Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1986-05-19
1987-09-08
Rosenbaum, C. Fred
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604286, A61M 3100
Patent
active
046921435
ABSTRACT:
A premoistened ready-for-use vaginal contraceptive device and method of use thereof are described wherein a porous polyurethane sponge is provided which is impregnated with a bacteria-free sterile spermicide, pectin and pH control and swelling agent aqueous solution enclosed within and readily removable from a sealed packet and wherein the premoistened polyurethane sponge with its absorbed components when removed from the packet is immediately inserted in position and is ready for contraceptive use. After one or more coital episodes the sponge is removed, its effective life being up to about 24 hours. The spermicide is present in a maximum of 8% and the pectin constitutes about 5%, both percentages being based on the weight of the solution.
REFERENCES:
patent: 3490545 (1970-01-01), Goldfarb et al.
patent: 3639566 (1972-02-01), Naito et al.
patent: 3949752 (1976-04-01), Van Stee
patent: 4228797 (1980-10-01), Dickey
patent: 4351338 (1982-09-01), Langlois et al.
patent: 4393871 (1983-07-01), Vorhauer et al.
Rosenbaum C. Fred
Vinyard Sherri
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