FIELD: medicine.
SUBSTANCE: contraceptive has elastic resilient enclosure, longitudinal cavities and transversely closed tapes attached to inner surface of enclosure. Longitudinal cavities are connected with one another and with elastic balloon via two-way return valves. Contraceptive is equipped with closed threads arranged lengthwise of enclosure and along closed tapes.
EFFECT: improved erection.
3 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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