The fourth generation was characterised by the fact that its object was to obtain materials interacting in-depth with biological systems by regulating a particular biological process, becoming integrated into the body and being degradable and which were able to fight against infection.
La cuarta generación pretende obtener materiales que interactúen en profundidad con los sistemas biológicos mediante la regularización del proceso biológico, integrándose en el organismo y con una capacidad de degradarse y de luchar contra las infecciones.