PROBLEM TO BE SOLVED: To provide a vascular anastomotic device being applicable to an anastomosis (end-to-side anastomosis) between a side portion of one blood vessel and an end portion of another blood vessel.SOLUTION: A vascular anastomotic device 1 includes: a first component 10 including a pipe-like skeleton part 11 that is insertable into an end portion 51 of a first blood vessel and can be contracted radially inward and expanded radially outward, an arm-like skeleton part 12 that extends from an end portion 11a of the pipe-like skeleton part and can be contracted radially inward and expanded radially outward by rotationally turning about the end portion 11a, a membrane part 13 provided along the pipe-like skeleton part and the arm-like skeleton part and a second component 20 including a contact part 21 capable of coming into contact with a side portion of a second blood vessel, and a hole part 23 that penetrates through the contact part and through which the first blood vessel can pass. At least one of the arm-like skeleton part and the contact part includes a pawl-like part 14 extending toward the other of the arm-like skeleton part and the contact part.SELECTED DRAWING: Figure 6COPYRIGHT: (C)2018,JPO&INPIT【課題】一方の血管の側面部と他の血管の端末部との吻合(端側吻合)に適用可能な血管吻合装置を提供すること。【解決手段】血管吻合装置1は、第1の血管の端末部51に挿入可能であり且つ径方向内側への収縮及び径方向外側への拡張が可能なパイプ状骨格部11と、パイプ状骨格部の端部11aから延び且つ端部11aを中心として回動することによって径方向内側への収縮及び径方向外側への拡張が可能なアーム状骨格部12と、パイプ状骨格部及びアーム状骨格部に沿って設けられる皮膜部13と、を有する第1部品10と、第2の血管の側面部に当接可能な当接部21と、当接部を貫通し且つ第1の血管が通過可能な孔部23と、を有する第2部品20と、を備える。アーム状骨格部及び当接部の少なくとも一方は、アーム状骨格部及び当接部の他方に対して向けて延びる爪状部14を有する。【選択図】図6
