ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,042, issued on May 12, was assigned to SharpMed LLC (Scottsdale, Ariz.).

"Endotracheal tube relief valve" was invented by Chris Salvino (Scottsdale, Ariz.), Keir Hart (Lafayette, Colo.) and Frederick Austin (Boulder, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A non-ventilator ET tube cap used to oxygenate a patient during an intubation procedure. The ET tube cap generally comprises an oxygen source connector configured to connect to an oxygen source via an oxygen tube. This provides oxygen to a patient via an ET tube while being intubated. The ET tube cap further includes an ET tube receiving aperture that is specifically arranged to engage...