摘要:
A ring for preventing a prolapse of the uterus and the urinary bladder has an annular part and a flexible curved rod-shaped part whose one end and other end are so formed as to be connected to the annular part and whose intermediate portion interposed between the one end and the other end is so formed as to be disposed over a central region of an annular plane formed with the annular part The annular part has an open portion formed by a partial absence thereof.