ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,717, issued on Nov. 11, was assigned to MERCURY ENTERPRISES INC. (Clearwater, Fla.).
"Bi-level positive airway pressure device" was invented by Jeffrey B. Ratner (Pinellas Park, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bi-level positive airway pressure device includes a housing that has a patient port for connecting to an airway of a patient. There is a device (e.g., a nozzle) for generating a positive airway pressure that is directed through a conduit towards the patient port. An exhalation detector includes a nozzle emitting a jet of a gas directed across the conduit and directed at a receptor channel when exhalation gases flow from t...