ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,766,069, issued on Oct. 20, was assigned to EIS GmbH (Bielefeld, Germany).
"Stimulation device" was invented by Florian Witt (Wentorf, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stimulation device is described having a pressure field generating device which has a cavity and a medium influencing arrangement. The stimulation device uses a first check valve arrangement, arranged inside the cavity between the application opening and the medium-influencing arrangement, and is movable at least in sections in the direction of the application opening and away from it and has a first check valve which is designed to close in the direction of the ap...