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随机比较了含消炎痛铜宫腔形节育器（药铜器）和对照组含铜宫腔形节育器（宫铜器）各２０５例，观察一年的临床效果。结果显示，两组妊娠率、脱落率、因出血／疼痛取出率、续用率分别为：０．４９和１．５０、１．４９和１．９８、０．９９和２．００、９７．０４和９４．６１／１００妇女；两组比较差异均无显著意义（Ｐ均＞０．０５）。置器后３个月时，宫铜器组副反应发生多于药铜器组；月经血量减少药铜器组明显多于宫铜器组（Ｐ＜０．０１），而点滴出血药铜器组明显少于宫铜器组（Ｐ＜０．０５）。两组各测定１５例置器前后的月经血量，药铜器组置器后较置器前不增加或减少７％～１３％，而宫铜器组置器后增加２３％～２７％。提示药铜器能减少置器后早期出血副反应的发生。
A total of 205 patients with bronchial cavity IUD (medicinal copper bronchitis) containing indomethacin and copper-containing intrauterine devices (bronchus) were compared at random. The clinical effect was observed for one year. The results showed that the two groups of pregnancy rate, shedding rate, due to bleeding / pain removal rate, the renewal rates were: 0.49 and 1.50,1.49 and 1.98,0.99 and 2.00,97. 04 and 94.61 / 100 women respectively. There was no significant difference between the two groups (all P> 0.05). At 3 months after device placement, the side reaction of Gongguji Group occurred more than that of Tongguji device; the quantity of menstrual blood reduced significantly more than that of Gongguji device (P <0.01) Significantly fewer devices than the Palace copper group (P <0.05). The menstrual blood volume was measured before and after treatment of 15 cases in both groups, with no increase or decrease of 7% ~ 13% compared with that of the former before the bronze unit, and 23% ~ 27% of the latter. Tip drug bronze can reduce the occurrence of early side effects of bleeding after placement.