| 摘要 |
Disclosed is an intrauterine device contraceptive to avoid pregnancy. The device comprises a vector and contraceptor, said vector consisting of a vertical stem having two horizontal arms, the arm at the end of said vertical stem being longer than the second arm, said vertical stem being twisted by a copper wire having a surface area of above 200 square millimeters. The vertical stem is made from a plastic material, generally polyethylene. The present intrauterine device contraceptive has the advantage of a complete reduction of the expulsion in view of its new particular shape.
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