A61F 2250/0051

Special features of prostheses classified in groups [CPC: A61F2/00] - [CPC: A61F2/26] or [CPC: A61F2/82] or [CPC: A61F9/00] or [CPC: A61F11/00] or subgroups thereof having different values of a given property or geometrical feature, e.g. mechanical property or material property, at different locations within the same prosthesis differing in tissue ingrowth capacity, e.g. made from both ingrowth-promoting and ingrowth-preventing parts