Arthroscopy: The Journal of Arthroscopic & Related Surgery
Technical NotesThe SMC knot—a new slip knot with locking mechanism*,**
Section snippets
Technique
After passing the tissue with a nonabsorbable suture, a short post strand and a longer loop strand are separated. While grasping the post strand, make an underhand throw with the loop strand under both the loop and the post strands (Fig 1).Make a second underhand throw with the loop strand under the post strand (Fig 2).Bring the loop
Discussion
Many techniques for tying arthroscopic knots have been described.2, 3, 5, 6 Some have good knot strength while others have less optimal strength with selected suture materials. To reduce the possibility of a failed repair by loss of suture fixation, a strong initial knot security is recommended.1, 4, 7, 8
The SMC knot provides good initial knot security through the locking mechanism of the self-locking loop. After locking the post by pulling the loop strand, the knot does not slide backward. We
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2021, Arthroscopy TechniquesCitation Excerpt :Using the curvature of the suture passer to estimate where to grab (Fig 6), the 6-o'clock labrum and capsular tissue (inferior to the anchor) are secured while the tissue is under upward tension from the original traction suture (Fig 7). This labrum and capsular tissue are then secured to the 5-o'clock position on the glenoid using knot pusher and a Seoul Medical Center knot,17 followed by alternating half hitches. A second suture anchor is then secured at the 3-o'clock position on the glenoid.
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Address correspondence and reprint requests to Seung-Ho Kim, M.D., Department of Orthopaedic Surgery, Sungkyunkwan University School of Medicine, Samsung Medical Center, 50 Ilwon-Dong, Kangnam-Ku, Seoul 135-710, Korea. E-mail: [email protected]
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