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  • Permeability study of cancellous bone and its idealised structures

    Author(s)
    Syahroma, Ardiyansyah
    Abdul Kadir, Mohammed Rafiq
    Harun, Muhamad Noor
    Oechsner, Andreas
    Griffith University Author(s)
    Oechsner, Andreas
    Year published
    2015
    Metadata
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    Abstract
    Artificial bone is a suitable alternative to autografts and allografts, however their use is still limited. Though there were numerous reports on their structural properties, permeability studies of artificial bones were comparably scarce. This study focused on the development of idealised, structured models of artificial cancellous bone and compared their permeability values with bone surface area and porosity. Cancellous bones from fresh bovine femur were extracted and cleaned following an established protocol. The samples were scanned using micro-computed tomography (μCT) and three-dimensional models of the cancellous ...
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    Artificial bone is a suitable alternative to autografts and allografts, however their use is still limited. Though there were numerous reports on their structural properties, permeability studies of artificial bones were comparably scarce. This study focused on the development of idealised, structured models of artificial cancellous bone and compared their permeability values with bone surface area and porosity. Cancellous bones from fresh bovine femur were extracted and cleaned following an established protocol. The samples were scanned using micro-computed tomography (μCT) and three-dimensional models of the cancellous bones were reconstructed for morphology study. Seven idealised and structured cancellous bone models were then developed and fabricated via rapid prototyping technique. A test-rig was developed and permeability tests were performed on the artificial and real cancellous bones. The results showed a linear correlation between the permeability and the porosity as well as the bone surface area. The plate-like idealised structure showed a similar value of permeability to the real cancellous bones.
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    Journal Title
    Medical Engineering & Physics
    Volume
    37
    Issue
    1
    DOI
    https://doi.org/10.1016/j.medengphy.2014.11.001
    Subject
    Numerical Modelling and Mechanical Characterisation
    Physical Sciences
    Engineering
    Medical and Health Sciences
    Publication URI
    http://hdl.handle.net/10072/171047
    Collection
    • Journal articles

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