The product is mainly composed of a hand pump, a rubber catheter and a cup body (mushroom-shaped cup body andbel-shaped cup body). The cup body material is polycarbonate. This product is provided in a sterile state and is suitable for one-time use when the second stage of labor (descending stops) related to the fetal head and pelvis isprolonged.lt is speculated that a fetal head crisis will occur not considered serious) or it is determined based on thesituation of the mother and the fetal head. Obstetrics and gynecology devices that shorten the second stage of labor