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Morphology of the radial head: a reverse engineering-based evaluation using three-dimensional anatomical data of radial bone

Author(s):

B. Mahaisavariya, B. Sae-kee, K. Sitthiseripratip, P. Oris, T. Tongdee, E. Bohez, J. Vander Sloten
Conference/Journal:

Institution of Mechanical Engineering Part H, vol. 218, no. 1, pp. 79-84, Journal of Engineering in Medicine
Abstract:

The proximal part of the radius has a complex shape and dimension that cannot be precisely determined by standard roentgenogram for real three-dimensional anatomical shape which is important for prosthesis design. This study presents a method by which computer tomography (CT ) images are combined with the reverse engineering technique to obtain and analyse the three dimensional inner and outer geometry of the proximal radius. The three-dimensional models were reconstructed from CT images obtained from 40 radial bones and approximated with two- and threedimensional fitting algorithms based on reverse engineering methods. The mean total length of the radius was 240.0 mm [standard deviation (SD)=17.3]. The radial head in this study is more likely to be circular with an average diameter of 20.5 mm (SD=1.9). The outer diameter of the radial neck averages 14.7 mm (SD=1.0). The thickness of the radial head averages 12.9 mm (SD=1.4). The intramedullary canal diameter of the radial neck averages 7.4 mm (SD=1.4). The depth of the fossa at the articular surface averages 1.5 mm (SD=0.4).

Year:

2004
Type of Publication:

(01)Article
Supervisor:



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% Autogenerated BibTeX entry
@Article { MahEtal:2004:IFA_464,
    author={B. Mahaisavariya and B. Sae-kee and K. Sitthiseripratip and P. Oris and T. Tongdee and E. Bohez and J. Vander Sloten},
    title={{Morphology of the radial head: a reverse engineering-based
	  evaluation using three-dimensional anatomical data of
	  radial bone}},
    journal={Institution of Mechanical Engineering Part H},
    year={2004},
    volume={218},
    number={1},
    pages={79--84},
    month=jan,
    url={http://control.ee.ethz.ch/index.cgi?page=publications;action=details;id=464}
}
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