ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,445, issued on Aug. 4, was assigned to WILCO AG (Wohlen, Switzerland).

"Method and device for the inspection of a condition of a cannula mounted on a syringe" was invented by Matthias Kahl (Lorrach, Germany) and Christian Stirnimann (Dielsdorf, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for the inspection of a condition, in particular for the detection of defects, of a cannula (or injection needle) mounted on a syringe, which is located under a protective cap, and devices for carrying out such methods. A method includes measuring a magnetic field, in particular a magnetic field distribution, in the vicinity of the cannula. Th...