ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,622, issued on June 2, was assigned to ReDentNova GmbH & Co. KG (Berlin).
"Endodontic driving and operating device" was invented by Zeev Schreiber (Berlin).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a device for driving an endodontic file head of an endodontic device and for operating a remote pump, the device comprising: a gear for the connection with the endodontic file head; a drive shaft for rotating the gear and for rotating at least one magnet; a first cylindrical element surrounding the drive shaft; a rotatable magnet holding means surrounding the first cylindrical element; at least one magnet fixed in the r...