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Intra-uterine contraception device - has arms with top and bottom branches bearing against uterus wall
Intra-uterine contraception device - has arms with top and bottom branches bearing against uterus wall
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机译:子宫内避孕装置-带有上下支的支臂,靠子宫壁
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摘要
The intra-uterine device for contraception and therapeutic purposes, has a part remaining in the uterus and an insertion part. The former has flexible arms with end head. Each arm (1-4) has top and bottom branches bearing against the wall of the uterus and comprising a strip of constant width single or double protrusions (5-9) in the form of supporting columns, allowing contact between branches and uterus wall. The end head can have two front bosses (5) forming a protrusion, and two rear ones (6) holding the insertion part (11).
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