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Experimental permanent artificial tendon for the hand.

D Y Dong¹, Z Y Sheng

¹Trauma Centre, Postgraduate College of PLA, Beijing, China.

Journal of Biomedical Engineering

|October 1, 1988

Summary

This study developed a porous silastic tube as an artificial tendon in dogs. The tube successfully prevented adhesions, showing potential for flexor tendon reconstruction in hand surgery.

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Area of Science:

Biomaterials Science
Orthopedic Surgery
Regenerative Medicine

Background:

Tendon injuries often require reconstructive surgery.
Preventing adhesions is crucial for successful tendon healing and function.
Existing artificial tendon materials face challenges in biocompatibility and integration.

Purpose of the Study:

To develop and evaluate a porous silastic tube as a permanent artificial tendon.
To assess the healing mechanisms and pseudosheath formation around the artificial tendon.
To determine the feasibility of using this artificial tendon for flexor digital tendon reconstruction.

Main Methods:

A porous silastic tube was used to cover divided peronaeus longus and tibialis anticus tendons in twelve mongrel dogs.
Specimens were harvested at various time points (1-44 weeks) for analysis.
Histological evaluations included light microscopy, transmission electron microscopy, and scanning electron microscopy.

Main Results:

Tendon healing was primarily an extrinsic process.
The silastic tube formed a pseudosheath that effectively prevented surrounding tissue adhesion.
The artificial tendon demonstrated potential for integration and function.

Conclusions:

The developed porous silastic tube shows promise as a permanent artificial tendon.
Its ability to prevent adhesion makes it a feasible option for flexor digital tendon reconstruction.
Further research is needed to optimize pore size and spacing for enhanced tendon gliding.

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