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Study of permanent artificial tendon.

D Y Dong1, C Y Sheng

  • 1Trauma Center, Postgraduate College of PLA, Beijing, China.

Biomaterials, Artificial Cells, and Artificial Organs
|January 1, 1988
PubMed
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This study developed a porous silastic tube as an artificial tendon in dogs. The tube successfully prevented tissue adhesion, showing promise for flexor tendon reconstruction.

Area of Science:

  • Biomaterials Science
  • Orthopedic Surgery
  • Regenerative Medicine

Background:

  • Tendon injuries often require complex reconstructive procedures.
  • 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 tube's ability to prevent adhesions in a canine model.
  • To investigate the potential of this material for flexor digital tendon reconstruction.

Main Methods:

  • A porous silastic tube was used to cover sutured canine tendons (Peronaeus longus and Tibialis anticus).
  • Specimens were collected at various time points (1 week to 11 months) for analysis.

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  • Histological evaluations included light microscopy, transmission electron microscopy, and scanning electron microscopy.

    • Main Results:

    • Tendon healing was primarily an extrinsic process.
    • The silastic tube effectively formed a pseudosheath, preventing adhesion to surrounding tissues.
    • The material demonstrated feasibility for use in tendon graft reconstruction.

    Conclusions:

    • Porous silastic tubes show potential as permanent artificial tendons.
    • The pseudosheath formation is key to preventing adhesions and enabling tendon gliding.
    • Further research is needed to optimize porous diameter and spacing for clinical application.