熱帶套曲（多虧了安吉爾·馬吉奧）

15.Trocaire是一種手術(shù)工具，旨在通過(guò)保護(hù)性組織進(jìn)入人體腔，并在操作過(guò)程中保持其密封性。經(jīng)典的人行道是一個(gè)半管，插入特殊風(fēng)格的trocar是一個(gè)medical device that is made up of an obturator）which may be a metal or plastic sharpened or non-bladed tip，a cannula）basically a hollow tubeand a seal.Troca are placed through the abdomen during laparoscopic surgery.The trocar function as a portal for the subsequent placement of other itruments，such as graspe，scisso，staple，etc.model.can be printed on a 3d printer