a urethral occlusion device having a very malleable , flexible , deformable polymer occlusion band which may be easily wrapped about the exterior of the penis to provide sufficient pressure to prevent urine flow , but without restricting blood circulation . the occlusion band includes a silicone rubber shell with silicone gel liner surfaces which provide a washable , reusable , skin - sensitive bond when wrapped , and allow the band to be tightened to the patient &# 39 ; s desired degree of compression . a plurality of pliant , deformable ribs are positioned on the occlusion band and oriented along the underside of the penis to mildly stretch the urethra to an occluded position . an elastomeric cincture ring may also be added circumscribing the occlusion band to apply additional compressive pressure , the cross - sectional area of each of the three finger - engaging rings being greater than that of the central pressure - exerting ring so that an outward stretching force will deform the central pressure - exerting ring more than the finger - engaging rings .