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Updated: Jul 31, 2026

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A Novel Tenorrhaphy Suture Technique with Tissue Engineered Collagen Graft to Repair Large Tendon Defects
Published on: December 10, 2021
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Box-and-1 Suture Augmented Transosseous Patellar Tendon Repair
Chirag Soni1, Joash R Suryavanshi, Anthony Sorkin
1Department of Orthopaedic Surgery, Indiana University School of Medicine, Indianapolis, IN.
Journal of Orthopaedic Trauma
|September 11, 2025
Summary
This study details a novel surgical technique for repairing acute patellar tendon ruptures. The box-and-1 augmentation enhances the standard Krackow suture repair for improved outcomes in extensor mechanism disruption.
Area of Science:
- Orthopedic Surgery
- Sports Medicine
- Biomedical Engineering
Background:
- Patellar tendon ruptures disrupt the knee's extensor mechanism.
- Surgical repair is the standard treatment for these injuries.
- Traditional repair methods face challenges with mechanical strength.
Purpose of the Study:
- To describe a novel suture augmentation technique for patellar tendon repair.
- To present a case study of its application in an acute rupture.
- To offer an alternative for enhancing surgical repair stability.
Main Methods:
- Standard transosseous primary repair utilizing Krackow sutures.
- Novel box-and-1 suture augmentation technique applied.
- Case review of a 53-year-old male with acute patellar tendon rupture.
Main Results:
- Successful surgical repair was achieved.
- The novel augmentation technique was integrated with the standard repair.
- The case demonstrates the feasibility of the box-and-1 augmentation.
Conclusions:
- The box-and-1 suture augmentation is a viable technique for patellar tendon repair.
- This method offers potential for enhanced stability in extensor mechanism reconstruction.
- Further studies are warranted to evaluate long-term efficacy and patient outcomes.
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