Influence of the connecting rod on the biomechanical properties of five external skeletal fixation configurations

Dwight G. Bronson, J. D. Ross, J. P. Toombs, R. D. Welch

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A recently developed external skeletal fixation system (SK™, IMEX Veterinary, Inc.) utilizes larger diameter connecting rods, therefore overcoming one of the weaknesses of the original Kirschner-Ehmer (KE) system. The purpose of the current study was to compare five typical external fixator constructs in axial compression, torsion, Cranial-Caudal (C-C) and Medial-Lateral (M-L) bending to determine the effect of the larger connecting rods on frame stiffness. The results demonstrate that the larger connecting rod has a significant effect on overall frame stiffness. The use of two or more full-pins, as in the type II and III techniques nullified the contribution of the connecting rod diameter and frame stiffness was more a factor of pin size, number and orientation.

Original languageEnglish (US)
Pages (from-to)82-87
Number of pages6
JournalVeterinary and Comparative Orthopaedics and Traumatology
Volume16
Issue number2
StatePublished - 2003

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External Fixators
Fracture Fixation
pins
methodology

Keywords

  • Biomechanics
  • External fixation
  • Kirschner-Ehmer
  • SK™ connecting rod

ASJC Scopus subject areas

  • Animal Science and Zoology
  • veterinary(all)

Cite this

Influence of the connecting rod on the biomechanical properties of five external skeletal fixation configurations. / Bronson, Dwight G.; Ross, J. D.; Toombs, J. P.; Welch, R. D.

In: Veterinary and Comparative Orthopaedics and Traumatology, Vol. 16, No. 2, 2003, p. 82-87.

Research output: Contribution to journalArticle

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