Kelly, D.J., Blayney, A.W. and Prendergast, P.J. ‘Biomechanics of ossiculoplasty’ in CME Bulletin Otorhinolaryngology Head and Neck Surgery, 7, 2003, pp 64 - 66
CME Bulletin Otorhinolaryngology Head and Neck Surgery 7
Many different designs of prostheses are available for middle ear surgery. Clinical
comparisons of such prostheses are often difficult because of the large number of
variables involved in the clinical outcome; including the skill of the surgeon or patient
variability. In an attempt to compare the performance of four different middle ear
implants (Kurz Bell-Tubingen, Kurz Aerial-Tubingen, Xomed no.0362, Xomed no.
0321), a finite element model of the middle ear before and after ossiculoplasty was
developed, based on a micro CT scan of the ossicles. The response of each prosthesis was
different and could be related in part to the design of the prosthesis or its location within
the middle ear. This study shows how finite element modelling might be used in
optimizing the design of new middle ear prostheses.
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