Refers to a system for the Administration of Drugs that includes: a) a Nucleus that contains one or more Therapeutically active substances (b) a Membrane enclosing the Core and (c) an intermediate layer of an Inert material such as silica, fumed and Precipitated Silica and TALC, which is not Ta covalently attached to the core material or membrane.This system is vaginal Administration, intrauterine intracervical, among others, being useful for controlled release of Therapeutic substancesSE REFIERE A UN SISTEMA PARA LA ADMINISTRACION DE FARMACOS QUE COMPRENDE: A) UN NUCLEO QUE CONTIENE UNA O MAS SUSTANCIAS TERAPEUTICAMENTE ACTIVAS B) UNA MEMBRANA ENCERRANDO EL NUCLEO Y C) UNA CAPA INTERMEDIA DE UN MATERIAL INERTE TAL COMO SILICE, SILICES PIROGENA Y PRECIPITADA, Y TALCO, QUE NO ESTA UNIDO COVALENTEMENTE AL MATERIAL DEL NUCLEO O A LA MEMBRANA. DICHO SISTEMA ES DE ADMINISTRACION VAGINAL, INTRAUTERINO, INTRACERVICAL, ENTRE OTROS, SIENDO UTIL PARA LA LIBERACION CONTROLADA DE SUSTANCIAS TERAPEUTICAS
