Clin Orthop Surg.  2020 Sep;12(3):413-416. 10.4055/cios20018.

Vertical Interfragmentary Doubled Suture for Displaced Patella Fractures: Sequential Compressive Tightening with Nice Knot

  • 1Department of Orthopaedic Surgery, Gumi CHA Medical Center, CHA University School of Medicine, Gumi, Korea


In the treatment of displaced patella fractures, open reduction and internal fixation is essential for patellofemoral congruency and restoration of the knee extension mechanism. Various surgical techniques and materials can be used, and their clinical outcomes are favorable. However, soft-tissue and skin irritation, pain, and limited range of motion due to metallic hardware can occur, and removal of hardware such as screws and K-wire may be required after bony union. We present a vertical interfragmentary suture technique for patella fractures using sequential compressive tightening with the Nice knot. This knot-tying technique is low profile, provides stable fixation enough to hold displaced fractures, and does not require a secondary procedure for hardware removal.


Patellar fracture; Vertical inter-fragmentary suture; Nice knot tie
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