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Related Experiment Videos

The Tape Locking Screw technique (TLS): A new ACL reconstruction method using a short hamstring graft.

M Collette1, X Cassard

  • 1miche.collette@gmail.com

Orthopaedics & Traumatology, Surgery & Research : OTSR
|June 10, 2011
PubMed
Summary

The Tape Locking Screw (TLS) system offers a novel anterior cruciate ligament (ACL) reconstruction technique using a prepared hamstring tendon graft and specialized fixation. Preliminary results from 134 patients indicate its potential as an effective ACL repair method.

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Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering
  • Sports Medicine

Background:

  • Anterior Cruciate Ligament (ACL) injuries are common, necessitating effective surgical reconstruction methods.
  • Traditional ACL reconstruction techniques involve complex graft preparation and fixation.
  • The Tape Locking Screw (TLS) system was developed to address challenges in ACL surgery.

Purpose of the Study:

  • To introduce and evaluate the preliminary clinical outcomes of the Tape Locking Screw (TLS) system for ACL reconstruction.
  • To describe the unique principles and methodology of the TLS system.

Main Methods:

  • Harvesting a single hamstring tendon, preparing it into a 50-60mm, 4-5 strand closed loop (8-10mm diameter, 500N pre-load).
  • Creating shorter (10-15mm) retrograde bone tunnels matching graft diameter for maximum press-fit.

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  • Utilizing polyethylene terephthalate tape strips (TLS strips) for graft fixation with a dedicated interference screw (TLS screw).
  • Preliminary clinical evaluation with a follow-up of 134 patients.

    • Main Results:

    • The TLS system employs a specific graft preparation and fixation technique.
    • Shorter, retrograde tunnels facilitate maximum press-fit of the graft.
    • The TLS screw and tape strips provide femoral and tibial fixation.
    • A preliminary evaluation involved 134 patients undergoing ACL reconstruction with the TLS system.

    Conclusions:

    • The Tape Locking Screw (TLS) system presents a novel approach to anterior cruciate ligament (ACL) reconstruction.
    • The technique involves specific graft preparation, tunnel creation, and fixation methods.
    • Preliminary clinical evaluation of 134 patients supports the potential efficacy of the TLS system for ACL repair.