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早在公元前1550年埃及PapyrosEbers报告阴道放入带药的塞子避孕。近10年来,人们晓得了口服避孕药和宫内节育器的副作用,所以又重新兴起阴道塞避孕。实验证明;单纯用纤维素、海绵等放入阴道不能起到机械屏障作用,只有杀精子药塞才能奏效。作者介绍了特制的施药器,其结构分为:主筒部分由醋酸丁酸盐纤维素构成,直径18mm,长10cm,内装有直径6cm、厚
As early as 1550 BC, PapyrosEbers of Egypt reported vaginal insertion of corks with contraceptives. The past 10 years, people have learned the side effects of oral contraceptives and IUD, so again vaginal plug contraception. Experiments show that simply using cellulose, sponge into the vagina can not play the role of a mechanical barrier, only the spermicide plug can work. The author introduced a special applicator, the structure is divided into: the main part of the barrel made of cellulose acetate butyrate, diameter 18mm, length 10cm, built with a diameter of 6cm, thickness