ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,442, issued on Aug. 4.
"Injection needle having varying caliber" was invented by David Vincent Martini (Douglas, Ga.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An injection needle includes a first needle portion defining a first outer diameter, a second needle portion defining a second outer diameter that is smaller than the first outer diameter, the second needle portion having a tip configured to penetrate a soft tissue. Importantly, the first end of the second needle portion is positioned substantially inside and coupled to an inner surface of the first needle portion adjacent an angled section that is positioned adjacent a distal end of the f...