The vaginal internal support tool (1) of the present invention comprises an opening / closing part (20) capable of switching operation between an open state in which fluid is allowed to pass and a blocked state in which fluid passage is blocked A bag portion (40) which is inflatable by inflow of fluid and is retractable by outflow of a fluid through the opening / closing portion (20) a bag portion And an insertion guide portion (50) extending along at least a part of the outer surface of the bag portion (40) and guiding the bag portion (40) into the vagina.本発明の膣内部支持具(1)は、流体を通過させる開放状態と流体の通過を遮断する遮断状態との間で切り換え動作可能な開閉部(20)と、開閉部(20)を介した流体の流入によって膨張可能であると共に、開閉部(20)を介した流体の流出によって収縮可能である袋部(40)と、袋部(40)の膣入口側端部から膣奥側端部まで袋部(40)の外表面の少なくとも一部に沿って延び、袋部(40)を膣内に案内する挿入ガイド部(50)とを備えることを特徴とするものである。
