Patent ID: 8092434

Claim:
A nasal passage washing device for washing the nasal passages of a user, comprising: a pliable body to hold a nasal passage washing solution, the pliable body including an open top, a flat bottom surface, a front including a central pliable oval section that is concave inward and a pliable circular bulbous member disposed within and directly extending from the central pliable oval section and all of pliable circular bulbous member convex outward from the central pliable oval section at a constant radius of curvature, a rear including a central pliable oval section that is concave inward and a pliable circular bulbous member disposed within and directly extending from the central pliable oval section and all of pliable circular bulbous member convex outward from the central pliable oval section at a constant radius of curvature, the central pliable oval section of the front concave inward in a direction opposite of the concave inward direction of the central pliable oval section of the rear, the pliable circular bulbous member of the front convex outward in a direction opposite of the convex outward direction of the of the pliable circular bulbous member of the rear, the oval concave section including a perimeter and the circular bulbous member including a perimeter, and an upper crescent-shaped section and a lower crescent-shaped section formed in the oval concave section between the perimeter of the oval concave section and the perimeter of the circular bulbous member; and an applicator cap removably attached to the pliable body to cover and uncover the open top, the applicator cap including an applicator tip having a substantially frustoconical configuration sized and shaped for receipt at least partially within a nostril of a user for sealing engagement therewith, the applicator tip including a hole to transfer washing solution there through, a washing solution transfer tube in communication with the hole of the applicator tip and a bottom of an inside of the pliable body to transfer washing solution from the bottom of the inside of the pliable body to the hole of the applicator tip, and at least one one-way air valve that only allows air flow into the pliable body through the one-way air valve, and does not allow air flow and washing solution flow out of the pliable body through the one-way air valve, wherein the applicator cap includes a height and also includes a circumference with indentations spaced at the circumference of the applicator cap, each indentation including a ledge that is parallel to the flat bottom surface of the pliable body, and further wherein at least one of the indentations is an air-return indentation, the air-return indentation being taller than the rest of the indentations but shorter than the applicator cap, and further wherein the one-way air valve is positioned within the ledge of the air-return indentation.