|Abstract:||An intrauterine device including a contraceptively effective amount of non-toxic copper or zinc compound. The device is adapted to be inserted into the uterine cavity for a prolonged period of time.|
|Inventor(s):||Zipper; Jaime A. (Santiago, CE)|
|Assignee:||G. D. Searle & Co. (Chicago, IL)|
1. An intrauterine device adaptable to insertion in the uterine cavity and capable of being retained therein for a prolonged period of time, said device including a
contraceptively effective amount of a non-toxic copper or zinc compound.
2. A device as in claim 1 wherein said compound is a copper oxide or a non-toxic copper salt.
3. A device as in claim 2 wherein said oxide or salt is present in the uterus in an amount providing from about 2 .mu.g to about 2 mg of soluble copper per day.