Armillotta, A; Bonhoeffer, P; Dubini, G; Ferragina, S; Migliavacca, F; Sala, G; Schievano, S; (2007) Use of rapid prototyping models in the planning of percutaneous pulmonary valved stent implantation. P I MECH ENG H , 221 (H4) 407 - 416. 10.1243/09544119JEIM83.
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Percutaneous replacement of the pulmonary valve is a recently developed interventional technique which involves the implantation of a valved stent in the pulmonary trunk. It relies upon careful consideration of patient anatomy for both stent design and detailed procedure planning. Medical imaging data in the form of two-dimensional scans and three-dimensional interactive graphics offer only limited support for these tasks. The paper reports the results of an experimental investigation on the use of arterial models built by rapid proto-typing techniques. An analysis of clinical needs has helped to specify proper requirements for such model properties as cost, strength, accuracy, elastic compliance, and optical transparency. Two different process chains, based on the fused deposition modelling technique and on the vacuum casting of thermoset resins in rubber moulds, have been tested for prototype fabrication. The use of anatomical models has allowed the cardiologist's confidence in patient selection, prosthesis fabrication, and final implantation to be significantly improved.
|Title:||Use of rapid prototyping models in the planning of percutaneous pulmonary valved stent implantation|
|Keywords:||vascular models, rapid prototyping, fused deposition modelling, vacuum, casting, stent implantation, FOLLOW-UP, TOTAL REPAIR, REPLACEMENT, LIFE, RECONSTRUCTION, CONSTRUCTION, TETRALOGY, FALLOT, LUMEN|
|UCL classification:||UCL > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Cardiovascular Science|
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