Influence of core suture geometry on tendon deformation and gap formation in porcine flexor tendons

Erik T. Walbeehm, T. De Wit, S. E R Hovius, D. A. McGrouther

    Research output: Contribution to journalArticlepeer-review


    The effects of core suture geometry on the mechanics of failure in flexor tendon surgery are investigated. Forty porcine flexor tendons were repaired using a Kessler; a Kessler-Pennington; a double Kessler; a continuous Kessler; and a cruciate repair. At maximum breaking strength, the cruciate repair gapped more then the double Kessler (12.8 mm vs 9.1 mm), but the double Kessler was less strong (37N vs 45 N). Transverse narrowing was 22% and 24% for the Kessler and the Kessler-Pennington, 11% for the double Kessler, and 0% for the continuous Kessler and the cruciate repair. Kessler-type sutures failed by suture breakage and the cruciate repair by pull-out. Under load, the transverse part of the Kessler sutures narrows, allowing longitudinal parts to lengthen, leading to gapping. The double Kessler shortened transverse segment decreases gapping. Eliminating a transverse component (the cruciate repair) decreased gapping, but the cruciate failed at higher loads by suture pull-out. © 2009 The British Society for Surgery of the Hand. Published by SAGE. All rights reserved.
    Original languageEnglish
    Pages (from-to)190-195
    Number of pages5
    JournalJournal of Hand Surgery: European Volume
    Issue number2
    Publication statusPublished - 2009


    • Flexor tendon
    • Four-strand
    • Loading
    • Porcine
    • Suture


    Dive into the research topics of 'Influence of core suture geometry on tendon deformation and gap formation in porcine flexor tendons'. Together they form a unique fingerprint.

    Cite this