A kind of installation tool (20) and with what by coinciding machine (10,200) install what tubular structure (90) end (220,221) method, the installation tool includes: with what accommodate the instrument (10,200) rigid member (11,13) accommodating portion and the conical section with biggish end and lesser end, the biggish end towards the rigid member (11,13) and the big what of the diameter of the biggish end or wait rigid member described in whats (11,13). The conical section includes that can unclamp part, and the conical section is inserted into being arranged in the elastic component (12) in the tubular structure (90), to expand the diameter of the elastic component, and enable the rigid member (11 that the elastic component passes through the biggish end and housing section is arranged in position what13) on.一種安裝工具(20)和用於將吻合器械(10,200)安裝於管狀結構(90)的端部(220,221)的方法，所述安裝工具包括：用於容納所述器械(10,200)的剛性件(11,13)的容納部分和具有較大的端部和較小的端部的錐體部分，所述較大的端部朝向所述剛性件(11,13)並且該較大的端部的直徑大於或等於所述剛性件(11,13)。所述錐體部分包括可鬆開部分，並且該錐體部分能够插入設置在所述管狀結構(90)內的彈性件(12)中，以擴張該彈性件的直徑，並使所述彈性件經過所述較大的端部而位於能够設置在所述容納部分的剛性件(11,13)上。
