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US 5,494,047 AGranted
Intrauterine contraceptive device
OwnerWillem A. A. Van Osinventor
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OwnerWillem A. A. Van Osinventor
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The invention relates to an intrauterine contraceptive device having at least two flexible arms. The contraceptive device is provided with at least two almost horizontal arms having solid tips. The arms, are provided at the front and back with cavities in longitudinal direction. The central point of the contraceptive device is provided with a flexible thread, surrounded by a device acting as contraceptive. The active device may consist of copper rings, which rings are retained by a holding means located below the thread. Next to copper rings a flexible tube provided with openings may be used, into which an active contraceptive drug, for instance a hormone preparation, is inserted. An important advantage of the contraceptive device according to the invention is the absence of the vertical stem of the IUD. The arms and the central point of the contraceptive device are made from a flexible synthetic material which is tolerated by the uterus, preferably from polyethylene. The thread is also usually made from a synthetic tolerated by the uterus, preferably from nylon.
An intrauterine contraceptive device comprising at least two flexible arms, extending from a central point characterized in that the tips of the flexible arms, which are substantially solid, are massive and directed toward the fundus, whereby the arms from the central point to about the massive tips along the front and back are provided with cavities, while the central point is provided with a flexible thread, surrounded by a means acting as contraceptive, while the thread is provided with a holding device for the means acting as contraceptive.
Dependencies are inferred from the claim text.