US Patent Issued to Aatru Medical on Aug. 4 for "Negative pressure dressing assembly" (Ohio, Minnesota Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,255, issued on Aug. 4, was assigned to Aatru Medical LLC (Cleveland).

"Negative pressure dressing assembly" was invented by John Buan (Maple Grove, Minn.), Richard L. Middaugh (Rocky River, Ohio), Timothy Wojciechowski (Westlake, Ohio), Thomas E. Lash (Chardon, Ohio) and Edward Armstrong (Chagrin Falls, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A negative pressure dressing assembly includes a drape including an aperture, a cover assembly selectively sealing the aperture in an air-tight manner, a reactor configured to react with a selected gas, and a sealing liner that forms a breakable seal that prevents the reactor from being exposed to th...