An educational system of VATS for residents of general thoracic surgeons by using personal computer

由于肺动静脉在心囊远端的位置和分支存在很大的个体差异，与这些血管相关的数据对胸外科医生是有用的。方法：我们开发了一种免费软件，可以在上传到个人计算机的CT图像上标记支气管和肺动静脉。结果：利用免费的三维图像分析软件，确定了每个患者肺门区的支气管、肺动、静脉的分布和分支模式，重建了三维图像，实现了重建的支气管和肺动静脉的虚拟重塑和切割。

As the location and branching of pulmonary arteries and veins distal to the cardiac sac exhibit great individual differences, data related to these vessels are useful to thoracic surgeons.Methods : We developed freeware with which bronchi and pulmonary arteries and veins can be marked on images from CT (computer tomogram) that have been uploaded to a personal computer. We then established a system by which 3-dimensional (3D) images can be reconstructed and surgery can be simulated using freeware for 3D image analysis.Results : Using a freeware program for 3D image analysis, distributions and branching patterns of bronchus, pulmonary arteries and veins in the hilar region of each patient were ascertained to reconstruct a 3D image, enabling virtual reshaping and cutting of reconstructed bronchi and pulmonary arteries and veins.