Differences between locking loops and grasping loops: effects on 2-strand core suture

The differences between locking and grasping configurations used to suture lacerated flexor tendons were evaluated using a 2-strand core model in human cadaver tendon. Locking suture configurations tighten around bundles of tendon fibers with tension, while grasping loops do not tighten around but p...

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Bibliographic Details
Published inThe Journal of hand surgery (American ed.) Vol. 22; no. 6; p. 995
Main Authors Hotokezaka, S, Manske, P R
Format Journal Article
LanguageEnglish
Published United States 01.11.1997
Subjects
Cadaver
Humans
Suture Techniques
Sutures
Tendons - surgery
Tensile Strength
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Summary:The differences between locking and grasping configurations used to suture lacerated flexor tendons were evaluated using a 2-strand core model in human cadaver tendon. Locking suture configurations tighten around bundles of tendon fibers with tension, while grasping loops do not tighten around but pull through tendon fibers and distract with tension. The greatest tensile strength was found in 1-locking, 2-locking, and 2-grasping suture loop configurations per suture strand. The 2-grasping loops per suture strand, however, had the greatest distraction (gapping) as the suture material pulled through the tendon. A single locking configuration per strand yielded the maximum tensile strength with reduced distraction (gapping) at the repair site.
ISSN:0363-5023
DOI:10.1016/s0363-5023(97)80038-x