| 摘要 |
The present invention refers to an intrauterine contraceptive device comprising an active body (2) of a metallic substance of contraceptive activity, carrier means (1) for supporting the active body (2) in an intrauterine environment. The essence of this invention is that the active body (2) is made of at least two metals forming a plurality of galvanic cells in the intrauterine environment. |
