Patent ID: 6200261
Filing Date: 2001-03-13
Classification: A61F,Y10T

Abstract:
A valve adapted for closing a body orifice, the valve comprising:a bulbous tube formed of a flexible material, the bulbous tube having an inlet adapted to be fixed across the body orifice and an outlet adapted to be positioned away from the body orifice;a passage within the bulbous tube for extending from the inlet along an axis therethrough between the inlet and outlet;a wall of the bulbous tube, the wall between the inlet and the outlet, the wall having a barrel shape tapering toward the inlet and the outlet thus the bulbous tube being wider therebetween, the wall between an inside and an outside;a hinge about the bulbous tube, the hinge located in the wall substantially wherein the barrel shape wall defines the passage, the hinge as an area of preferential bending so the bulbous tube is normally flipped with the outlet folded about the hinge into the passage, anda seat within the bulbous tube, the seat located on the inside of the wall and permanently fixed to the inside of the wall, the seat disposed within the passage to engage the outlet when the bulbous tube is flipped into the passage by bending the hinge acutely so the outlet is moved along the axis toward the inlet so the outlet is held against the seat to seal the inlet and close the passage.