* Safe and effective, easy to locate the flexion point, ensure the safety of the fetus, and reduce the delivery diameter;

* Maternal friendly, lower cesarean section rate, birth canal injury and episiotomy usage rate;

* Wide range of applications, can be used for occipital anterior/occipital transverse/occipital posterior, exit/low/median, VD/CS, and significantly improve the vaginal delivery rate;

*Easy to operate, the intensive design controls the pump, the catheter and the suction cup into one, realizing single-person operation during the operation;

* Shorten the labor process and reduce labor pain.