Multiphase biomaterials based on bacterial synthesized nanocellulose (BNC), composed of at least two different networks of bacterial cellulose, characterized in that the at least two different networks of bacterial cellulose are configured as a combined homogeneous phase system (1) or as a system of phases in the form of layers, composed of at least one combined homogeneous phase (1) as well as at least one individual phase (2, 3).Biomateriales multifásicos a base de nanocelulosa sintetizada por bacterias (BNC), compuestos de al menos dos redes diferentes de celulosa bacteriana, caracterizados por que las al menos dos redes diferentes de celulosa bacteriana están configuradas como sistema de fases homogéneo combinado (1) o como sistema de fases en forma de capas, compuesto de al menos una fase homogénea combinada (1) así como al menos una fase individual (2, 3).