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International Society For Minimally Invasive Cardiothoracic Surgery

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Training Simulator For Mics Cabg
Shinji Ogawa, Toshiyuki Yamada, Yoshiharu Mori, Yosuke Nakai, Hisao Suda, Akira Mishima.
Nagoya City University, Nagoya, Japan.

Background: Recently, a training of surgical technique is more and more important because of establish a safety and a certainty of surgery, in particular minimally invasive cardiac surgery (MICS). Our new technology, Bio-Texture Modeling, using original 3D printing systems, enabled us to replicate life-like model of organs. We developed the training simulator of MICS CABG via left mini thoracotomy. Method: Collaboration between medicine and engineering allows us to carry out this type of project. Based on DICOM (Digital Imaging and Communication in Medicine) data from MDCT of a patient, 3D CAD (computer-aided design) and 3D printing can be used to accurately create a replica of the heart and thoracic cavity that is very life-like. We focused on ITA harvesting and anastomosis of graft for the CABG. ITA harvesting model has not only vessel model but also panniculus adiposus and pleura and this model is attached behind of the costal backside of thoracic cavity model. Anastomosis of graft model has proximal and distal anastomosis that can be attached partial clamps and stabilizers. Conclusions: New 3D printing techniques facilitated safe surgical training and could help from beginner of conventional methods to less experienced of MICS CABG procedures. This model can give us the real environment of operation and replace virtual simulation and training using animal organs.


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