ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,250, issued on May 20.
"Bidirectional incentive spirometer" was invented by George Reed (Lake Oswego, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A respiratory therapy device that is adapted to matingly, frictionally connect with dimensionally standardized devices and device adaptors, that when combined, allow for respiratory treatments. It monitors the direction of the air and or medicament flow (gases) in the device and can visually report as well as record the number of PEP treatment events or the number of medicament administrations by utilizing at least one bidirectional motion sensor therein. It presents a resettable, visual indicator ...