Patent ID: 7533696
Filing Date: 2009-05-19
Classification: A61M,F16K,Y10T

Abstract:
1. A one-way valve apparatus for use in draining fluid from a patient, comprising: a housing having an inlet end, an outlet end and a valve-receiving chamber therebetween; and an elastomeric valve positioned in said chamber, said valve having an inlet end, an outlet end and a fluid pathway extending therebetween, said elastomeric valve comprising a member selected from the group consisting of polyurethane, polyvinyl chloride, polyester, polyethylene, polyamide, silicone, polyisoprene, or a blend of one or more of the foregoing, said valve comprising first and second initially flat elongated members, said first and second initially flat elongated members being joined along respective longitudinal edges thereof, said valve inlet end engaged with said housing inlet end to comprise an open valve inlet end for receiving said fluid to be drained, said valve outlet end being in a normally closed position and being adapted to partially open to permit drainage of fluid received through said pathway from said inlet end, and to return to said normally closed position upon drainage of said fluid, said valve outlet end communicating with said housing outlet end such that said drained fluid passes from said valve outlet end through said housing outlet end.