Tampong for medisinske eller hygieniske formål samt fremgangsmåte for fremstilling derav

摘要

A multilayer tampon in the form of a rod for medical or hygienic purposes is described and has the following features: … …  a tampon core (2) of compressed fibrous material; …  a tampon sheath (3) of hardened collagen or gelatin foam impregnated with active substances, …  a recovery thread (4), …  where appropriate an outer coating of lubricant (6). … …The active substances in the tampon sheath can also be mixed with a retarding agent. It is possible in this way to release the active substance in small doses over a long period of time. ……