| 摘要 |
<p>1. Contraceptive device adapted to be housed inside the uterine cavity, comprising a stem (1), and two retaining means constituted by two supple side arms (2) (3) which, before the insertion, are symmetrical with respect to the axis of said stem and are situated inside a plane traversing said axis, each arm being firmly connected by one of their ends to the upper part (4) of the stem, characterized in that each of said arms (2) (3) is joined by its second end to a ring member (5) surrounding said stem and capable of sliding along said stem</p> |
