< Topic >The clip for the surgery which can do ligation securely is offered.SolutionsTrail section 11,12 of pair has flexibiility, from the basic destal 13 and the basic destal 13 divides into the forks and has made opening and closing possible. As for trail section 11,12 of pair, ligation is done the crevice 22,23 which is formed rod T, in the basic destal 13 approaching of the respective inside surface, 14,16 which opposes when closing the trail section 11,12 of pair in the free edge approaching which leaves from basic destal than crevice 22,23 13, fitting mutually, the said the fit projected part is formed to a state where has opposed with 26 which maintains a state where it is closed and fit crevice 27.< Choice figure >Drawing 1【課題】確実に結紮を行うことができる外科用クリップを提供する。【解決手段】一対の脚部11,12は、可撓性を有し、基端部13と、基端部13から二股に分かれて開閉可能としている。一対の脚部11,12は、対向するそれぞれの内側面14,16の、基端部13寄りに管状体Tを結紮する凹部22,23が形成され、凹部22,23よりも基端部13から離れた自由端寄りに一対の脚部11,12を閉じたときに相互に嵌合して該閉じた状態を維持する嵌合突部26と嵌合凹部27とが対向した状態に形成されている。【選択図】図1