Devices and systems for docking a prosthetic valve

A medical implant comprising:

• a frame having a plurality of struts defining a plurality of cells, at least one strut of the plurality of struts having a bore and an eyelet formed therein, the at least one strut having a strut portion between the bore and the eyelet, wherein a portion of a wall of the bore forms a first surface of the strut portion and a portion of the wall of the eyelet forms a second surface of the strut portion, wherein the first and second surfaces are opposite sides of the strut portion;
• and
• a radiopaque marker disposed within the bore, the radiopaque marker having an edge surface with a recessed surface portion and a non-recessed surface portion, the recessed surface portion positioned in opposing relation to the first surface of the strut portion.