ALEXANDRIA, Va., June 2 -- United States Patent no. 12,642,944, issued on June 2, was assigned to Becton Dickinson and Co. (Franklin Lakes, N.J.).

"Catheter system having a push button safety device" was invented by Sridhaar Nandakumar (Chennai, India), Prasad Govindaraj (Coimbatore, India), Nandha Krishnan (Coimbatore, India), Mohamed Shafiq (Bangalore, India), Sankaranarayan Thirumoorthy (Madurai, India) and S. Ray Isaacson (Layton, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "A catheter system may include a catheter assembly and a needle assembly. The needle assembly may include a cover disposed over a push button. An inner surface of the cover may include a projection, and the cover may be configu...