inserter相关论文
目的分析和总结万向椎弓根螺钉在脊柱畸形后路矫正中的矫正方法及矫正效果。方法应用万向椎弓根螺钉治疗各种脊柱畸形17例,术前使......
本文通过对现行宫内节育器及节育器放置器国行标及产品注册标准中对定位块移动阻力项规定的对比分析,提出了该类产品国行标及注册......
介绍了以无缝纯铜管为镶嵌体,用镶嵌法在铸铜件上铸造细孔的方法。...
Evaluation of Insertion with the New Inserter of the Intra-Uterine Device of the Postpartum at the R
Background: In Mali, contraceptive prevalence is low, while the unmet need for family planning is very high. Postpartum ......