本文介绍一种坐式产椅,以供产妇取坐式分娩。这种姿势下腹部大血管不受妊娠子宫压迫,子宫胎盘血流量得以改善。胎儿重力与产道方向一致,并能有力的压迫子宫下段与宫颈。因而提高宫缩强度与效率,缩短第二产程,降低阴道难产率。由于改善胎儿在分娩中的血与氧供应,新生儿窒息得以减少。将400例 This article describes a sitting chair for maternity delivery. In this position, the abdominal large blood vessels are not oppressed by the uterus of the pregnancy, and the uteroplacental blood flow can be improved. Fetal gravity and birth canal in the same direction, and can effectively force the lower uterine segment and the cervix. Thus increasing the strength and efficiency of contractions, shorten the second stage of labor, reduce vaginal delivery rate. Neonatal asphyxia can be reduced by improving blood and oxygen supply during childbirth. Will be 400 cases