A new measuring fixator design for humeral supracondylar corrective osteotomies in children

Shuo Suei Hung, Ming Yih Lee*, Chin Hsiung Hsu, Wen Da Tzai, Zhon Liao Lee

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

Abstract

Treatment for bone deformities secondary to malunited fractures usually require corrective osteotomies, and high incidence of surgical failure rates have been reported. Inaccurate corrections and loss of reductions are among the most common causes, and these technical errors ought to be improved[1-2]. A new measuring fixator for humeral supracondylar corrective osteotomies in children was designed and used in clinical application. Several surgical trials were performed in vitro using rapid prototype models to stimulate different bony deformities. Two boys who had sustained cubitus varus following malunited humeral supracondylar fracture were performed using proposed measuring fixator. The result of the clinical trial show that the angle of correction was accurate, and the procedure could be carried out by the surgeon himself without additional help, with an average of 1.3 penetration of the physis per each fixating Kirschner wire (8 times in 6 K-wires). The surgical time was reduced, as well as the radiation exposure.

Original languageEnglish
Pages (from-to)27-31
Number of pages5
JournalBiomedical Engineering - Applications, Basis and Communications
Volume15
Issue number1
DOIs
StatePublished - 25 02 2003

Keywords

  • Measuring fixator
  • Supracondylar corrective osteotomy
  • Surgical tool

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