ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,402, issued on Dec. 30, was assigned to TERUMO K.K. (Tokyo).
"Catheter assembly" was invented by Shota Yamamoto (Mitaka, Japan) and Shinnosuke Yamashita (Ljubljana, Slovenia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A catheter assembly includes: an inner needle configured to puncture a living body; a catheter configured to allow the inner needle to be inserted therethrough; a catheter hub located at a proximal end of the catheter; a valve body located in an internal space of the catheter hub; an opening member located on a proximal side of the valve body, the opening member comprising: a cylindrical barrel portion, a neck portion extending from...