Vaginal contraceptive shield

Details Vaginal contraceptive shield Vaginal contraceptive shield

1980-05-05

1981-09-01

Rosenbaum, C. Fred

Surgery

Respiratory method or device

Ozone or ion generation

128127, 128270, A61M 700

Patent

active

042865930

ABSTRACT:
A flexible contraceptive vaginal shield having a supporting structure with an outer ring and an internal member which may comprise one or more concentric rings with or without a plurality of ribs connecting the rings said structure bonded to a flexible non-elastomeric film. A spermicide is normally applied to both sides of the film. The bonding of the supporting structure to the film is preferably by heat sealing. Spermicide applied to the ring side of the film is retained within reservoirs formed by the rings, the ribs and the film. In addition there may be reservoirs formed within the supporting structure that release spermicide through the flexing action caused by sexual intercourse.

REFERENCES:
patent: 1819549 (1931-08-01), Fiessler
patent: 2234495 (1941-03-01), Lay
patent: 3845766 (1974-11-01), Zoller
patent: 3995633 (1976-12-01), Gougen
patent: 3995634 (1976-12-01), Drobish
patent: 4155991 (1979-05-01), Schopflin et al.
patent: 4219016 (1980-08-01), Drobish et al.
patent: 4228797 (1980-10-01), Dickey
The Merck Index, 9th Ed. Merck & Co., Inc., 1976, Rahway, N.J. p. 866.

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