| 摘要 |
PURPOSE: A protrusion type condom is provided to lead more comfortable and preferable conjugal relation of man and wife by adopting annular ring type protrusion made of sponge having a cut-off tip without a concern for damage and/or release of the condom. CONSTITUTION: The condom comprises a protrusion part in a mushroom shape having upper part and lower part separately. The protrusion part is formed of outer skin made of common material and sponge inserted into the outer skin, and has a cut-off tip(8) to prevent tightening of penis while preventing damage of the condom and/or being released from the penis.
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