Extensive commissural tears in the region of the isthmus accompanied by incompetence of the cervix can be easily and successfully treated by an original procedure carried out through the vagina. The technique uses at the same time the general ideas and advantages of the freshening of the surfaces technique uses at the same time the general ideas and advantages of the freshening of the surfaces technique of Emmet, the repair of the isthmus technique of Lash and of Palmer and Shirodkar's cerclage technique for stitching the isthmus of the uterus.