An implant for planar connection of tissue to bone is proposed, wherein the implant including a clamping surface and at least three securing members connected to the clamping surface, and wherein the clamping surface comprises an outer edge and an inner edge, wherein the outer edge is connected at least partially to the inner edge at least partially by at least one connecting web, and/or the clamping surface comprises an outer edge and at least one opening arranged within the clamping surface, which opening is connected by at least one connecting web at least to a partial area of the outer edge of the clamping surface.