Apparatus and method are disclosed for directing urine from an incontinent male patient to a discharge tube. The apparatus comprises a sheath made of a thin, flexible membrane and having a tapered portion and a cylindrical portion. The tapered portion engages the base of the patient's penis and the cylindrical portion is folded over the tapered portion to provide additional sealing force and to extend outwardly to form a surge chamber. According to the disclosed method, the tapered portion is first moved over the glans penis to a position on the base of the penis. The cylindrical portion is then folded over the tapered portion to provide the surge chamber.