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Design and Development of an Adaptive Bone Fracture Fixation System

[+] Author Affiliations
Christopher Herbert, Sudesh Sivarasu

University of Cape Town, Cape Town, South Africa

Paper No. DMD2019-3276, pp. V001T06A007; 5 pages
doi:10.1115/DMD2019-3276
From:
  • 2019 Design of Medical Devices Conference
  • 2019 Design of Medical Devices Conference
  • Minneapolis, Minnesota, USA, April 15–18, 2019
  • ISBN: 978-0-7918-4103-7
  • Copyright © 2019 by ASME

abstract

The study aims to design and develop an Adaptive Bone Fracture Fixation System for the purpose of enhancing the control over fracture fixation as well as to permit quick device installation. The external ring fixator was designed to employ the use of bolted-nut hinges and rapid-gradual lengthening longitudinal elements to allow for full assembly expansion and progressive or immediate shape adjustment. The ring fixator was stress tested via direct loading (compression and tension) to determine if it can support the average human body weight [max 3.5 kN]. The study had verified that the device possesses intricate designs that would enhance the functionality of the external ring fixator, however these designs would limit the structural integrity of the bone fracture fixation system.

Copyright © 2019 by ASME

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