ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,229, issued on July 1.
"End cut of endodontic brush" was invented by Arie Becker (Kibbutz Afikim, Israel) and Zvika Gulkarov (Petah Tikva, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "In some embodiments, the distal end of an endodontic brush unevenly (e.g., not along a line perpendicular to the axis of the brush). Optionally, the uneven strands will contact the walls of a channel more evenly and/or will have an increased stirring effect than an evenly cut end may be cut using an abrasive cutter (e.g., a grinding wheel) and/or a laser and/or an electrical discharge machining (EDM) cutter. Optionally, a grinding wheel will rotate opposite the...