Disposable female contraceptive

Details Disposable female contraceptive Disposable female contraceptive

1979-05-14

1981-11-17

Rosenbaum, C. Fred

Surgery

Truss

Pad

A61F 546

Patent

active

043005446

ABSTRACT:
Disclosed is a disposable contraceptive in which a first member engages the vaginal vault and a second member, secured to the first member, engages and closes the cervical opening. The first and second members are substantially discoid, with the second member smaller in discoid area than the first. The second member is a generally impermeable sponge-like material which is lubricated to aid in adhesion and closure of the cervix. The first member is generally resiliently closable so that the overall dimension of the contraceptive may be reduced in size for insertion into the vaginal vault. The first member is defined at least by opposed anterior and posterior portions which engage the respective anterior and posterior portions of the vaginal vault. The second member is coupled or joined to the first member at the posterior portion.
In one embodiment, the second member is a sponge joined to a film. The film is held in position to define the first discoid member surface by a rim.
In other embodiments, the first and second members are resiliently joined at the posterior portion so as to urge the second member into positive engagement with the cervix. Thus, a finite resilient nylon filament is bent into a figure 8 and covered with a soft, yieldable, foam plastic covering. By folding at the intersection of the upper and lower loops, the contraceptive is formed. In another example, a liner of resilient plastic in the shape of conjoined circles is covered by a soft, flexible, plastic envelope. In yet another example, an annular discontinuous rim is covered by a foam plastic. The rim has an integrally formed tongue extending therein and about, to which may be secured (by any well known means) a sponge-like impermeable plastic second member.

REFERENCES:
patent: 3128767 (1964-04-01), Nolan
patent: 3216422 (1965-11-01), Steiger et al.
patent: 3952737 (1976-04-01), Liffert et al.
patent: 3983874 (1976-10-01), Davis et al.

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