US Patent Issued to DUNAMIS DENTAL on Oct. 21 for "Method of preventing suckback of dental handpiece by bypass injection of driving air and dental handpiece system having bypass injection structure" (South Korean Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,446,998, issued on Oct. 21, was assigned to DUNAMIS DENTAL Co. LTD. (Gwangmyeong-si, South Korea).

"Method of preventing suckback of dental handpiece by bypass injection of driving air and dental handpiece system having bypass injection structure" was invented by Yangsoo Kim (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of preventing suckback of a dental handpiece and a dental handpiece system having a bypass injection structure are capable of effectively blocking a suckback phenomenon that occurs at the moment a rotating impeller stops. The method of preventing suckback includes bypassing air pumped from an air pump in a s...