| 摘要 |
<p>1. Pessary usable in particular for the treatment of cervico-isthmic insufficiency during pregnancy, formed by a substantially trapezoidal shaped plate, defined by two lateral sides (1, 2), a concave front side (3) and a rear side (4) also concave but longer than the front side and having, on the one hand, a circular orifice (7) for receiving the cervix of the uterus and, on the other hand, bores (13, 14, 15) for the flow of the vaginal secretions, characterized in that the two lateral sides are of convex shape.</p> |
