ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,558,520, issued on Feb. 24, was assigned to MedSource Labs LLC (Chaska, Minn.).
"Intravenous cannula" was invented by Neeraj Gupta (Gurgaon, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses an intravenous cannula that includes a catheter hub and tubular valve member adapted to allow a needle member to pass through. The valve member is defined with slits that allow the needle to pass through. Further, a valve closure member and needle guard assembly are provided, both adapted to close passage for fluid flow and prevent blood flow from the punctured vein of a subject. The needle guard assembly includes a body portion. ...