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Claims for Patent: 4,040,417

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Claims for Patent: 4,040,417

Title: Intrauterine device
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)
Application Number:05/424,100
Patent Claims: 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.
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