Borcherding, KaiKaiBorcherdingSpecht, UweUweSpechtGrunwald, IngoIngoGrunwaldSalz, DirkDirkSalzIhde, JörgJörgIhde2022-03-082022-03-082017https://publica.fraunhofer.de/handle/publica/311175The invention relates to an implant body comprising a substrate (3) and, on the surface thereof, a layer system consisting of an active substance carrier layer (2) and a release control layer (1) arranged on same, said active substance carrier layer having a plurality of open pores (4), and said release control layer (1) being a layer that is deposited from the gas phase and that reduces the area of the pore opening of the pores (4) of the active substance carrier layer (2) without closing them.de620patent102016204899