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Published on: January 13, 2026
The HU knot: a new sliding knot for arthroscopic surgery
Yu Mochizuki1, Hiroki Hachisuka, Koji Natsu
1Division of Clinical Medical Science, Department of Orthopaedic Surgery, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan. yumochi@hiroshima-u.ac.jp
Abstract:
Sliding knots are commonly used in arthroscopic knot tying. The Surgical knot as a hand-tied knot is very secure. We found that the Surgical knot could be used as a sliding knot. We have modified the Surgical knot to include a self-locking loop. A new sliding knot for arthroscopic surgery, the HU knot, is described. By tensioning the loop strand, the self-locking loop creates a snug knot without sliding backward. The HU knot provides great security.
