Computer-assisted orthopedic surgery with real-time biomechanics

M. Armand, R. Armiger, D. Mendat, J. Lepistö, K. Tallroth, S. Mears, S. Belkoff, R. Taylor, R. Murphy, G. Chintalapani, O. Sadowski

Research output: Contribution to journalArticlepeer-review


A joint project was undertaken to develop a system that provided surgeons with better information during orthopedic surgeries. The system tracked the alignment of a patient's hip by using a 3-D infrared camera and calculated the mechanical stress within the joint by using a computational model. The biomedical guidance system (BGS) was to improve decision making during joint surgeries by predicting the underlying mechanical loading of the joint. The system was developed to improve a type of hip realignment known as periacetabular osteotomy (PAO) and the application was to be extended to other areas of computer-assisted orthopedic surgery.

Original languageEnglish (US)
Pages (from-to)214-215
Number of pages2
JournalJohns Hopkins APL Technical Digest (Applied Physics Laboratory)
Issue number3
StatePublished - 2010

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)


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