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Author

  • Karl-Heinz Gatzweiler (1) (remove)

Keywords

  • Bone sawing (1)
  • training simulator (1)
  • virtual reality (1)

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  • Fachbereich Medizintechnik und Technomathematik (1)
  • IfB - Institut für Bioengineering (1)

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Preliminary bone sawing model for a virtual reality-based training simulator of bilateral sagittal split osteotomy (2014)
Thomas C. Knott ; Raluca E. Sofronia ; Marcus Gerressen ; Yuen Law ; Arjana Davidescu ; George G. Savii ; Karl-Heinz Gatzweiler ; Manfred Staat ; Torsten W. Kuhlen
Successful bone sawing requires a high level of skill and experience, which could be gained by the use of Virtual Reality-based simulators. A key aspect of these medical simulators is realistic force feedback. The aim of this paper is to model the bone sawing process in order to develop a valid training simulator for the bilateral sagittal split osteotomy, the most often applied corrective surgery in case of a malposition of the mandible. Bone samples from a human cadaveric mandible were tested using a designed experimental system. Image processing and statistical analysis were used for the selection of four models for the bone sawing process. The results revealed a polynomial dependency between the material removal rate and the applied force. Differences between the three segments of the osteotomy line and between the cortical and cancellous bone were highlighted.
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