ObjectProvided is a medical implant (10) having favorable biocompatibility.Solution to ProblemAn implant (10) used for binding to a biological tissue including bone or teeth, and made of metal selected from titanium or titanium alloys, cobalt chrome alloys, and tantalum, includes a surface layer portion of a portion, which is bound to a biological tissue including bone or teeth, of the implant (10), the surface layer portion having a porous structure. The porous structure includes a trunk hole (32) formed in a thickness direction and including an opening (31) on a binding face (12) side, open holes (30) each constituted of a branch hole (33) formed extending from an inner wall surface of the trunk hole (32) in a direction different from that of the trunk hole (32), an interior space (40) formed in the thickness direction and not including an opening (31) on the binding face (12) side, a tunnel connecting path (50) connecting the open holes (30) and the interior space (40), and a tunnel connecting path (50) connecting the open holes (30).
