US Patent Issued to Aatru Medical on June 2 for "Negative pressure treatment including mechanical and chemical pump" (Ohio, Minnesota Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,906, issued on June 2, was assigned to Aatru Medical LLC (Cleveland).

"Negative pressure treatment including mechanical and chemical pump" was invented by John Buan (Maple Grove, Minn.), Richard L. Middaugh (Rocky River, Ohio), Timothy Wojciechowski (Westlake, Ohio) and Thomas E. Lash (Chardon, Ohio).

According to the abstract* released by the U.S. Patent & Trademark Office: "A negative pressure assembly includes a drape, a sealing element, a reactor, and a mechanical pump assembly. The drape covers a dressing site on a patient and seals against the skin upon application of a vacuum while maintaining a negative pressure underneath the drape. When applied to the skin, the sealing e...