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Female surface coating contraceptive

A contraceptive and female technology, applied in the field of medicine, can solve problems such as contraceptives that have not been seen on the surface of women, and achieve the effects of improving permeability and drug utilization, less adverse reactions, and avoiding gastrointestinal reactions.

Inactive Publication Date: 2008-05-21
程定超
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Yet up to now, do not see the contraceptive report of women's surface application

Method used

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  • Female surface coating contraceptive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Get mifepristone 0.5g, hyaluronic acid 0.3g, carbopol (carbomer) 0.5g, laurocaprone 1.8g, methylparaben 0.2g.

[0028] Put mifepristone into an appropriate amount of ethanol solvent and dissolve it for later use; put hyaluronic acid and carbopol (carbomer) into appropriate amount of water and make it swell for later use; take other medicaments and auxiliary materials to dissolve, After dissolving, add the above-mentioned mifepristone solution, hyaluronic acid and carbomer solution, then add purified water to a total amount of 100g, stir evenly, and make a contraceptive for female surface coating. After passing the quality appraisal, you can get .

Embodiment 2

[0030] Get mifepristone liposome 2g, hyaluronic acid 0.8 gram, carbopol (carbomer) 0.2g, laurocaprone 1.5g, methylparaben 0.25g.

[0031] First take lecithin, cholesterol, antioxidant, and use film dispersion method or reverse phase evaporation method to prepare fepristone liposome; put hyaluronic acid and carbopol (carbomer) into appropriate amount of water, make it swell and set aside Get other medicaments and auxiliary materials to dissolve, add mifepristone liposome, add purified water to a total amount of 100g, stir evenly, defoam, and make a contraceptive for female surface coating.

Embodiment 3

[0033] Take enorgestrel acetate (ST_1435) 1g, cetyl alcohol 8g, sodium lauryl sulfate 1g, glycerin 5g, ethylparaben 0.15g, laurocaprone 2g, hyaluronic acid 0.2g, add distilled water to The total amount is 100g.

[0034] Take glycerin, sodium lauryl sulfate, ethylparaben, hyaluronic acid, add distilled water to dissolve, stir well; take sodium lauryl sulfate, cetyl alcohol, and enorgestrel acetate (ST_1435) 1. Laurocaprazine is heated and melted to 85°C, and stirred evenly; the water phase is slowly added to the oil phase, and stirred in the same direction until it condenses to make a contraceptive for female surface coating, which is obtained after passing the appraisal.

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Abstract

The invention relates to a surface coating adopting contraceptive for women, which consists of one or more than one active components such as compound, infiltrating accelerant, and humectant in anti-progestin medicine or progestational hormone medicine and estrogen medicine as well as normal raw materials such as oily component, aqueous component, macromolecule material, surface active agent, bacteriostat, chemical inhibitor and spice and so on. The invention can be made into electuary, emulsion, cream, jellies, spray and liquid cream so as to be used in contraception, urgent contraception, lactation contraception and reproductive health. The contraceptive adopts a method of being coated on the skin or the mucosa surface to reach the aim so as to prevent the first-pass effect and the gastrointestinal tract effect of the oral medicine, thereby reducing the injure to the liver and the kidney, reducing toxic and side effect, providing new preparation, method and route of administration for enlarging the range of the medicine-user, and making the contraception become more simple, convenient, easier and more willing to be accepted.

Description

[0001] Field: [0002] The invention belongs to the technical field of medicine, and relates to a contraceptive for female surface application for family planning and reproductive health. Background technique: [0003] With the continuous development of science and technology, contraceptive methods are also constantly improved, but they still cannot effectively prevent the occurrence of unwanted pregnancy, and the induced abortion rate remains high and has an upward trend. Today, about 900,000 people conceive every day in the world, half of which are unplanned, and one quarter is completely involuntary, so about 150,000 women have to accept induced abortion every day, and there are about 40 million women in the world every year. - 60 million abortions. Nowadays, contraception is a very depressing thing in life for the majority of women of childbearing age. Women need contraception for more than 30 years in their lives, so contraceptive methods and contraceptive drugs have be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K45/00A61K31/57A61K31/575A61P15/18A61K31/565
Inventor 程定超刘先同秦莹刘琰
Owner 程定超
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