PMID: 11340556May 8, 2001Paper

An in vitro biomechanical comparison of two interlocking-nail systems for fixation of ostectomized equine third metacarpal bones

Veterinary Surgery : VS
M J LopezM D Markel

Abstract

To compare the mechanical properties of 2 interlocking-nail systems for fixation of ostectomized equine third metacarpi (MC3): (1) a standard interlocking nail with 2 parallel screws proximal and distal to a 1-cm ostectomy; and (2) a modified interlocking nail with 2 screws proximal and distal to a 1-cm ostectomy with the screws offset by 30 degrees. Twelve pairs of adult equine forelimbs intact from the midradius distally. Twelve pairs of equine MC3 were divided into 2 test groups (6 pairs each): torsion and caudocranial 4-point bending. Standard interlocking nails (6-hole, 13-mm diameter, 230-mm length) were placed in 1 randomly selected bone from each pair. Modified interlocking nails (6-hole, 13-mm, 230-mm length, screw holes offset by 30 degrees) were placed in the contralateral bone from each pair. All bones had 1-cm mid-diaphyseal ostectomies. Six construct pairs were tested in caudocranial 4-point bending to determine stiffness and failure properties. The remaining 6 construct pairs were tested in torsion to determine torsional stiffness and yield load. Mean values for each fixation method were compared using a paired t test within each group. Significance was set at P <.05. Mean (+/-SEM) values for the MC3-standard int...Continue Reading

Citations

Jun 15, 2012·Veterinary and Comparative Orthopaedics and Traumatology : V.C.O.T·D D QuinterosM P Kowaleski
Oct 23, 2013·Veterinary and Comparative Orthopaedics and Traumatology : V.C.O.T·S A BhatM B Gugjoo
Jan 6, 2011·Veterinary Surgery : VS·Florien Jenner, Carl Kirker-Head
Jun 23, 2015·The Veterinary Journal·Jörg A Auer, David W Grainger

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