Intrauterine contraceptive devices and methods of...

Details Intrauterine contraceptive devices and methods of... Intrauterine contraceptive devices and methods of...

A - Human Necessities

61

F

128/52

A61F 13/20 (2006.01) A61F 6/14 (2006.01)

Patent

CA 1178864

ABSTRACT OF THE DISCLOSURE Disclosed is a novel I.U.D. in the shape of a "T". In one embodiment, a nylon thread has threaded upon it copper sleeves and is disposed in a mold. Injected into the mold and about the thread is polyethylene,which engages the copper sleeves The polyethylene has a lower melting point than the thread. In another embodiment, a copper helix is formed about a length of teflon spaghetti and cut into lengths. The combined spaghetti and helix is disposed into a "T"-shaped mold, and a second plastic,having a lower melting point than the teflon, is injection-molded through the spaghetti so that the spaghetti forms an exoskeleton.

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