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Last Updated: May 7, 2024

Claims for Patent: 4,040,417

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Summary 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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