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A computational/experimental platform for investigating three-dimensional puzzle solving of comminuted articular fractures

Author

Listed:
  • Thaddeus P. Thomas
  • Donald D. Anderson
  • Andrew R. Willis
  • Pengcheng Liu
  • Matthew C. Frank
  • J. Lawrence Marsh
  • Thomas D. Brown

Abstract

Reconstructing highly comminuted articular fractures poses a difficult surgical challenge, akin to solving a complicated three-dimensional (3D) puzzle. Preoperative planning using computed tomography (CT) is critically important, given the desirability of less invasive surgical approaches. The goal of this work is to advance 3D puzzle-solving methods towards use as a preoperative tool for reconstructing these complex fractures. A methodology for generating typical fragmentation/dispersal patterns was developed. Five identical replicas of human distal tibia anatomy were machined from blocks of high-density polyetherurethane foam (bone fragmentation surrogate), and were fractured using an instrumented drop tower. Pre- and post-fracture geometries were obtained using laser scans and CT. A semi-automatic virtual reconstruction computer program aligned fragment native (non-fracture) surfaces to a pre-fracture template. The tibiae were precisely reconstructed with alignment accuracies ranging from 0.03 to 0.4 mm. This novel technology has the potential to significantly enhance surgical techniques for reconstructing comminuted intra-articular fractures, as illustrated for a representative clinical case.

Suggested Citation

  • Thaddeus P. Thomas & Donald D. Anderson & Andrew R. Willis & Pengcheng Liu & Matthew C. Frank & J. Lawrence Marsh & Thomas D. Brown, 2011. "A computational/experimental platform for investigating three-dimensional puzzle solving of comminuted articular fractures," Computer Methods in Biomechanics and Biomedical Engineering, Taylor & Francis Journals, vol. 14(03), pages 263-270.
    • Handle: RePEc:taf:gcmbxx:v:14:y:2011:i:03:p:263-270
    DOI: 10.1080/10255841003762042
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