ALEXANDRIA, Va., June 5 -- United States Patent no. 12,274,839, issued on April 15, was assigned to TERUMO K.K. (Tokyo).
"Catheter assembly" was invented by Masahiro Ishida (Hadano, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A catheter assembly is disclosed, which includes a catheter; a catheter hub fixed to a base end portion of the catheter; an inner needle having a needlepoint, inserted into the catheter; a needle hub coupled to the inner needle; a needle support portion configured to support the inner needle through the catheter on a leading end side beyond the catheter hub, the needle support portion having a pair of support arms openable and closeable in a different direction to an axis of th...