Surgery – Truss – Pad
Patent
1986-05-20
1988-05-10
Johnson, Richard J.
Surgery
Truss
Pad
604 55, A61F 546
Patent
active
047428201
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a device for introducing a diaphragm into a vagina, as well as for placing it in front of the womb. More particularly, the invention relates to a device having a hollow insertion rod with a longitudinally slotted, open insertion end to which a diaphragm can be detachably fixed which is arranged in a piston displaceable relative to the insertion rod.
2. Description of the Prior Art
As is known, a diaphragm constitutes a contraceptive means, which is inserted in the vagina and positioned in such a way that it seals it off from the womb. As a result the male spermatozoa cannot enter the oviduct, so that fertilization cannot take place. In addition to this mechanical protection, a spermicidal cream, foam or gel is used, which renders the male spermatozoa infertile within a very short time. The conventional diaphragm, in both the stocked state and in the fitted state, is circular and geometrically spherically segmental in plan view and comprises an elastic membrane reinforced in bead-like manner on the edge portion. For insertion purposes, the diaphragm is deformed by lateral compression of the bead at two facing points. This automatically forms two pockets. The automatically formed pockets (and optionally the bead-like edge) then are filled or coated with spermicidal agent such as spermicidal cream or the like.
Although this contraceptive device and method has been known for many years, it has not been as widely used as might have been expected. This is particularly due to the fact that difficulties are encountered in inserting a diaphragm unless aids are used. Furthermore, the coating or partial filling with spermicidal cream or the like leads to both the fingers and the vagina becoming smeared with the spermicidal agent, which is considered to be unpleasant and/or disturbing.
To facilitate the introduction of a diaphragm, an insertion rod has been developed and is known, which is provided at its one end with a slight notch onto which a diaphragm can be fixed prior to introduction and placement in the vagina. For the purpose of this fixing, several additional notches are provided in the central region of the known insertion rod to accommodate different diaphragm sizes. The opposite portion of the bead-like edge can be fixed to one of these notches in the central region of the insertion rod in such a way as was described hereinbefore in connection with manual insertion. In the case of the conventional insertion rod, the diaphragm is taken into the hand in such a way that its curvature points outward and is laterally compressed in the aforementioned manner. Following fixing at the insertion end and in the central portion of the insertion rod, the two aforementioned pockets described in conjunction with manual insertion are formed and filled with the spermicidal agent. It is also recommended that the bead-like edge be coated with cream or the like, in order to improve slidability during insertion.
For insertion and positioning the diaphragm, the insertion rod with the fixed and correspondingly prepared diaphragm is inserted and moved tightly along the lower vagina base up to and behind the opening and is then turned to the side to detach the diaphragm from the insertion rod. This permits the insertion rod to be removed from the vagina. The front edge of the diaphragm is then forced upwards with a finger in such a way that it is positioned behind the pubic bone, where its location is such that it completely covers the opening.
It is readily apparent that, with the conventional insertion rod as the insertion aid, the reservations against this extremely reliable and acceptable contraceptive means cannot be eliminated because the complete handling procedure is still very complicated and because large numbers of potential users object to it. Furthermore, even during the use of this insertion rod, it is not possible to prevent a considerable portion of the spermicidal agent from reaching points where it is not necessary and considered unpl
REFERENCES:
patent: 2141040 (1938-12-01), Holt
patent: 3918452 (1975-11-01), Cornfeld
patent: 4398532 (1983-08-01), Sweeney, III
patent: 4428370 (1984-01-01), Keely
patent: 4543086 (1985-09-01), Johnson
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