ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,533,481, issued on Jan. 27, was assigned to SharpMed LLC (Scottsdale, Ariz.).

"Nasal cannula shield" was invented by Chris Salvino (Scottsdale, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described herein are embodiments directed to embodiments of a nasal cannula assembly that generally comprises a pair of hollow cannula posts that extend from a center cylinder. Oxygen is pressurized to flow into the center cylinder and out through outlet ports in the terminating ends of the cannula posts. A pair of nasal shields are fixedly attached to the cannula posts. The nasal shields have an outward facing convex curved outer surface that can be flush wit...