A urine-collecting device comprising a urine-collecting bag having an opening for inserting a penis therethrough, the opening being made on one side surface of the bag and a sheet-like flange formed integrally with the bag at a periphery of the opening; and a film for preventing a back flow of urine...http://www.google.fr/patents/US4838883?utm_source=gb-gplus-shareBrevet US4838883 - Urine-collecting device
