PROBLEM TO BE SOLVED: To provide a preventive device for pelvic organ prolapse, which is lightweight, easy to manufacture, can be easily attached and detached by a patient himself, and can prevent stress urinary incontinence. SOLUTION: This is a preventive device for pelvic organ prolapse that is inserted into the vagina and expanded and fixed inside, and is integrally formed of a flexible material and has a disc-shaped opening at the center when inserted into the body. The base, the peripheral edge formed on the outer peripheral edge of the base, the urethral side rising wall formed by rising from one side of the peripheral edge across the opening, and the urethral side rising wall having a recess for securing the urethra, and the opening of the peripheral edge. It is provided with a rectal side rising wall portion which is formed to rise from the other side sandwiching the above surface and has a flat portion for securing the rectum. [Selection diagram] Fig. 1【課題】軽量かつ製造が容易であり、患者自身により容易に着脱が可能、さらに腹圧性尿失禁を予防することができる骨盤臓器脱の予防器具を提供する。【解決手段】膣内に挿入して内部で拡開して固定する骨盤臓器脱の予防器具であって、柔軟な素材で一体に形成され、体内挿入時に中央に開口を備えた円板状の基部と、基部の外周縁に形成された周縁部と、周縁部のうち開口を挟んだ一方側から立上がり形成され、尿道確保用凹部を備えた尿道側立上壁部と、周縁部のうち開口を挟んだ他方側から立上がり形成され、直腸確保用平面部を備えた直腸側立上壁部とを備える。【選択図】図１
