Patent ID: 8512313
Filing Date: 2013-08-20
Classification: A61M,F16K

Abstract:
1. A urinary valve for controlling fluid flow through a flow passage comprising: a tubular valve body comprising an interior surface and an exterior surface, the valve body defining a central longitudinal axis and first and second ends; a tip portion supported on the valve body and located at the second valve body end; a cap member comprising an interior surface and an exterior surface and positioned over the second valve body end for movement in a longitudinal direction parallel to the longitudinal axis; the cap member including an open and a closed end, the closed end comprising an end wall having a seal structure including a seal aperture for receiving the tip portion; the cap member being movable in a first direction toward the first valve body end to position the cap member in a closed position with the tip portion extending through the aperture to prevent fluid flow through the valve body, and the cap member being movable in a second direction away from the first valve body end to position the cap member in an open position with the aperture displaced from the tip portion to permit fluid flow through the valve body; the valve body being formed of a first substantially rigid material; and the cap member being formed of a second elastically flexible material, different from and softer than the first substantially rigid material, wherein the aperture is defined by an inner seal wall that conforms to an outer periphery of the tip portion to effect a low compression set engagement between the inner seal wall and the tip portion; a lip portion formed on the end wall of the cap member adjacent to the seal aperture and comprising an axially inner portion of the inner seal wall; wherein the end wall of the cap member includes an end wall interior surface facing axially toward the open end of the cap member, and the cap member further comprising: