Copper Omega


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Open ring devicemade from polypropylene without barium sulphate, with nodules on both ends. 0.30mm dia. copper wire wrapped around device covering 200-300mm(squared) surface area. Nylon or polyethylene threads off ends. This was an experimental design studied between 1969 and 1975. The Copper Omega was made in both a nullipaous and multiparous size.