ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,474, issued on Sept. 1, was assigned to Becton Dickinson and Co. (Franklin Lakes, N.J.).

"Self-contained spring inserter for drug delivery infusion set" was invented by Cole Constantineau (Cambridge, Mass.), Ryan Schoonmaker (Oceanside, Calif.), Azadeh Khanicheh (Wakefield, Mass.), Michel Bruehwiler (Newton, Mass.) and Judy Walish (Boston).

According to the abstract* released by the U.S. Patent & Trademark Office: "An infusion set includes a base (221) and a flexible catheter (242) movable from a first catheter position disposed substantially entirely within the base (221) to a second catheter position in which a free end of the catheter (242) is disposed externally of the base (...