Four holes 130 are circumferentially spaced about the flange 128 at {HEAD ~ equal angular intervals} for receiving staples, {TAIL ~ sutures} or other suitable fasteners to secure the flange 128 to the external surface of the body wall 
Four holes 130 are circumferentially spaced about the flange 128 at { HEAD ~ equal angular intervals } for receiving staples , { TAIL ~ sutures } or other suitable fasteners to secure the flange 128 to the external surface of the body wall
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH