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Related Experiment Video

Updated: Jun 27, 2026

A Novel Tenorrhaphy Suture Technique with Tissue Engineered Collagen Graft to Repair Large Tendon Defects
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Double-Row Achilles Insertional Repair With Rip-Stop Increases Construct Strength Compared to Traditional Techniques:

Anand Vora1, Sarah J Ingwer2, Maria Withrow2

  • 1Illinois Bone & Joint Institute, Libertyville, IL, USA.

Foot & Ankle International
|February 13, 2024
PubMed
Summary
This summary is machine-generated.

A novel rip-stop technique significantly enhances double-row suture-anchored Achilles repair strength and reduces displacement. This method may prevent suture tearing, improving outcomes for patients with Achilles insertional tendinosis.

Keywords:
Achilles repairaugmentationrip-stoptendon tearing

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Area of Science:

  • Orthopedic surgery
  • Biomechanical engineering
  • Tendon repair

Background:

  • Achilles insertional tendinosis often treated with double-row suture-anchored (DRSA) techniques.
  • A common failure mode is suture tearing through the tendon, necessitating improved repair methods.

Purpose of the Study:

  • To evaluate a novel rip-stop element integrated into DRSA Achilles repair.
  • To determine if the rip-stop technique increases repair strength and reduces failure compared to standard methods.

Main Methods:

  • 12 paired cadaveric feet underwent repair: standard double-row (SDR), modified double-row (MDR), or rip-stop double-row (RS-DR).
  • Specimens were subjected to cyclic loading and load-to-failure testing.
  • Measurements included displacement, stiffness, ultimate load, and failure mode analysis.

Main Results:

  • The RS-DR group exhibited significantly lower initial and cyclic displacement compared to SDR and MDR groups.
  • RS-DR repairs demonstrated a statistically greater ultimate load than SDR repairs.
  • Cyclic stiffness was comparable between RS-DR and MDR groups.

Conclusions:

  • The rip-stop technique in DRSA Achilles repair improves biomechanical properties, including reduced displacement and increased ultimate load.
  • This rip-stop modification appears more impactful than anchor size alone in enhancing repair integrity.
  • The findings suggest potential for mitigating suture tearing and improving clinical outcomes in Achilles tendon repair.