Development of a variable stiffness external fixation system for stabilization of segmental defects of the tibia

A. F. Tencer, B. Claudi, S. Pearce, R. W. Bucholz, K. D. Johnson

Research output: Contribution to journalArticle

21 Scopus citations

Abstract

The mechanical properties of a variable stiffness external fixation system were explored. Initial testing of a unilateral fixator configuration demonstrated that system rigidity could be increased by maximizing pin separation distance in the fracture component and the number of pins used while minimizing pin separation distance across the fracture site and the sidebar offset distance from bone. A triangulated system composed of half pin frames mounted anteriorly and medially on the tibial aspects and linked by crossbars was devised. Progressive disassembly of the frame was shown to result in progressive decreases in fixator rigidity in all planes.

Original languageEnglish (US)
Pages (from-to)395-404
Number of pages10
JournalJournal of Orthopaedic Research
Volume1
Issue number4
DOIs
StatePublished - 1983

Keywords

  • External fixation
  • Segmental tibial defects
  • Variable stiffness fixation

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

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