PROBLEM TO BE SOLVED: To provide a solitary foramen endoscopic surgical port for easy mounting and fixing to abdominal cavity in a simple structure, which is difficult to be out of alignment and come away, and prevents air leakage from the abdominal cavity.SOLUTION: A solitary foramen endoscopic surgical port includes: an outer tubular member 1 where an opening or a notch is formed at the lower end an inner tubular member 3 capable of engaging with the outer tubular member 1 an elastic member 5 where a protrusion locking piece 6 which is formed between the outer tubular member 1 and the inner tubular member 3 by being curved to the inside toward the lower end and bent outward at the tip side, and which is formed by inserting the inner tubular member 3 to engage and protrude the protrusion locking piece 6 to the opening or the notch 7 formed at the lower end of the outer tubular member 1 and a forceps hole forming body 8 where the forceps 14 is formed at the upper part of the outer tubular member 1.COPYRIGHT: (C)2013,JPO&INPIT【課題】簡単な構成で腹腔への装着固定が容易に行え、ずれ難く、抜け難く、かつ腹腔内からの空気の漏洩を防止することができる単孔式内視鏡手術用ポートを提供することを目的とする。【解決手段】下方端部に開口もしくは切欠きが形成された外筒部材1と、この外筒部材1に嵌合可能な内筒部材3と、前記外筒部材1と内筒部材3との間に、下方端部に向かって内側に湾曲させると共に先端側を外方に屈曲させた突出係止片6が形成され、前記内筒部材3を挿入することによって前記突出係止片6を前記外筒部材1の下方端部に形成された開口もしくは切欠き7に嵌合突出するようにした弾性部材5と、前記外筒部材1の上部に鉗子孔14が形成された鉗子孔形成体8を配設して構成したものである。【選択図】図1
