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研制一种新的助产器械～双囊助产器，以提高分娩的安全性。经３个单位１３７例的临床应用，潜伏期时间置囊组较对照组缩短６．７ｈ，宫口开大速度较对照组平均加快２．２５ｃｍ／ｈ，Ｐ值均＜０．０１。活跃期时间置囊组较对照组缩短２．５ｈ，宫口开大速度平均加快２．３２ｃｍ／ｈ，Ｐ值均＜０．０１。置囊后宫口开大速度较置囊前平均加快２．５ｃｍ／ｈ，Ｐ＜０．０１。产后出血发生率、会阴裂伤率、新生儿窒息发生率和产后患病率，置囊组均较对照组明显减少，Ｐ＜０．０５。作者认为双囊助产器是一种安全、疗效可靠、非药物性、对母婴无害的助产器械
Development of a new midwifery device ~ double balloon aiding device to improve the safety of childbirth. The clinical application of 137 cases in 3 units, astigmatism time ascotic group shortened 6.7h compared with the control group, cervix open large speed average faster than the control group 2.25cm / h, P values were <0.01. In the active period, the ascotic group was shortened by 2.5h compared with the control group, and the mean velocity of the cervix was 2.32cm / h, P <0.01. Posterior capsular sac opening faster than the average speed up 2.5cm / h, P <0.01. The incidence of postpartum hemorrhage, perineal laceration, the incidence of neonatal asphyxia and postpartum prevalence were significantly lower in the ascotic group than those in the control group (P <0.05). The author believes that double balloon cessator is a safe, reliable, non-medical, harmless mother to child birth instrument