Intravaginal ring

Details Intravaginal ring Intravaginal ring

1978-12-29

1981-10-06

Michell, Robert W.

Surgery

Respiratory method or device

Ozone or ion generation

128127, 424 22, 427 2, 427413, A61M 700

Patent

active

042929652

ABSTRACT:
This invention relates to an improved intravaginal ring for use as a contraceptive comprising an inert elastomer core, a medicated layer encircling the core and an outer inert elastomer layer and method of manufacturing the intravaginal ring.

REFERENCES:
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patent: 3832252 (1974-08-01), Higuchi et al.
patent: 3920805 (1975-11-01), Roseman
patent: 4012496 (1977-03-01), Schopflin et al.
patent: 4012497 (1977-03-01), Schopflin et al.
patent: 4096239 (1978-06-01), Katz et al.
patent: 4155991 (1979-05-01), Schopflin et al.
Am. J. Obstet. Gynecol., Jan. 1, 1978, Mishell et al., pp. 55-62.
Am. J. Obstet. Gynecol., May 1, 1970, Mishell et al., pp. 100-107 .
Contraception, vol. 12, No. 3, 9-1975, pp. 261-278, Victor et al.
Acta Obstet. Gynecol. Scand. Supply 54, 4-1976, Weiner et al., pp. 35-43.
Contraception, vol. 16, No. 2, Aug. 1977, Victor et al., pp. 137-147.
Contraception, vol. 14, No. 2, Aug. 1976, Victor et al., pp. 215-226.
Am. J. Obstet. Gynecol., vol. 117, No. 1, Sep. 1973, Henzl et al., pp. 101-106.
Fertility and Sterility, vol. 28, No. 8, Aug. 1977, Kragt et al., pp. 856-862.
Jour. Pharm. Sci., vol. 63, No. 4, Apr. 1974, Flynn et al., pp. 479-510.

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