A safe, effective, sanitary device for draining of urine from a male patient which prevents spillage of the urine while preserving the comfort of the patient. The device is made of an elastomeric material which fits around the penis and leads to an exit tube which in turn leads to a suitable receptacle....http://www.google.es/patents/US4656675?utm_source=gb-gplus-sharePatente US4656675 - Vented urinary drainage device
