intrauterine use of 18-methyl-15ß, 16ß-methylene-19-nor-20-spirox-4-en-3-ones, intrauterine systems containing 18-methyl-15ß, 16ß-methylene-19-nor-20-spirox 4-en-3-ones, as well as their use in contraception and gynecological treatment

摘要

Patent Summary: "intrauterine use of 18-methyl-15ß, 16ß-methylene-19-nor-20-spirox-4-en-3-ones, intrauterine systems containing 18-methyl-15ß, 16ß-methylene-19- nor-20-spirox-4-en-3-ones, as well as their use in contraception and gynecological treatment. " The present invention relates to the intrauterine application of 18-methyl-15ß, 16ß-methylen-19-nor-20-spirox-4-en-3-ones of the general formula (1) (1) in contraception and gynecological therapy. as well as an intrauterine system containing compounds of formula (1).