| 摘要 |
<p>PURPOSE:To provide an internal small condom capable of completely preventing the disease infection caused by copulation as well as pregnancy when inserted into a conventional condom for use. CONSTITUTION:An opening end 3 is formed at one end of a bag body 2 made of an extensible thin film material such as rubber, and the diameter of the opening end 3 is made smaller than the inner diameter of the largest portion of the bag body 2. A fastening section 5 having the extension strength larger than that of the other portion is provided near the opening end 3. This internal small condom is formed so that the opening end 3 is located around a phallus main body at the distance within 20mm from the boundary between the glans section of the phallus and the phallus main body when it is fitted to the phallus.</p> |
