Cuenoud, MathieuBourban, Pierre-etienneManson, Jan-anders Edvin2017-05-242017-05-242017-05-242014https://infoscience.epfl.ch/handle/20.500.14299/137606A biocompatible multi-layered structure comprising a first foam layer showing a first degree of porosity and a second foam layer showing a second degree of porosity, both foam layers being attached to one another through an interface, wherein said interface is obtained from at least one of said foam layers and has a degree of porosity which is less than the degree of porosity of any of said foam layers.patentWO201404151649626998