ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,527,930, issued on Jan. 20, was assigned to Trudell Medical International Inc. (London, Canada).
"Huff cough simulation device" was invented by Stephen Costella (London, Canada), Robert Morton (London, Canada) and James Schmidt (London, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A respiratory treatment device having an inlet configured to receive exhaled air into the device, an outlet configured to permit exhaled air to exit the device, a valve moveable in response to a threshold exhalation pressure at the inlet between a closed position where the flow of air from the inlet to the outlet is restricted, and an open exhalation position where th...