A - Human Necessities
61
F
128/57
A61F 6/04 (2006.01)
Patent
CA 2037111
ABSTRACT OF THE DISCLOSURE A condom has a body, a sperm cell extending forward from the body and a vertical narrow flat neck between the body and the cell for the sperm to pass through in the cell. the sperm cell has an oval shape, the lower portion larger than the upper portion and the height is longer than the neck so that the sperm entering the cell may stay in the lower portion without few possibility to return through the neck to the body. Besides, a groove is provided at the front bottom of the body, conforming to the male sex organ.
Hwang Ying-Teh
Robic
LandOfFree
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