PROBLEM TO BE SOLVED: To provide a surgical apparatus capable of suitably moving tissue or an internal organ.SOLUTION: The operating device is equipped with a space structure 20 contractibly and expansibly deformable, capable of supporting the tissue in the body cavity when arranged in the body cavity in an expanded state and capable of being at least temporarilly dwelled in the body, a space structure introducing mechanism capable of inserting the space structure 20 in the body cavity in a contracted state and an endoscope for medical treatment of which the leading end is inserted from the opening part provided to the space structure 20 arranged in the body cavity and oriented to the morbid part present inside the tissue in the body cavity supported by the space structure 20.COPYRIGHT: (C)2010,JPO&INPIT【課題】組織や臓器を好適に移動させることができる手術装置を提供すること。【解決手段】縮小並びに拡張変形可能かつ拡張状態で体腔内に配置されたときに体腔内組織を支持可能でしかも体内に少なくとも一時的に留置可能な空間構造体20と、空間構造体20を縮小させた状態で体腔内に挿入可能な空間構造体導入機構と、体腔内に配置された空間構造体20に設けられた開口部から先端を挿入されて、該先端を空間構造体20によって支持された体腔内組織の内側にある病変部に指向される処置用内視鏡と、を備える。【選択図】図2
