CONTRACEPTIVE MEMBRANE RING

摘要

This invention relates to a contraceptive membrane ring designed to cover the cervical os which comprises a flexible ring (18) having a top and bottom surface, a sperm impermeable flexible membrane (20) stretched across and attached to the bottom surface of the ring, a disposable flexible insert (22) resting on the sperm impermeable membrane made of an absorbent material having a diameter slightly larger than the inner diameter of the ring and impregnated with a spermicide and a flexible permeable cover (24) positioned over the insert and pressing against the inner circumference of the ring having a diameter approximately equal to the inner diameter of the ring (18).