Bladder stone The use of urinary catheters may cause a bladder stone. Individuals who are paralyzed or are unable to adequately pass urine may require the use of small plastic tubes (catheters) placed into the bladder. The use of these tubes may lead to an infection, which irritates the bladder, resulting in stone formation. Finally, a kidney stone may travel down the ureter into the bladder and become a bladder stone. There is some evidence indicating that chronic irritation of the bladder by retained stones may increase the chance of bladder cancer. Urinary schistosomiasis, a disease caused by the digenean trematode "Schistosoma
Float tube areas otherwise not fishable from the bank. Float tubes are either "U", "V"-shaped, or circular. A standard float tube consists of an inflated bladder inside a sewn cover providing the seat, reserve air compartments, and tackle storage pockets. Many float tube anglers customize their crafts with rod holders, lights, and electronic fish finders. The angler generally wears stocking foot chest waders and scuba diving flippers, so his legs remain dry. Seated in the float tube, he paddles across the water with a gentle movement of the flippers, then remains still over the chosen fishing ground. An alternative to diving flippers