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imageIntroduction
Flexor tendon repair techniques that can resist active forces are widely accepted. Despite that many suture techniques have been described, the “perfect repair” for flexor tendons cannot be achieved yet. We aimed to compare a new loop suture technique with commonly used flexor tendon repair methods biomechanically in hen tendon.
Method
We used 25 hen flexor tendons for each group (4-strand modified Kessler, grasping cruciate, Tsuge, and new technique groups). After the tendons were divided into 2, they were repaired according to these 4 techniques, were subjected to the initial stretching of 0.5 N, and pulled in the opposite directions. When a gap of 2 mm occurred, the test was terminated and the forces at that time were recorded. These strain forces were compared and evaluated statistically.
Results
New technique had the best tensile strength results statistically. Modified Kessler and grasping cruciate took the second place and Tsuge repair gave the worst strain forces results.
Conclusions
With loop suture, 4 strands can be obtained with only 2 passes of the needle, and we think that much more tensile strength can be achieved because of the vertical transition and locking configurations of the new loop suture technique.

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