ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,579, issued on July 14.

"Integrated multimodal colorimetric based aspiration detection and intubation placement verification system and method" was invented by Charles Gilmartin (San Anselmo, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated multimodal colorimetric based aspiration detection and intubation placement verification system for an endotracheal tube and associated method includes a housing configured to be coupled to the endotracheal tube whereby patient exhalation can flow through an internal passage of the housing, and colorimetric based sensors within the housing and configured to come into contact with the patient ex...