Objective To evaluate the clinic significance of trans hysteoscopic removal of occult intrauterine contraceptive device.

目的探讨宫腔镜应用于困难取出宫内节育器的临床意义。

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The effects of nylestriol and misoprostol are equal on the extraction of contraceptive device in postmenopausal women. Both drugs are curative and safe.

结论尼尔雌醇与米索前列醇对绝经后妇女取节育环难易影响相当，且安全、成功率明显提高。

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The utility model relates to a T-shaped contraceptive device with a ball head and the placing mould.

球头T型节育器是一种新型医疗器械，专用模具是一种新型非金属材料成型工具。

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