ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,676, issued on May 20, was assigned to Arya Medical Inc. (Menlo Park, Calif.).
"Combined needle and cannula" was invented by John P. Fezza (Osprey, Fla.), Felix Vega (San Francisco), Darrin James Kent (Murrieta, Calif.) and David James Prince (Saint Paul, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device for performing injections in a patient includes a syringe holder with a needle guard, a cannula extending from the syringe holder, a needle slidably disposed over the cannula, and a slider on the syringe holder. The cannula has a blunt tip and a cannula length, and the needle has a sharp tip and a needle length that is shorter than the c...