A stent system comprising zero or more inner stents inserted into an outer stem. The inner stems and outer stent are separated and/or encapulated by a protein-based material of a protein matrix and/or a set biocoacervate, each comprising one or more biocompatible proteins and one or more biocompatible solvents. The protein-based material may also include one or more carbohydrates and one or more pharmacologically active agents.