An introducer sheath includes a flexible body having a proximal end and a distal end, the flexible body having a wall defining a central lumen extending from the proximal end to the distal end, a plurality of perfusion holes formed in the flexible body and spaced apart from one another, each of the plurality of perfusion holes being in communication with the central lumen of the flexible body, and a marker located on an outer surface of the wall closer to the proximal end of the flexible body than the plurality of perfusion holes.