Soluble slow release external applied contraceptive

Abstract

The invention discloses an externally-applied soluble slow release contraceptive, which comprises nonoxynol 1.2-2.0 parts, chitosan 10-20 parts, humectant 5-20 parts and water 200-500 parts. The medicament can be released continuously.

Description

technical field [0001] The invention relates to medical hygiene, in particular to a contraceptive for external use. Background technique [0002] The implementation of the basic national policy of family planning has continuously played an important and positive role in improving the quality of our population, improving the level of reproductive health, and improving the overall strength of the nation. In this context, the research and development of related birth control technology and related contraceptives have developed rapidly, and various contraceptives have been launched one after another. For example, the common physical barrier contraceptives for women include vaginal diaphragms and contraceptive cervical caps. Before use, a gynecological examination is required. According to the size of the vagina, an appropriate type of vaginal diaphragm should be selected for trial insertion, and then learn how to put it in and out under the guidance of a doctor until you can ful...

AI Technical Summary

Problems solved by technology

The currently accepted dosage form is mainly nonoxynol film, which is prepared from polyethylene glycol as a matrix. Although the cost is low and the preparation method is simple, it is not completely satisfactory in use, such as: Since the film is thin and easily becomes sticky and deformed when exposed to water, it is required to pull out the finger quickly when placing it, otherwise the film will stick to the finger after encountering the vaginal fluid, and cannot be placed deep in the vagina, resulting in insufficient dosage. cause contraceptive failure

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