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发明名称
伸缩型金属节育器
摘要
本实用新型涉及一种伸缩金属节育器,它由不锈钢丝绕制成粗管段与变径后的细管段,细管段端为膨大部。膨大部一旦套叠于粗管段端内后为环形,即可伸缩自如,两端不会脱离。因此节育器周径可随宫腔压力及形态的变化而变化,其周径圆心角度为52°。它置入子宫腔前勿需事先精确测量子宫腔大小(特殊大小及畸形例外),可适应于不同个体和同一个体不同生育时期的子宫腔大小。可代替多种型号的宫内节育器,并能有效地降低副反应。理化性能稳定,易于消毒。
申请公布号
CN2170085Y
申请公布日期
1994.06.29
申请号
CN93238578.8
申请日期
1993.04.26
申请人
曾凡敏
发明人
曾凡敏
分类号
A61F6/14
主分类号
A61F6/14
代理机构
代理人
主权项
1、一种伸缩型金属节育器,可由不锈钢丝绕制而成,其特征在于它由粗螺旋管段(1),经变径后的细螺旋管段(2)及细管段端的膨大部(3)构成,一旦套叠为环形,细段即可在粗段腔内伸缩自如。
地址
610200四川省双流县计划生育服务站
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