Reverse engineering of pelvic bone for hip joint replacement

Ivan Eugeniev Popov, Spencer Onuh

    Research output: Contribution to journalArticlepeer-review


    Research into fabrication of hip joint replacements combines knowledge from distinct domains, such as engineering, materials and medical fields. Recent computer assisted technologies have played an important role in the medical field. Unlike the modelling of most of the human bones, the creation of an accurate 3D model of a pelvic bone has been a challenging task. The main source of difficulties in this case has proven to be the complexity of the structure of the pelvis, having basically a free-form shape with a hole in
    the middle constituting some over-shadowed areas (undercuts), various cavities, areas with high form curvature, variable wall thickness with some very thin sections and inside layers with different mechanical properties. In this research work, a pelvic bone is generated using reverse engineering, rapid prototyping and rapid tooling techniques. The geometric data obtained from reverse engineering through laser scanning are used and manipulated to create accurate 3D CAD representations of these devices. These CAD models can be used for various virtual tests and simulations, as well as for reproduction through rapid manufacturing processes and then used as prototypes in tooling, physical
    tests and planning of surgical operations.
    Original languageEnglish
    Pages (from-to)454-459
    Number of pages6
    JournalJournal of Medical Engineering & Technology
    Issue number6
    Publication statusPublished - Aug 2009


    • Reverse engineering
    • Rapid manufacturing
    • Medical application


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