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Related Experiment Video

Updated: Jul 31, 2025

Using Q Suture to Enhance Resistance to Gap Formation and Tensile Strength of Repaired Flexor Tendons
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Re-tensionable Quadriceps Tendon Repair Technique.

John A Grotting1, Tal S David1, Shane Bass2

  • 1Synergy Orthopedic Specialists, San Diego Arthroscopy & Sports Medicine Fellowship, San Diego, California, U.S.A.

Arthroscopy Techniques
|May 4, 2023
PubMed
Summary

Quadriceps tendon rupture repair remains challenging. This study introduces a novel, re-tensionable suture construct technique to improve outcomes for this devastating knee injury.

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Area of Science:

  • Orthopedic surgery
  • Musculoskeletal research
  • Biomedical engineering

Background:

  • Quadriceps tendon rupture is a severe injury often treated with traditional bone tunnel and knot-tying methods.
  • Existing innovations like suture anchors and knotless technology have yielded mixed clinical results.
  • Persistent weakness and gap formation remain challenges in current quadriceps tendon repair techniques.

Purpose of the Study:

  • To present a novel technique for quadriceps tendon repair.
  • To address limitations of existing repair methods, specifically persistent weakness and gap formation.
  • To introduce a re-tensionable suture construct for improved repair outcomes.

Main Methods:

  • Description of a surgical technique utilizing a pre-tied knotted high-tension suture construct.
  • Focus on a method designed for re-tensionability during quadriceps repair.
  • Leveraging advanced suture technology for enhanced tendon fixation.

Main Results:

  • The described technique allows for a re-tensionable quadriceps repair.
  • Aims to overcome the limitations of traditional and current innovative repair methods.
  • Potential for improved clinical outcomes in patients with quadriceps tendon ruptures.

Conclusions:

  • The novel re-tensionable suture construct offers a promising advancement in quadriceps tendon repair.
  • This technique may help mitigate common complications like weakness and gap formation.
  • Further clinical evaluation is warranted to confirm the efficacy of this innovative approach.