Virtual haptic system for intuitive planning of bone fixation plate placement

Kup Sze Choi, Beat Schmutz, Xue Jian He, Wing Leung Chan, Michael Schuetz

Research output: Journal article publicationJournal articleAcademic researchpeer-review

2 Citations (Scopus)

Abstract

Fitting of fixation plates on fractured bone can be preoperatively planned and evaluated in 3D virtual environment using virtual reality technology. However, conventional systems usually employ 2D mouse and virtual trackball as the user interface, which makes the process inconvenient and inefficient. In the paper, a preoperative planning system equipped with 3D haptic user interface is proposed to allow users to manipulate the virtual fixation plate intuitively to determine the optimal position for placement on distal medial tibia. The system provides interactive feedback forces and visual guidance based on the geometric requirements. Creation of 3D models from medical imaging data, collision detection, dynamics simulation and haptic rendering are discussed. The system was evaluated by 22 subjects. Results show that the time to achieve optimal placement using the proposed system was shorter than that by using 2D mouse and virtual trackball, and the satisfaction rating was also higher. The system shows potential to facilitate the process of fitting fixation plates on fractured bones as well as interactive fixation plate design.
Original languageEnglish
Pages (from-to)145-153
Number of pages9
JournalInformatics in Medicine Unlocked
Volume9
DOIs
Publication statusPublished - 1 Jan 2017

Keywords

  • Fit assessment
  • Fixation plate
  • Fracture fixation
  • Haptics
  • Orthopaedics
  • Virtual reality

ASJC Scopus subject areas

  • Health Informatics

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