| 摘要 |
Lubricating gel compositions manufactured from water-soluble polymers and distilled water can prevent not only pregnancy but also sexually transmitted diseases(STD) including AIDS due to their roles as physical blocking walls and spermicides. Colloidal silver, which has germicidal effects in a wide range, can be added to these compositions. These lubricating gel compositions, which are harmless and non-irritating to the male urethra, can be called "Urethral Condoms" because they act like condoms when injected into male urethras, and are easily eliminated from urethras by urination. They can also be called "Liquid Femidoms" because they act like femidoms when injected into vaginas, and are easily eliminated from viginas by vaginal irrigators of this invention.
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