Cruciate Ligament Grafts

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Published on: March 26, 2015

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Last Updated: Jun 9, 2026

Treatment of Ligament Constructs with Exercise-conditioned Serum: A Translational Tissue Engineering Model

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Published on: June 11, 2017

Athymic Rat Model for Evaluation of Engineered Anterior Cruciate Ligament Grafts

Athymic Rat Model for Evaluation of Engineered Anterior Cruciate Ligament Grafts

Published on: March 26, 2015

Area of Science:

Biomaterials Engineering
Polymer Science
Tissue Engineering

Background:

Natural ligaments possess unique morphology and mechanical properties crucial for joint function.
Current artificial ligament replacements often fail to replicate these complex characteristics.
Composite materials offer a promising avenue for developing advanced ligament augmentation devices (LADs).

Purpose of the Study:

To design and fabricate composite structures that mimic the mechanical properties of natural ligaments.
To investigate the influence of fiber reinforcement (type, ratio, angle) on composite material behavior.
To optimize the mechanical properties and degradation kinetics of a potential LAD.

Main Methods:

Utilized filament winding technology to create polyurethane (HydroThaneTM) matrix composites.
Reinforced the matrix with degradable (poly(l-lactic acid), poly(glycolic acid)) and non-degradable (poly(ethylene terephthalate)) fibers.
Analyzed mechanical properties and degradation behavior of various fiber combinations and winding angles.

Main Results:

Successfully reproduced the characteristic J-shaped stress-strain curve of natural ligaments.
Demonstrated that varying the winding angle of poly(ethylene terephthalate) fibers significantly altered mechanical behavior.
Optimized mechanical properties and degradation profiles were achieved by combining different fiber types at a fixed volume fraction and winding angle (20 degrees).

Conclusions:

Composite structures reinforced with tailored fiber combinations can effectively replicate natural ligament mechanical properties.
Filament winding technology provides a viable method for fabricating advanced LADs.
Optimizing fiber composition and winding parameters allows for the precise tuning of LAD performance and degradation for enhanced clinical application.