文档介绍：3D Reconstruction and Manufacture of puter aided puter aided manufacture
techniques bined with the injection-moulding method.
Real Abdominal Aortic Aneurysms: Silicone rubber forms the basis of the resulting AAA model. As-
sessment of wall thickness and overall percentage difference from
From CT Scan to Silicone the final silicone model to that of puter-generated model
Model was performed. In these realistic AAA models, wall thickness was
found to vary by an average of %. The percentage difference
in wall thickness recorded can be attributed to the contraction of
B. J. Doyle the casting wax and the expansion of the silicone during model
Centre for Applied Biomedical Engineering Research manufacture. This method may be used in conjunction with wall
͑͒ stress studies using the photoelastic method or in fluid dynamic
CABER , studies using a laser-Doppler anemometry. In conclusion, these
and Materials and Surface Science Institute, patient-specific rubber AAA models can be used in experimental
University of Limerick, investigations, but should be assessed for wall thickness variabil-
Limerick, Ireland ity once manufactured. ͓DOI:
L. G. Morris Keywords: abdominal aortic aneurysm (AAA), 3D reconstruction,
silicone
Galway Medical Technology Centre,
Galway Mayo Institute of Technology,
Galway, Ireland Introduction
An abdominal