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Zip-tie Multidirectional Instability: A Technique for Progressive Tightening of Knotless Anchors in Multidirectional
Zoe Cass1, Thomas Hoffmeister1, Paul M Sethi1
1ONS Foundation for Clinical Research & Education, Greenwich, Connecticut, U.S.A.
Arthroscopy Techniques
|October 24, 2025
Summary
The novel zip-tie technique offers a knotless arthroscopic repair for shoulder multidirectional instability. This method allows controlled, progressive tightening, potentially improving surgical efficiency and patient outcomes.
Area of Science:
- Orthopedic Surgery
- Sports Medicine
- Arthroscopy
Background:
- Multidirectional shoulder instability is challenging due to capsular laxity.
- Traditional arthroscopic methods risk premature tightening, complicating repairs.
- Need for precise, progressive capsular tensioning is critical.
Purpose of the Study:
- To introduce and describe the zip-tie technique for arthroscopic repair of multidirectional shoulder instability.
- To highlight the advantages of knotless, retensionable sutures in managing capsular laxity.
- To propose an alternative to traditional capsular shift procedures.
Main Methods:
- Arthroscopic knotless repair using retensionable sutures.
- Percutaneous anchor placement without initial tightening.
- Sequential, controlled tensioning after all anchors are placed.
Main Results:
- Preserves intra-articular maneuverability by delaying capsular tensioning.
- Enables fine-tuned capsular volume reduction and minimizes cartilage trauma.
- Eliminates stacked knots, potentially reducing complications.
Conclusions:
- The zip-tie technique offers a reliable and efficient method for treating multidirectional shoulder instability.
- This knotless approach enhances capsular control and may improve long-term shoulder stability.
- Provides a viable alternative to conventional capsular tightening procedures.
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