High frequency disposal tool of this invention as for (1), the operation wire (12) which possesses the disposal section (10) which includes the disposal electrode The aforementioned operation wire (12) which is formed with the insulating material, the aforementioned disposal section (10) sudden sinking it makes possible the 1st tube (23) which passes Way possesses the passive electrode (22) in the point, covers the inside perimeter aspect of the aforementioned passive electrode (22) the aforementioned 1st tube (23) the 2nd tube (21) which passes It has, in the aforementioned 1st tube (23) and the aforementioned passive electrode (22), the engagement possible person in charge stopping section (25) and the suffering person in charge stopping section (22C) are formed mutually, the point of the aforementioned 1st tube (23), facing moving on basic edge side of the aforementioned 1st tube (23) vis-a-vis the aforementioned passive electrode (22), is regulated due to the fact that the aforementioned person in charge stopping section (25) and the aforementioned suffering person in charge stopping section (22C) engage.本発明の高周波処置具(1)は、処置電極を含む処置部(10)を有する操作ワイヤ(12)と;絶縁材料で形成され、前記処置部(10)を突没可能にする前記操作ワイヤ(12)が挿通された第1チューブ(23)と;先端に受動電極(22)を有し、前記受動電極(22)の内周面を覆うように前記第1チューブ(23)が挿通された第2チューブ(21)と;を備え、前記第1チューブ(23)と前記受動電極(22)とには、互いに係合可能な係止部(25)及び被係止部(22C)が形成されており、前記係止部(25)と、前記被係止部(22C)とが係合することによって、前記第1チューブ(23)の先端部が、前記受動電極(22)に対して、前記第1チューブ(23)の基端側に相対移動することが規制されている。
