Intra-uterine contraceptive device

DETAILED DESCRIPTION It is, therefore, an object of the present invention to provide an improved and novel I.
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device, which has superior physiological characteristics despite its easy manufacturing and can be inserted into the uterus relatively easily and which does not interfere with the normal physiological processes, such as the menstrual flow, of the female body and which is capable of resisting expulsionary forces of the uterus.
It is another object of the present invention to provide an improved and novel I.
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device of the above described type which due to its shaping will contact the inner walls of the uterus at a plurality of regions in a resilient manner instead of presenting a large homogeneous surface pressing against the inside of the uterus.
It is still another object of the present invention to provide an improved and novel I.
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device of the above type which under the expulsionary forces of the fundus will undergo a change of its shape but it still retains its basic shape having a configuration the smallest dimension of which is still much larger than the opening of the cervix, such change in shape taking place without offering any long straight or hard small surfaces to contact the walls of the uterus.
Briefly, in accordance with the present invention, there is provided a novel I.
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having a resilient continuous base ring onto which a jelly-like synthetic material is molded having a plurality of bead-like protrusions.