A mechanical comparison of bone ligament-bone autografts from the wrist for replacement of the scapholunate ligament
A study was performed to compare the mechanical properties of two intracarpal ligaments with those of the dorsal component of the scapholunate interosseous ligament (SLIL). Trapezoid-to-second metacarpal, cap itate-to-trapezoid ligaments, and the dorsal part of the SLIL were obtained as bone-ligamen...
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Veröffentlicht in: | The Journal of hand surgery (American ed.) 2002-11, Vol.27 (6), p.985-990 |
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Hauptverfasser: | , , |
Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | A study was performed to compare the mechanical properties of two intracarpal ligaments with those of the dorsal component of the scapholunate interosseous ligament (SLIL). Trapezoid-to-second metacarpal, cap itate-to-trapezoid ligaments, and the dorsal part of the SLIL were obtained as bone-ligament-bone grafts from fresh frozen cadavers. Their respective load to failure and stiffness were measured under uniaxial load on a servohydraulic machine and compared. The cap itate-to-trapezoid ligament closely approximated the load to failure and stiffness of the dorsal SLIL, whereas the trapezoid-to-second metacarpal ligament was significantly stronger and stiffer than the dorsal SLIL. These 2 intracarpal bone-ligament-bone grafts share similar mechanical properties with the dorsal component of the scapholunate ligament and might be used clinically to replace it. |
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ISSN: | 0363-5023 1531-6564 |
DOI: | 10.1053/jhsu.2002.36514 |