PROBLEM TO BE SOLVED: To provide a preventive instrument of pelvis organ prolapse in which detachment is easily made possible by a patient, and furthermore stress urinary incontinence can be prevented.SOLUTION: An instrument is inserted into a vagina while being shrunken, is held in a predetermined shape capable of being fixed in the vagina while being arranged in the vagina, and thereby prevents prolapse of a pelvis organ. The instrument includes an instrument body constituted of a thin wall material of silicone resin and including a sachet structure where a predetermined shape is held by the encapsulated air, and a bulb part being arranged in the instrument body and capable of feeding and discharging air. The instrument body includes a far side swollen part arranged in the far side of the insertion direction, a near side swollen part arranged in the near side of the insertion direction, a conical surface part formed between the far side swollen part and the near side swollen part and becoming narrower to the near side, and a stepped part formed between the near side swollen part and the near side end of the conical surface part. Multiple recesses are formed in the near side swollen part.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2019,JPO&INPIT【課題】患者自身により容易に着脱が可能あり更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】縮小した状態で膣内に挿入され、膣内に配置された状態で膣内に固定可能な所定形状に保持され、骨盤臓器の脱落を防止する器具である。シリコーン樹脂の薄肉材料で構成され、封入された空気により所定形状が保持される袋構造を備える器具本体と、器具本体に配置され空気を送入、排出できるバルブ部とを備える。器具本体は、挿入方向の奥側に配置される奥側膨出部、挿入方向手前側に配置される手前側膨出部、奥側膨出部及び手前側膨出部の間に形成され手前側に窄まる円錐面部、及び、手前側膨出部と円錐面部の手前側端部との間に形成される段部を備え、手前側膨出部には、複数の凹部が形成されている。【選択図】図１
