US 2011319982 A1 abstract the present invention relates to an implant in particular an intraluminal endoprothesis comprising a body containing a metallic material and comprising at least one functional element that is fastened to the body and has a material composition in at least a portion of its volume that differs from the material of the body the material composition preferably including radio opaque and or x ray opaque material to effectively prevent accelerated degradation due to the formation of a local cell of the material of the body and the functional element the at least one functional element includes a first layer at least in the region of its surface where it is bonded to the body the first layer primarily containing at least one metal oxide furthermore the manufacture of an implant of this type is described application_number US 201113164127 A description fig1 shows a section of a body of an implant according to the invention in the form of a medical stent composed of the magnesium alloy we43 that includes a functional element 30 the illustration shows an eyelet 10 that is disposed e g on the distal or proximal end of the body preferably three such eyelets that are offset by 120 u00b0 are formed as components of the body on the hollow cylindrical lattice e g on a strut at the distal and or proximal end of the body of the implant an x.