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GS-Ⅰ型节育花是一种结构独特的宫内节育器,它的外形象一朵盛开的木棉花,因而取名节育花。其形状不仅有花的美观,更主要的是其构型与子宫腔的形状相适应。置于子宫内,两边张开的花瓣正好顶住子宫腔与输卵管之间的通道,正中的花蕾紧贴子宫腔上端,构成一个与子宫腔密切贴合的整体〔图1〕,它能随子宫腔的收缩而作相应的变形,因而避孕效果良好,脱落率低。此种节育花由广东省妇幼保健院的沈育民教授设计,曾用聚乙烯为原料制成
GS-Ⅰ type of birth control is a unique structure of the IUD, its shape like a blossoming kapok, which named after the birth control flowers. The shape of the flower is not only beautiful, more importantly, its shape and shape of the uterine cavity to adapt. Placed in the womb, both sides of the open petals just to withstand the passage between the uterine cavity and the fallopian tubes, the middle of the flower bud close to the upper end of the uterine cavity to form a close fit with the uterine cavity [1], it can with the uterus Contraction of the cavity and make the appropriate deformation, and thus good contraception, shedding rate is low. This kind of birth control by the Guangdong Provincial Maternal and Child Health Hospital, Professor Shen Yumin design, made of polyethylene as raw materials